Articles & Research

“In the ripples of study and reflection, we glimpse the vast ocean of understanding”

Human nervous systems do not operate in isolation. When people are near each other, their bodies continuously respond and adjust to one another through subtle signals such as facial expressions, tone of voice, breathing rhythm, posture, emotional cues, and other sensory information we may not consciously notice. Scientists refer to this natural process as co-regulation, meaning that our nervous systems help each other feel calm, safe, alert, or sometimes stressed. Research shows that during close interaction between a parent and child, body rhythms can begin to synchronise. For example, heart rhythms, breathing patterns, brain activity, and stress responses can influence each other. This is particularly important for children who are autistic, beyond-verbal, or highly sensory-sensitive, as they may rely more on these body-based signals, such as emotional tone, rhythm, pacing, and environmental cues, rather than spoken language to understand what is happening around them. The research findings below explore how scientists have measured these forms of biological connection and what they mean for supporting children’s nervous systems.

Nervous System Regulation and Co-Regulation in Autism

  • Understanding the child’s nervous system in simple terms

    1. The basic idea

    Dr Stephen Porges developed something called Polyvagal Theory. The theory explains how our nervous system constantly scans the world for safety or danger. This happens automatically, we are not thinking about it.

    Our body is simply asking:

    “Am I safe right now?”

    The answer to that question changes how the body and brain respond.

    2. The body has three main response states

    According to Polyvagal Theory, the nervous system moves between three main states.

    Safe and Connected (Ventral Vagal)

    When the nervous system feels safe:

    • we can communicate

    • we make eye contact

    • we feel curious

    • we can learn and play

    • our body is calm but alert

    This is the state where children grow and explore best.

    Fight or Flight (Sympathetic)

    If the nervous system senses danger, it shifts into protection.

    The body may respond with:

    • Anxiety

    • Restlessness

    • Anger

    • Running away

    • Sensory overload

    • Difficulty listening

    The body is trying to protect itself, not misbehave.

    Shutdown (Dorsal Vagal)

    If the nervous system feels overwhelmed and cannot escape danger, it may shut down.

    Children might appear:

    • Withdrawn

    • Quiet

    • Frozen

    • Exhausted

    • Unresponsive

    This is also a protection response.

    3. Why relationships matter so much

    One of the most important ideas in Polyvagal Theory is this: Our nervous systems calm each other. Children borrow safety from the nervous systems of the adults around them.

    Things that signal safety include:

    • A calm voice

    • Gentle facial expressions

    • Predictable behaviour

    • Slow breathing

    • A regulated adult presence

    When a child senses safety, their nervous system can move back into the safe and connected state.

    4. Why this matters for autistic or sensory-sensitive children

    Some children have nervous systems that detect danger very quickly. This can make the world feel overwhelming. They may move into fight, flight, or shutdown more easily because their nervous system is working hard to stay safe.

    Understanding this changes how we see behaviour.

    Instead of asking: “What is wrong with this child?”

    Polyvagal theory encourages us to ask: “What is this child’s nervous system experiencing right now?”

    5. What parents can take from this

    Parents do not need to become neuroscientists.

    The key takeaway is simple:

    Children feel safe when the adults around them are regulated and predictable.

    Sometimes the most powerful support is not a strategy or technique. It is a calm, steady nervous system beside them.

    Source

    Stephen Porges – Polyvagal Theory
    https://www.polyvagalinstitute.org

  • Research by Ruth Feldman (2012)

    1. The basic idea

    Research by developmental neuroscientist Ruth Feldman shows that when parents and children spend time together, their bodies begin to synchronise with each other.

    Scientists call this biological synchrony.

    This means that during close interaction, the parent and child can begin to share similar rhythms in things like:

    • Heart rate

    • Hormone levels

    • Emotional states

    • Attention and focus

    Their bodies are essentially tuning to each other.

    2. What researchers actually observed

    In her 2012 research, Feldman studied parents and infants during normal interaction such as:

    • Playing

    • Talking

    • Making eye contact

    • Holding the child

    She found that during warm, attentive interaction heart rhythms begin to align. The parent and child's heart rhythms often become coordinated. Hormones shift together. The bonding hormone oxytocin rises in both parent and child and, emotional states become linked.

    If the parent becomes calm and attentive, the child's nervous system often becomes calmer too. This creates a shared biological rhythm between them.

    3. Why this happens

    Humans are designed for connection. From the very beginning of life, babies rely on caregivers to help regulate their:

    • Stress levels

    • Emotions

    • Attention

    • Sleep patterns

    • Body rhythms

    Through thousands of small interactions, eye contact, voice tone, touch, movement, the child’s body learns how to organise itself.

    Over time the child gradually learns to regulate their own nervous system.

    4. Why this research matters for parents

    This research shows something very reassuring. Parents do not need to be perfect. What matters most is responsive connection.

    Simple things like:

    • Looking at your child

    • Speaking in a calm voice

    • Responding to their cues

    • Sharing moments of play or comfort

    All help your child’s nervous system develop healthy rhythms.

    5. Why this is especially important for sensitive or autistic children

    Children with sensory or nervous system differences may rely even more on this process.

    They may be:

    • Highly aware of emotional tone

    • Sensitive to stress signals

    • Responsive to rhythm, pacing and presence

    In these cases, the parent's calm and predictable presence can become a powerful regulating anchor.

    6. The simple takeaway

    Children do not regulate their nervous systems alone.

    They learn regulation through relationship. Over time, thousands of small moments of connection help shape how the child’s brain and body respond to the world.

    Research Source

    Feldman, R. (2012)
    Parent–infant synchrony and the construction of shared timing
    Developmental Review

    https://doi.org/10.1016/j.dr.2011.12.003

  • Research by Uri Hasson (2012)

    1. The basic idea

    Research by neuroscientist Uri Hasson shows that when people interact closely, their brain activity can begin to synchronise. Scientists call this brain-to-brain coupling.

