The Embodied Mind: Why Thinking Is Not Only in the Brain
Thinking is not the work of an isolated brain. Movement, internal bodily signals, objects, space, and other people change how we perceive, remember, speak, and solve problems.
When we say that someone is thinking, it is easy to imagine the brain as a central computer and the body as an input-output device. Yet a person does not solve problems as a brain disconnected from a body. We look with eyes, turn the head, move the hands, feel the heartbeat, use posture, space, objects, and other people. Part of what we call thinking emerges precisely in these loops between nervous system, body, and environment.
This is the core of the research program known as embodied cognition. It is not one single theory, and it certainly does not claim that the brain is unimportant. It is a family of approaches asking how much perception, memory, language, decision-making, and the sense of self depend on bodily states, possibilities for action, and the structures of the environment in which we operate.
Some versions of embodied cognition are comparatively modest: they argue that the brain recruits perceptual, motor, and bodily systems in thinking. Others are stronger: they propose that part of cognitive work is distributed across body and environment. The extended-mind thesis goes further still, suggesting that stable external tools may, under some conditions, become constituents of a wider cognitive system. These levels should not be conflated.
The safest conclusion is therefore less dramatic than the slogan 'the mind is not in the brain,' but more interesting than the old picture of the brain as an isolated processor: the brain is central, yet it thinks as part of a living body that continuously moves, senses, regulates itself, and uses the world around it.
Embodied cognition is not one theory
The term embodied cognition covers several distinct claims. Margaret Wilson distinguished at least six in 2002: cognition is situated; it operates under time pressure; we offload cognitive work onto the environment; the environment can be part of a cognitive system; cognition is for action; and even offline cognition can rely on body-based representations. Wilson also stressed that some of these claims are better supported than others.
This matters because the label can become too broad. Evidence that gesture helps problem solving does not by itself show that the external world is literally part of the mind. Evidence that a bodily signal influences a decision likewise does not show that abstract thought can dispense with symbolic or higher-level representations.
In this article, embodied cognition is therefore treated as a research framework rather than a doctrine. The question is not whether 'the body or the brain thinks,' but how different levels of the system cooperate.
The brain thinks in a body, not beside one
The brain is anatomically part of the body and is continuously coupled to its state. The nervous system receives signals from muscles, joints, skin, internal organs, and balance systems while simultaneously sending commands that alter posture, movement, breathing, and other physiological processes. Cognition therefore occurs in a system that is constantly adapting to its own bodily conditions.
This does not mean that every thought can be explained by one bodily signal. It means that a model in which the brain first constructs a complete internal plan and then merely sends it to the body is often inadequate. In many tasks, perception and action form a loop: we look, move, obtain new information, correct the action, and perceive its consequences again.
Embodied approaches therefore emphasize the brain-body-environment loop. No single link in that loop is the whole story.
Interoception brings the internal body into experience
Interoception is the process by which the nervous system senses, interprets, and integrates signals from inside the body. These include information related to cardiovascular activity, breathing, the gastrointestinal system, temperature, hunger, thirst, and other internal states. Much of this signaling remains outside awareness, while some of it contributes to feelings and motivation.
Modern reviews of interoception emphasize that there is no single 'inner sense.' Different bodily channels use different receptors, pathways, and modes of integration. The ability to detect a heartbeat is also not the same as correctly interpreting what a particular bodily sensation means.
This continues the boundary established in “Emotions Are Not the Opposite of Reason: How Body and Brain Shape Decisions”: the body participates in decision-making, but its signals are not infallible oracles. Hunger, fatigue, pain, or a racing heart can change what receives attention and how a situation is evaluated, yet their meaning still depends on context, learning, and brain processing.
Movement is not only an output of thought; it can alter thought
Gesture offers a good example. People spontaneously move their hands while speaking, and gestures often contain spatial or motor information that is not expressed in words. Experiments by Susan Goldin-Meadow and Sian Beilock showed that the way people gesture can alter their subsequent problem solving, meaning that movement can influence how a mental representation develops rather than merely reflecting an already completed thought.
Likewise, in spatial tasks we often rotate an object, tilt the head, count on fingers, or draw a diagram. Such actions change the problem the brain must solve. Instead of performing every transformation internally in working memory, we physically restructure part of the task.
This does not imply that every movement improves cognition. The more general principle is that the body can actively transform the informational environment in which thinking occurs.
The world around us can become part of a thinking strategy
When we write down a phone number, move pieces while planning, sort documents into piles, or set a reminder, we do not directly increase the capacity of the brain. We change the environment so that it reduces demands on memory, attention, or planning. Researchers call this cognitive offloading.
Risko and Gilbert emphasize that offloading is an ordinary feature of cognition. People decide when to retain information internally and when to transfer it to an external aid. That choice is influenced by task difficulty, confidence in memory, and the expected cost of using the aid.