    This means that when two people share attention or communicate, patterns of brain activity in one person can begin to align in timing with patterns in the other.

    This synchrony can occur through everyday interaction signals such as:

    • Eye contact

    • Shared attention to the same object or activity

    • Facial expression

    • Tone of voice

    • Rhythm and pacing of interaction

    During these moments, the brains of two people begin to organise around the same shared experience.

    2. What researchers actually observed

    In studies using brain imaging, researchers observed pairs of people while they interacted through conversation, storytelling, or shared attention.

    They found that during meaningful interaction:

    Brain activity begins to align

    Patterns of brain activity in the listener often mirror patterns in the speaker's brain.

    Shared attention strengthens synchrony

    The more engaged two people are with each other, the stronger the synchronisation becomes.

    Interaction creates stronger coupling

    Brain synchrony is strongest when people are actively interacting, rather than when they are simply hearing or seeing information alone.

    3. Why this happens

    Human brains are designed to connect. When people communicate, the brain is constantly predicting, responding, and adjusting to the other person.

    Signals such as:

    • Voice rhythm

    • Facial expression

    • Movement

    • Shared attention

    help the brain align with another person's experience. This alignment helps people understand each other, learn together, and share meaning.

    4. Why this research matters for parents

    This research shows that learning and connection happen through interaction.

    When parents share attention with their child, through play, conversation, reading, or exploring together, the child's brain is actively organising through those shared experiences.

    Simple moments like:

    • Looking at something together

    • Following a child’s interest

    • Talking about what they are doing

    • Sharing playful interaction

    support the child’s developing brain.

    5. Why this is especially important for autistic or sensory-sensitive children

    Children who are:

    • Autistic

    • Beyond-verbal

    • Sensory sensitive

    may rely more on shared attention and interaction rhythms than on spoken language alone.

    They may be responding to:

    • Pacing of interaction

    • Emotional tone

    • Movement and rhythm

    • Where attention is directed

    In these moments, a parent’s presence and shared focus help organise the child’s developing brain.

    6. The simple takeaway

    Brains develop through connection. Children do not learn only from information, they learn through shared attention, interaction, and relationship.

    Over time, many small moments of shared engagement help shape how the child understands and connects with the world.

    Research Source

    Hasson, U., Ghazanfar, A., Galantucci, B., Garrod, S., & Keysers, C. (2012) Brain-to-brain coupling: A mechanism for creating and sharing a social world
    Trends in Cognitive Sciences

    https://doi.org/10.1111/j.1469-7610.2006.01701.x

  • 1. The basic idea

    Scientists have explored whether information can be sent directly between two human brains using technology.

    In these experiments, brain signals from one person are recorded using electroencephalography (EEG) and then transmitted to another person using transcranial magnetic stimulation (TMS) or other brain-stimulation tools.

    This allows a simple signal, such as a yes/no response or a movement command, to be transferred between brains through computers.

    2. What researchers actually observed

    In several experiments, researchers demonstrated that:

    Simple information could be transmitted between brains

    One person could send a signal that caused another person’s brain to trigger a movement, such as pressing a button.

    Brain signals could be interpreted by computers

    EEG technology allowed researchers to detect patterns in brain activity and translate them into digital signals.

    Signals could be delivered to another brain

    Using magnetic stimulation, researchers could trigger brain activity that produced a response in the receiving participant.

    3. Why this research matters

    These experiments show that brain activity can be:

    • Detected

    • Transmitted through technology

    • Interpreted by another brain

    However, the information transferred is very simple, and the process relies heavily on computers and external devices.

    It is not telepathy in the traditional sense.

    4. Why this research is interesting

    Although the technology is still very limited, these studies demonstrate that:

    • Brains produce signals that can be measured

    • Those signals can be translated into information

    • Communication between brains can be mediated through technology

    This area of research continues to develop within neuroscience and neurotechnology.

    Research Sources

    Rajesh Rao et al. (2014)
    Direct brain-to-brain communication in humans

    https://doi.org/10.1371/journal.pone.0111332

    Andrea Stocco et al. (2015)
    Brain-to-brain interface enables collaborative problem solving
    Scientific Reports

    https://doi.org/10.1038/srep09956

  • Research by Rollin McCraty

    1. The basic idea

    Research from the HeartMath Institute explores how the heart and brain work together to regulate emotional and physiological states.

    When a person experiences calm, positive emotional states, the rhythm of the heart becomes more ordered and stable. This pattern is known as heart coherence.

    Heart coherence is linked with improved communication between the heart, brain, and nervous system.

    2. What researchers actually observed

    Studies examining heart rate variability have found that:

    Heart rhythms reflect emotional states

    Calm and regulated emotions produce smooth, coherent heart rhythms, while stress produces irregular patterns.

    Heart signals influence the brain

    The heart sends signals to the brain that can affect attention, emotional regulation, and perception.

    Physiological rhythms can synchronise between people

    Research suggests that heart rhythms between people interacting closely can sometimes become coordinated.

    3. Why this happens

    The heart and brain communicate continuously through the autonomic nervous system.

    Signals from the heart influence brain areas involved in:

    • Emotional regulation

    • Attention

    • Perception

    • Decision making

    When the nervous system is calm and regulated, communication between these systems becomes more balanced.

    4. Why this research matters for parents

    Understanding heart–brain regulation helps explain why calm, supportive relationships can help children regulate their nervous systems. When caregivers are calm and emotionally regulated, their presence can support a child’s nervous system in returning to a more balanced state.

    5. Why this is especially important for sensory-sensitive children

    Children who experience strong sensory input may rely more heavily on relational regulation.

    A calm and predictable caregiver can help stabilise the child’s nervous system, making communication, learning, and interaction easier.

    6. The simple takeaway

    Emotional states influence the body’s physiology. When adults provide calm, supportive relationships, they help create the conditions where a child’s nervous system can regulate and communication can emerge more easily.

    Research Source

    McCraty, R., & Childre, D. (2010)
    Coherence: Bridging personal, social, and global health

    https://www.heartmath.org/research/science-of-the-heart/

Sensory processing refers to how the brain receives, organises, and responds to information coming from the senses, such as sound, light, touch, movement, and signals from within the body. Every person processes sensory information slightly differently, but for some children, particularly those who are autistic or highly sensory-sensitive, the brain may process sensory input more intensely, more slowly, or in greater detail. This can make everyday environments feel overwhelming or confusing, as the brain may receive more sensory information than it can easily filter or organise. Research has shown that some children notice details others might miss and may find it harder to ignore background sounds, bright lights, or busy environments. When sensory input becomes too strong or unpredictable, the nervous system may respond by seeking ways to restore balance, such as avoiding certain sounds or textures, needing movement, withdrawing from busy spaces, or becoming distressed. Understanding sensory processing differences can help parents see behaviour not simply as something to manage, but as a signal of how the child’s nervous system is experiencing the world, allowing families to create environments that feel calmer, more predictable, and supportive of the child’s natural sensory needs.

Sensory Processing & Brain Differences

  • Research by Winnie Dunn

    1. The basic idea

    Research by occupational therapist Winnie Dunn explains that people experience and respond to sensory information in different ways depending on how strongly their nervous system reacts to sensory input.

    Dunn’s Sensory Processing Framework describes four common sensory patterns.

    These patterns are based on two things:

    • How strongly a person’s nervous system reacts to sensory input

    • How actively they respond to sensory experiences

    Children may show different patterns such as:

    Sensory seeking

    Actively looking for strong sensory experiences like movement, pressure, or sound.

    Sensory avoiding

    Trying to reduce or escape sensory input that feels overwhelming.

    Sensory sensitivity

    Noticing sensory signals very quickly and reacting strongly to them.

    Low sensory registration

    Needing stronger sensory input to notice what is happening around them.

    2. What researchers actually observed

    Studies using Dunn’s framework found that children can show consistent sensory response patterns in everyday life.

    Researchers observed that:

    Children respond differently to the same environment

    A classroom that feels comfortable for one child may feel overwhelming for another.

    Some children actively seek sensory experiences

    They may enjoy movement, spinning, deep pressure, or loud sounds.

    Some children avoid certain sensory input

    They may cover their ears, avoid textures, or withdraw from busy environments.

    Sensory patterns influence behaviour

    Many behaviours that appear challenging may actually be the child’s way of managing sensory input.

    3. Why this happens

    Every nervous system has a different sensory threshold, meaning the level of input it needs to respond. Some nervous systems respond very quickly to sensory signals. Others require stronger signals before they notice them.

    Children naturally develop strategies to manage their sensory experiences and help their nervous system stay balanced.

    4. Why this research matters for parents

    Understanding sensory patterns can help parents see behaviour differently.

    Instead of asking: “Why is my child behaving like this?”

    Parents can begin to ask: “What sensory experience might my child be having right now?”

    Small adjustments can often help, such as:

    • Reducing background noise

    • Offering movement opportunities

    • Creating predictable routines

    • Adjusting lighting or sensory input

    5. Why this is especially important for autistic or sensory-sensitive children

    Many autistic children experience the world through heightened or altered sensory processing.

    This means they may:

    • Notice sounds others ignore

    • Feel textures more strongly

    • Become overwhelmed in busy environments

    • Seek movement or deep pressure to regulate their bodies

    Understanding sensory needs can help create environments where the child feels safer and more comfortable.

    6. The simple takeaway

    Sensory behaviours are often the nervous system’s way of trying to stay balanced.

    When adults understand these sensory patterns, they can better support children by adjusting environments rather than trying to change the child.

    Research Source

    Dunn, W. (1997)
    The impact of sensory processing abilities on the daily lives of young children and their families
    American Journal of Occupational Therapy

    https://research.aota.org/ajot/article/51/4/287/5637/The-Impact-of-Sensory-Processing-Abilities-on

  • Research by Laurent Mottron

    1. The basic idea

    Research by autism scientist Laurent Mottron suggests that many autistic individuals experience enhanced perception.

    This means the brain may process certain sensory information in greater detail.

    Rather than missing information, autistic perception may prioritise fine detail and pattern detection in the environment.

    2. What researchers actually observed

    Studies comparing autistic and non-autistic participants found that autistic individuals often perform differently on sensory and visual tasks.

    Researchers observed that:

    More visual detail can be noticed

    Autistic participants often detect small visual patterns faster than others.

    Sound and pattern detection may be stronger

    Some autistic individuals show increased sensitivity to sound patterns or pitch differences.

    Attention to detail is enhanced

    Autistic individuals may focus on specific details within a larger image or environment.

    3. Why this happens

    Mottron’s research suggests the autistic brain may process raw sensory information more directly, rather than filtering it quickly into general summaries.

    This means more detailed sensory information may reach conscious awareness.

    While this can sometimes feel overwhelming, it can also support abilities such as:

    • Pattern recognition

    • Visual analysis

    • Memory for detail

    4. Why this research matters for parents

    This research encourages a shift in perspective. Instead of seeing autism only as a difficulty, it highlights that autistic perception may represent a different way of experiencing and processing the world.

    Understanding this can help parents support their child’s strengths as well as their sensory needs.

    5. Why this is especially important for autistic children

    Children who experience enhanced perception may:

    • Notice small environmental changes

    • Be sensitive to subtle sensory signals

    • Prefer predictable sensory patterns

    • Feel overwhelmed in busy environments

    Recognising these differences can help adults create environments that feel more comfortable and supportive.

    6. The simple takeaway

    Autistic perception is not simply reduced or impaired, it may be different and sometimes more detailed.

    Understanding these differences helps adults support autistic children in ways that respect how their brains naturally experience the world.

    Research Source

    Mottron, L., Dawson, M., Soulières, I., Hubert, B., & Burack, J. (2006)
    Enhanced perceptual functioning in autism: An update
    Journal of Autism and Developmental Disorders

    https://link.springer.com/article/10.1007/s10803-005-0040-7

  • Research by Darold Treffert

    1. The basic idea

    Research by psychiatrist Darold Treffert explores a phenomenon known as savant syndrome, where some individuals with autism show exceptional abilities in specific areas such as memory, mathematics, music, art, or pattern recognition.

    These abilities often involve highly detailed perception and the ability to recognise complex patterns that others may overlook.

    2. What researchers actually observed

    Studies of savant abilities have found that some autistic individuals demonstrate unusual strengths in areas such as:

    Exceptional memory

    Some individuals can recall large amounts of detailed information with remarkable accuracy.

    Pattern recognition

    Many savant abilities involve detecting patterns in numbers, music, visual images, or systems.

    Artistic or musical ability

    Some individuals show extraordinary skills in drawing, music, or other creative areas.

    3. Why this happens

    Researchers believe savant abilities may be linked to differences in how the brain processes and organises information.

    In some cases, the brain may prioritise detailed perception and pattern detection, allowing certain abilities to develop with unusual strength.

    4. Why this research matters for parents

    This research helps shift the understanding of autism from a purely deficit-based view to one that recognises differences in how information is processed.

    Some children may show strong abilities in areas such as memory, music, visual detail, or systems thinking.

    Supporting these strengths can be an important part of helping children develop confidence and communication.

    5. Why this is especially important for autistic children

    Savant abilities show that autistic perception can include unique strengths and talents.

    Rather than focusing only on challenges, this research encourages adults to notice areas where a child’s brain may process information in powerful or creative ways.

    6. The simple takeaway

    Autistic brains may process information differently, sometimes leading to remarkable strengths in memory, pattern recognition, or creativity.

    Recognising these strengths helps create a more balanced understanding of autism.

    Research Source

    Treffert, D. A. (2009)
    The savant syndrome: An extraordinary condition
    Philosophical Transactions of the Royal Society B

    https://doi.org/10.1098/rstb.2008.0326

  • Research by Simon Baron-Cohen

    1. The basic idea

    Synesthesia is a condition where stimulation of one sense automatically triggers another sensory experience.

    For example, a person might:

    • See colours when hearing music

    • Associate numbers with colours or shapes

    • Experience sounds as visual patterns

    Research has found that synesthesia appears more frequently in autistic individuals than in the general population.

    2. What researchers actually observed

    Studies have shown that:

    Sensory experiences can overlap

    Some individuals report experiencing colours, shapes, or textures in response to sounds or numbers.

    Sensory connections may be stronger

    Brain imaging suggests increased connectivity between certain sensory regions in the brain.

    Synesthesia appears more often in autism

    Research has found higher rates of synesthesia among autistic individuals compared with non-autistic populations.

    3. Why this happens

    One explanation is that the brain may maintain stronger connections between sensory regions, allowing information from different senses to interact more directly.

    This may reflect differences in how sensory information is organised in the brain.

    4. Why this research matters for parents

    Understanding sensory cross-connections can help explain why some children experience the world in ways that are difficult to describe with words.

    Sensory experiences may feel richer, more intense, or more interconnected.

    5. Why this is especially important for autistic children

    Children who experience strong sensory cross-connections may respond differently to sound, colour, movement, or rhythm. Recognising these differences can help adults create environments that feel supportive rather than overwhelming.

    6. The simple takeaway

    Some autistic individuals experience sensory information in uniquely interconnected ways. Understanding these differences helps adults support how children naturally perceive and interact with the world.

    Research Source

    Baron-Cohen, S., Johnson, D., Asher, J., et al. (2013)
    Is synesthesia more common in autism?
    Molecular Autism

    https://doi.org/10.1186/2040-2392-4-40

  • Research by Karl Friston and Lisa Feldman Barrett

    1. The basic idea

    Modern neuroscience suggests that the brain constantly tries to predict what will happen next in the world. This process is known as predictive processing.

    Rather than reacting to every piece of sensory information, the brain normally filters incoming signals by comparing them with its predictions.

    Research suggests that autistic brains may rely less on prediction and more on incoming sensory information, meaning more of the environment may be processed in real time.

    2. What researchers actually observed

    Studies exploring predictive processing in autism have found that:

    More sensory information may reach awareness

    Autistic individuals may process incoming sensory signals more directly rather than filtering them quickly.

    Prediction systems may work differently

    The brain may rely less on past expectations and more on current sensory input.

    Unexpected changes may feel more intense

    Because predictions help the brain prepare for what comes next, environments that change quickly can feel more overwhelming when prediction systems work differently.

    3. Why this happens

    The brain normally reduces sensory load by predicting familiar patterns in the environment.

    If predictive filtering works differently, the nervous system may receive more raw sensory information.

    This can lead to:

    • Stronger awareness of environmental details

    • Greater sensitivity to sensory input

    • Increased effort required to organise information

    4. Why this research matters for parents

    Understanding predictive processing differences helps explain why:

    • Sudden changes can feel difficult

    • Busy environments may feel overwhelming

    • Predictable routines can be calming

    When the environment becomes more predictable, the nervous system can organise sensory information more easily.

    5. Why this is especially important for autistic or sensory-sensitive children

    Children who process more sensory information may benefit from environments that support nervous system regulation, such as:

    • Predictable routines

    • Slower pacing of interaction

    • Reduced sensory overload

    • Clear transitions between activities

    These supports help the brain organise incoming information more comfortably.

    6. The simple takeaway

    Autistic brains may process more of the environment directly rather than filtering it quickly through prediction. This can lead to greater awareness of detail, but it can also require more support to organise sensory information.

    Understanding this helps adults create environments that feel calmer and more predictable for the child.

    Research Source

    Friston, K., Lawson, R., & Rees, G. (2014)
    Bayesian models of autism: Sensory precision and prediction
    Frontiers in Human Neuroscience

    https://doi.org/10.3389/fnhum.2014.00302

  • Research by Sarah Garfinkel and Anil Seth

    1. The basic idea

    Interoception refers to the brain’s ability to sense signals coming from inside the body.

    These internal signals include:

    • Heartbeat

    • Breathing

    • Hunger

    • Body tension

    • Emotional states

    Research suggests that some autistic individuals may experience differences in interoceptive processing, meaning internal body signals may feel stronger, less predictable, or harder to interpret.

    2. What researchers actually observed

    Studies exploring interoception have found that:

    Internal body signals can be processed differently

    Some individuals show heightened awareness of internal sensations such as heartbeat or breathing.

    Interoception influences emotional regulation

    The brain uses internal body signals to help interpret emotions and maintain physiological balance.

    Body awareness may affect anxiety and stress responses

    When internal signals are difficult to interpret, it can make emotional and physical regulation more challenging.

    3. Why this happens

    The brain continuously integrates information from both the external environment and the internal body.

    If internal signals are processed differently, the nervous system may need more time to interpret what the body is experiencing.

    This can influence:

    • Emotional regulation

    • Body awareness

    • Readiness for movement or communication

    4. Why this research matters for parents

    Understanding interoception can help explain why some children may struggle to recognise or communicate internal feelings such as hunger, pain, or emotional distress.

    Supportive environments that promote calm, predictable interaction can help children develop greater awareness of their internal states over time.

    5. Why this is especially important for autistic or sensory-sensitive children

    Children who experience strong sensory input may also experience differences in how internal body signals are processed.

    Supporting nervous system regulation can help children gradually learn to recognise and interpret these signals more comfortably.

    6. The simple takeaway

    The brain does not only process the outside world, it also constantly listens to signals from inside the body.

    Understanding these internal sensory processes helps us better support emotional regulation, body awareness, and communication.

    Research Source

    Garfinkel, S. N., & Seth, A. K. (2013)
    Interoception, emotion and the embodied self
    Trends in Cognitive Sciences

    https://doi.org/10.1016/j.tics.2013.09.007

Communication is not limited to speech. Many children communicate through a wide range of methods, including gesture, movement, typing, AAC devices, spelling, shared attention, and relational cues. Autism research increasingly recognises that differences in motor coordination, sensory processing, and nervous system regulation can influence how easily a child accesses spoken language, even when understanding is present. Because of this, a variety of communication approaches have been developed to support expression for non-speaking or minimally speaking individuals. While these methods differ in technique and scientific debate, they share a common goal: helping individuals find reliable ways to express their thoughts, needs, and experiences. Across many areas of research, one principle appears consistently: communication becomes easier when the nervous system feels safe, supported, and relationally connected. Connection and regulation often form the foundation from which communication can emerge.

Movement, Motor Access & Communication Pathways

  • 1. The basic idea

    Augmentative and Alternative Communication (AAC) refers to tools and methods that support communication when speech is difficult or unavailable.

    AAC can include:

    • Communication apps and speech devices

    • Picture exchange systems

    • Symbol boards

    • Typing or letterboards

    • Gesture or sign systems

    AAC does not replace communication, it provides another pathway for expression.

    2. What researchers have actually observed

    Research shows that AAC can support communication development for many non-speaking individuals.

    Studies have found that:

    AAC can increase communication opportunities

    Children may express needs, thoughts, and preferences more easily when alternative communication tools are available.

    AAC does not prevent speech development

    Research shows AAC often supports language development rather than replacing speech.

    Communication improves when access is consistent

    Regular access to AAC tools and supportive partners increases successful communication attempts.

    3. Why this happens

    Communication is not limited to speech.

    Language can be expressed through many forms including:

    • Symbols

    • Typing

    • Gesture

    • Movement

    • Technology-assisted speech

    When communication pathways expand, individuals may gain more reliable access to expressing their thoughts.

    4. Why this research matters for parents

    AAC provides children with tools to communicate while their speech and motor systems continue to develop.

    Providing communication access early allows children to:

    • Express choices

    • Share experiences

    • Build language skills

    • Participate socially

    5. Why this is especially important for autistic or sensory-sensitive children

    Some children understand language but have difficulty producing speech or coordinating the motor movements required for speaking.

    AAC can provide an alternative pathway for communication while supporting language development.

    6. The simple takeaway

    Communication should not depend on speech alone. When children are given multiple ways to express themselves, communication often becomes more accessible.

    Research Source

    Beukelman, D., & Mirenda, P. (2013)
    Augmentative and Alternative Communication: Supporting Children and Adults with Complex Communication Needs
    Paul H. Brookes Publishing

    https://books.google.com/books?id=J9kWAAAAQBAJ

  • Some families and practitioners have explored spelling-based communication approaches for non-speaking autistic individuals. These approaches typically involve the individual selecting letters on a board or keyboard with the support of a communication partner. For some families, these methods have opened new pathways for expression and have been experienced as deeply meaningful and life-changing.

    At the same time, these approaches remain debated within the scientific and clinical communities. Questions have been raised about how to reliably ensure that the communication originates independently from the individual rather than being unintentionally influenced by a communication partner. Because of this, spelling-based communication methods have not yet been widely accepted as evidence-based practices within mainstream speech and language research.

    Importantly, direct large-scale research examining these approaches remains limited, and the scientific discussion is still evolving. At present, there is not enough high-quality controlled research to definitively confirm or dismiss the methods. As a result, the topic remains an area of active debate and ongoing investigation.

    Alongside this discussion, growing research in areas such as motor planning, sensorimotor integration, sensory processing, and nervous system regulation is encouraging scientists to reconsider how communication access may vary for different individuals. These emerging fields suggest that differences in motor coordination, sensory processing, and nervous system state can influence how easily a person is able to express thoughts through speech or movement.

    For this reason, many families and practitioners continue to explore a range of communication approaches while the research continues to develop.

  • 1. The basic idea

    Some families and researchers have explored the possibility that communication may occur through non-verbal or intuitive processes that are not yet fully understood.

    These ideas are sometimes discussed in relation to highly attuned relational communication.

    One researcher who has explored this area is Diane Hennacy Powell.

    2. What researchers have actually observed

    Claims of telepathic communication in autism have been discussed in small exploratory studies and anecdotal reports.

    However, these findings have not yet been consistently replicated in controlled scientific research.

    Because of this, the topic remains highly debated and not established within mainstream neuroscience (yet).

    3. Why this discussion appears in autism communities

    Many families report experiences of strong relational attunement or intuitive understanding with their children.

    Researchers studying perception, sensory processing, and relational synchrony continue to explore how nervous systems communicate through subtle signals.

    4. Why this research matters for parents

    It is important for families to approach emerging ideas with both curiosity and careful evaluation of evidence.

    Scientific understanding of communication continues to evolve, especially as new technologies allow researchers to study brain activity and interaction more closely.

    5. The simple takeaway

    Human communication involves many layers, including speech, gesture, shared attention, and emotional connection. Research continues to explore how these processes develop and interact.

    Some researchers, including neuropsychiatrist Diane Hennacy Powell, have explored reports of telepathic communication in non-speaking autistic individuals. These investigations remain exploratory and highly debated, and the findings have not yet been replicated in controlled scientific studies. As a result, this area remains outside mainstream neuroscience and continues to be the subject of ongoing discussion and investigation.

    Research Source

    Institute of Noetic Sciences (IONS)

    Dr. Powell has collaborated with the Institute of Noetic Sciences, where some of her work exploring telepathy claims has been discussed.

    https://noetic.org/profile/diane-hennacy-powell/

    She also writes about these topics in her book: The Extra Sensory Perception (ESP) Enigma. The Scientific Case for Psychic Phenomena

    https://books.google.com/books?id=H3s6DwAAQBAJ

  • Understanding motor differences beyond the idea of “mind–body disconnect”

    1. The basic idea

    Historically, difficulties with speech, pointing, or other intentional movement in non-speaking autistic individuals have sometimes been described as a “mind–body disconnect.”

    However, newer perspectives suggest that movement differences may be better understood as motor access variability, meaning that the ability to translate thoughts into coordinated movement can vary depending on the state of the nervous system.

    Motor actions such as speaking, pointing, typing, or selecting symbols require complex coordination between:

    • Sensory processing

    • Attention

    • Emotional regulation

    • Timing and sequencing of movement

    • Nervous system readiness for action

    If the nervous system is busy processing large amounts of sensory or emotional information, the body may prioritise perception and safety assessment before preparing movement.

    2. What researchers have actually observed

    Research in autism and motor neuroscience has shown that many autistic individuals experience differences in movement planning and coordination.

    Researchers have observed that:

    Motor performance can be inconsistent

    A person may complete a movement easily in one moment but struggle with the same action at another time.

    Movement may require longer preparation time

    Some individuals show longer pauses before initiating movement, suggesting that the brain may need additional time to organise motor signals.

    Complex motor actions require multiple systems

    Speech, pointing, typing, or selecting symbols all require coordinated timing between sensory, cognitive, and motor systems.

    These findings suggest that movement differences are not simply about ability, but about how the nervous system organises movement in real time.

    3. Why this happens

    Movement does not begin in the muscles, it begins in the nervous system.

    Before a movement occurs, the brain must:

    • Interpret sensory information

    • Assess environmental safety

    • Organise timing and sequencing

    • Coordinate multiple brain regions

    If the nervous system is overloaded or focused on processing sensory and emotional information, movement signals may be delayed or temporarily unavailable.

    This can create the appearance of inconsistency even when the person understands the task.

    4. Why this research matters for parents

    Understanding motor variability can help parents interpret pauses, inconsistent responses, or delayed movement differently. Instead of assuming a lack of understanding, it may reflect the nervous system needing time and regulation before movement becomes available.

    Support strategies that can help include:

    • Allowing extra time for responses

    • Slowing the pace of Interaction

    • Reducing sensory overload

    • Supporting regulation before expecting output

    5. Why this is especially important for autistic or sensory-sensitive children

    Children who process large amounts of sensory information may prioritise perception and safety before preparing movement.

    This means they may:

    • Pause before responding

    • Show inconsistent motor output

    • Communicate more reliably when calm and regulated

    In these moments, supportive environments and patient interaction can help the nervous system organise movement more effectively.

    6. The simple takeaway

    Movement differences do not necessarily mean thoughts or understanding are absent.

    Sometimes the challenge lies in accessing coordinated movement at the right moment, especially when the nervous system is managing complex sensory and emotional information.

    With time, regulation, and supportive environments, many children show increased access to movement and communication.

    Research Sources

    Torres, E. B., & Donnellan, A. M. (2013)
    Autism: The Movement Sensing Perspective

    https://doi.org/10.3389/fnint.2013.00032

    Trevarthen, C., & Delafield-Butt, J. (2013)
    Autism as a developmental disorder in intentional movement and affective engagement

    https://doi.org/10.3389/fpsyg.2013.00224

  • Research by Colwyn Trevarthen and Jonathan Delafield-Butt

    1. The basic idea

    Research by Colwyn Trevarthen and Jonathan Delafield-Butt suggests that autism may involve differences in intentional movement and motor coordination, rather than a lack of understanding or connection.

    Intentional movement refers to actions that express a person’s thoughts, intentions, or communication, such as:

    • Reaching

    • Pointing

    • Speaking

    • Gesturing

    • Moving toward or away from something

    These movements require complex coordination between perception, emotion, attention, and motor systems.

    2. What researchers actually observed

    Studies of infant development and autism have found that differences in movement timing and coordination can appear early in development.

    Researchers observed that:

    Movement timing may vary

    Some autistic individuals take longer to organise and initiate movement.

    Movement can appear inconsistent

    A person may perform a movement easily in one situation but struggle in another.

    Motor coordination involves emotional and relational systems

    Movement and communication develop through interaction with caregivers, where rhythm, timing, and emotional connection support coordinated action.

    3. Why this happens

    Intentional movement is organised through networks that connect the brain, body, emotion, and perception.

    If sensory processing, emotional regulation, or timing systems are working differently, the brain may require more time or stability to coordinate movement.

    This does not necessarily reflect a lack of intention, but rather differences in how movement is organised and expressed.

    4. Why this research matters for parents

    Understanding intentional movement differences helps shift the focus from behaviour to motor organisation.

    Instead of assuming a child is unwilling or unable, it may be helpful to consider that the nervous system needs:

    • Time

    • Regulation

    • Relational support

    before coordinated movement becomes available.

    5. Why this is especially important for autistic or sensory-sensitive children

    Children who process large amounts of sensory information may prioritise perception and emotional regulation before preparing movement.

    This can lead to:

    • Pauses before responding

    • Inconsistent motor output

    • Stronger communication when calm and regulated

    Supportive environments and patient interaction can help the nervous system organise movement more effectively.

    6. The simple takeaway

    Movement is deeply connected to perception, emotion, and relationship.

    Understanding movement differences helps adults support communication by creating conditions where the nervous system can organise action more comfortably.

    Research Source

    Delafield-Butt, J. & Trevarthen, C. (2013), Theories of the development of autism: Autism as a disorder of intentional movement and affective engagement

    https://doi.org/10.3389/fpsyg.2013.00224

  • Research by Elizabeth Torres

    1. The basic idea

    Research by Elizabeth Torres explores how the brain and body coordinate movement through a process called sensorimotor integration.

    Sensorimotor integration is the way the nervous system combines:

    • Sensory information from the body and environment

    • Motor signals that control movement

    This coordination allows us to move smoothly, speak, gesture, and interact with the world.

    2. What researchers actually observed

    Studies examining movement patterns in autistic individuals found differences in how the nervous system organises movement signals.

    Researchers observed that:

    Movement signals may show greater variability

    Motor output may change from moment to moment.

    Coordination between sensory and motor systems may differ

    The brain may process incoming sensory information differently while preparing movement.

    Motor timing may require additional organisation

    Complex movements such as speech or pointing may require more time to coordinate.

    3. Why this happens

    Movement is guided by continuous feedback between the brain and body.

    If sensory signals are processed differently, the motor system may receive more complex information to organise.

    This can lead to variability in movement timing andcoordination, even when the intention to move is present.

    4. Why this research matters for parents

    Understanding sensorimotor differences can help explain why a child may:

    • Pause before responding

    • Struggle with certain movements

    • Show inconsistent motor output

    Rather than reflecting a lack of understanding, these differences may relate to how the nervous system coordinates sensory information and movement.

    5. Why this is especially important for autistic or sensory-sensitive children

    Children who process sensory information intensely may experience more complex input while preparing movement.

    This can mean that communication becomes easier when:

    • Sensory environments are calmer

    • Interactions move at a slower pace

    • The nervous system feels regulated and supported

    6. The simple takeaway

    Movement and communication depend on the coordination of sensory and motor systems.

    Understanding these differences helps adults support children by focusing on regulation, pacing, and supportive environments.

    Research Source

    Torres, E. B., & Donnellan, A. M. (2013), Autism: The Movement Sensing Perspective

    https://doi.org/10.3389/fnint.2013.00032

  • Research by Elizabeth Torres

    1. The basic idea

    Research in movement science suggests that autistic individuals may experience differences in motor timing and coordination, meaning the brain and body may organise movement differently from moment to moment.

    Rather than a simple “mind–body disconnect,” this research proposes that movement differences may involve greater variability in how motor signals are produced and timed.

    Motor actions such as speaking, pointing, typing, or selecting symbols require precise coordination between:

    • Sensory processing

    • Attention

    • Timing signals in the brain

    • Muscle coordination

    When these systems organise differently, movement may be available at some moments but not others.

    2. What researchers actually observed

    Studies analysing movement patterns have found that:

    Movement signals can vary from moment to moment

    Motor output may appear inconsistent even when a person understands the task.

    Timing differences affect coordination

    The nervous system may require additional time to organise movement.

    Motor variability can reflect sensory processing differences

    When the brain processes large amounts of sensory information, movement signals may be delayed while the system organises incoming information.

    3. Why this happens

    Movement depends on constant feedback between the brain and body.

    The nervous system must integrate:

    • Sensory information

    • Emotional state

    • Environmental context

    • Timing signals for movement

    If these signals are highly detailed or arrive rapidly, the brain may prioritise processing information before initiating movement.

    4. Why this research matters for parents

    Understanding motor variability can help parents interpret pauses, delayed responses, or inconsistent movement differently. A child may understand what is being asked but need more time or regulation before movement becomes available.

    Support strategies may include:

    • Allowing longer response time

    • Slowing the pace of interaction

    • Reducing sensory overload

    • Supporting nervous system regulation

    5. Why this is especially important for autistic or sensory-sensitive children

    Children who process sensory information intensely may prioritise perception and environmental awareness before preparing movement.

    This can lead to:

    • Pauses before responding

    • Variable motor output

    • Stronger communication when calm and regulated

    Supportive environments can help the nervous system organise movement more consistently.

    6. The simple takeaway

    Movement and communication depend on timing, coordination, and nervous system state. When we understand motor variability, we can shift from assuming inability to recognising that access to movement may change depending on regulation and environment.

    Research Source

    Torres, E. B., Yanovich, P., & Metaxas, D. (2013)
    Give spontaneity and self-discovery a chance in ASD: Spontaneous peripheral limb variability as a proxy to evoke centrally driven intentional acts

    Frontiers in Integrative Neuroscience

    https://doi.org/10.3389/fnint.2013.00046

  • Research by Karl Friston and Jakob Hohwy

    1. The basic idea

    Active inference is a theory suggesting that the brain constantly tries to predict what will happen next in the world.

    Instead of simply reacting to sensory information, the brain builds internal models to anticipate incoming signals.

    When something unexpected happens, the brain updates its predictions.

    2. What researchers actually observed

    Studies exploring predictive brain models suggest that:

    The brain continuously predicts sensory input

    Predictions help reduce the amount of information the brain needs to process.

    Movement helps the brain test its predictions

    Actions such as reaching, looking, or speaking help the brain confirm whether its predictions about the world are correct.

    Prediction systems may work differently in autism

    Some researchers suggest autistic individuals may rely more on incoming sensory information than on predictions based on past experience.

    3. Why this happens

    The brain constantly tries to minimise uncertainty by adjusting both perception and movement.

    When prediction systems work differently, the nervous system may experience more incoming sensory information and require additional effort to organise it.

    This may influence:

    • Sensory sensitivity

    • Responses to change

    • Comfort with routine and predictability

    4. Why this research matters for parents

    Understanding predictive brain models helps explain why predictable routines and stable environments can support children’s nervous systems. When the environment becomes more predictable, the brain can organise information more easily.

    5. Why this is especially important for autistic or sensory-sensitive children

    Children who process more sensory information may benefit from environments that reduce unpredictability and allow the brain time to organise incoming signals.

    Supportive pacing, routine, and regulation can help the nervous system operate more comfortably.

    6. The simple takeaway

    The brain is constantly predicting and adjusting to the world around it.

    Understanding how prediction systems work helps explain why regulation, predictability, and supportive environments can make communication and learning easier.

    Research Source

    Friston, K., Lawson, R., & Rees, G. (2014)
    Bayesian models of autism: Sensory precision and prediction
    Frontiers in Human Neuroscience

    https://doi.org/10.3389/fnhum.2014.00302

  • Research by Jonathan Delafield-Butt and Colwyn Trevarthen

    1. The basic idea

    Apraxia is often described as a difficulty planning and coordinating movements required for speech or other purposeful actions.

    Historically, these difficulties were sometimes interpreted as a disconnect between the mind and the body.

    However, newer developmental neuroscience research suggests that apraxia may be better understood as differences in how the nervous system organises intentional movement.

    Intentional movement refers to actions that express thoughts, intentions, or communication.

    2. What researchers actually observed

    Research examining early movement development in autistic individuals found that:

    Intentional movements may develop differently

    Movements used for communication, such as pointing, gesturing, or vocalising, may show differences in timing and coordination.

    Movement organisation can vary

    The brain may require additional time to coordinate sensory input, emotional state, and motor output.

    Understanding and intention can still be present

    Differences in motor coordination do not necessarily reflect differences in cognitive ability or understanding.

    3. Why this happens

    Intentional movement depends on the coordination of several systems:

    • Sensory perception

    • Emotional regulation

    • Motor planning

    • Timing and sequencing of movement

    If these systems organise information differently, movement signals may be delayed or inconsistent even when intention is present.

    4. Why this research matters for parents

    Understanding apraxia as a movement coordination difference can help shift the focus from assumptions about ability to supporting the child’s access to movement.

    Children may benefit from:

    • Slower pacing

    • Supportive communication methods

    • Reduced sensory overload

    • Environments that support nervous system regulation

    5. Why this is especially important for autistic children

    Children who process large amounts of sensory information may prioritise perception and regulation before preparing movement.

    This can lead to pauses, variability, or difficulty coordinating speech or gesture even when the child understands what they want to communicate.

    6. The simple takeaway

    Apraxia is increasingly understood as a difference in how the brain organises movement rather than a disconnection between mind and body.

    Supporting regulation, pacing, and alternative communication pathways can help children access their ability to communicate.

    Research Source

    Delafield-Butt, J. & Trevarthen, C. (2013)
    Theories of the development of autism: Autism as a disorder of intentional movement and affective engagement
    Frontiers in Psychology

    https://doi.org/10.3389/fpsyg.2013.00224

  • 1. The basic idea

    Across many areas of research, including nervous system regulation, co-regulation, and sensory processing, one theme appears consistently:

    Communication becomes easier when the nervous system feels safe.

    2. What researchers have observed

    Studies of nervous system regulation show that communication and learning are supported when individuals experience:

    • Emotional safety

    • Predictable environments

    • Supportive relationships

    • Reduced sensory overwhelm

    When the nervous system feels threatened or overloaded, the body may prioritise protection rather than communication.

    3. Why this matters

    Communication requires the coordination of many systems:

    • Attention

    • Sensory processing

    • Motor planning

    • Emotional regulation

    • Social connection

    When the nervous system is calm and regulated, these systems can work together more easily.

    4. The simple takeaway

    When taken together, scientific finding highlight that before communication can fully emerge, the nervous system must feel safe enough to participate.

    Connection, regulation, and relationship often provide the foundation that allows communication to emerge naturally.

Across all communication approaches, whether speech, AAC, typing, spelling, gesture, or other emerging forms, one principle appears again and again in both research and lived experience: communication is most accessible when the nervous system feels safe, supported, and relationally connected. When children experience regulation, predictability, and trusting relationships, the conditions are created for communication to emerge more naturally. For some children, this may appear through speech, for others through alternative communication pathways. The Harmonic Child perspective begins with this foundation: before communication methods, before output or performance, there is connection. When connection and nervous system safety are present, new possibilities for communication can unfold in ways that are unique to each child.