An important boundary is that using a notebook or phone does not by itself prove that the notebook is literally part of the mind. It does show, however, that real cognitive behavior often arises through coordination between internal and external resources.
The extended mind is a stronger philosophical claim
Andy Clark and David Chalmers proposed a stronger possibility in their influential paper The Extended Mind: if an external resource reliably performs the same function that internal memory would otherwise perform, it may in some cases be reasonable to treat it as part of a wider cognitive system. Their famous thought experiment compares ordinary biological memory with a notebook that a person constantly uses as external memory.
This is an influential philosophical thesis, not an experimental fact accepted across cognitive science. Critics point out that there is an important distinction between something that aids cognition and something that constitutes cognition. A map may be indispensable to navigation without thereby becoming part of a nervous system or conscious experience.
It is therefore useful to distinguish three levels: cognition may be embodied because it is shaped by the body; embedded because it uses a structured environment; and, on some theories, extended because certain external elements become constituents of a functional cognitive system.
Word meaning is also partly connected to perception and action
Research on grounded cognition has shown that understanding concepts often recruits perceptual and motor systems related to their content. When we think about an action, object, or property, the brain does not necessarily rely on a completely abstract code detached from the systems through which those things were perceived and used.
But here too a safeguard against overstatement is needed. Reviews of the neuroscience of semantics indicate that evidence for sensorimotor involvement does not support a simple theory in which meaning is nothing more than a replay of sensory or motor experience. Abstract concepts, composition of meaning, and linguistic flexibility require a broader network of processes.
The most plausible picture is therefore hybrid: conceptual knowledge is at least partly grounded in perceptual and action experience, but it is not reducible to those experiences.
The sense of the body helps build the sense of self
Embodiment is also connected to the experience that a body is 'mine.' The classic rubber-hand illusion shows that synchronized visual and tactile signals can partially shift body ownership toward an artificial hand. The result matters because it demonstrates that the bodily self is not a simple direct copy of anatomy but emerges from multisensory integration and internal models of the body.
This connects naturally with “How the Self Develops: Attachment, Development and the Social World”. The developing self is not only a narrative about oneself; it also includes a prereflective sense of position, movement, touch, control, and ownership of one's body. At the same time, body ownership is not infinitely malleable: experiments reveal constraints related to shape, posture, and the consistency of sensory information.
The embodied self is therefore flexible but constrained. Our experience of self emerges from the integration of bodily signals, action, memory, and social context.
Embodiment is not evidence for esoteric energy systems
Because embodied cognition emphasizes the body, its vocabulary is sometimes imported into claims about energy fields, chakras, 'cellular memory,' or other systems said to store complex psychological content directly. Such conclusions do not follow from the scientific literature on embodied cognition.
Evidence that heartbeat, breathing, posture, proprioception, or movement influence cognition is evidence about neural, physiological, and behavioral systems. An additional claim about an unknown energetic mechanism would require additional measurements and independently testable predictions.
Embodiment is interesting enough without adding mechanisms that the data do not require. Its strength is precisely that it shows how much can be explained through measurable interaction among brain, body, and environment.
Thinking is an activity of an organism in a world
When findings on interoception, movement, gesture, body ownership, and cognitive offloading are brought together, a different picture of mind emerges. The brain remains the central organ of integration, and human cognition in its familiar form is impossible without it. Yet the work it performs is not detached from the body that continuously supplies information and possibilities for action.
The environment is not merely scenery either. Through well-arranged objects, notes, diagrams, computers, and other people, we can transform the cognitive problem that must be solved. Sometimes it is more efficient to change the world than to calculate every possibility internally.
The best answer to the title question is therefore this: thinking is importantly brain-based, but it is not brain-only. It is the activity of an organism with a body, a history, goals, and an environment. The embodied mind does not deny the brain; it reminds us that the brain never thinks without a body and a world in which to act.
Sources and further reading
- THY-REALITY — Um, možgani in zavest: tri stvari, ki jih pogosto zamenjujemo / Mind, Brain and Consciousness: Three Things We Often Confuse (LOCKED): conceptual separation between brain, mind and consciousness.
- THY-REALITY — Percepcija ni resničnost: kako možgani gradijo naš svet / Perception Is Not Reality: How the Brain Builds Our World (LOCKED): active perception and constructed experience.
- THY-REALITY — Čustva niso nasprotje razuma: kako telo in možgani oblikujejo odločanje / Emotions Are Not the Opposite of Reason (LOCKED): interoception and bodily signals in decision-making.
- THY-REALITY — Kako nastane jaz: razvoj, navezanost in socialni svet / How the Self Develops (LOCKED): developmental and social layers of the self.
- Wilson, M. — Six views of embodied cognition. Psychonomic Bulletin & Review 9 (2002): 625–636.
- Barsalou, L. W. — Grounded Cognition. Annual Review of Psychology 59 (2008): 617–645.
- Meteyard, L.; Rodriguez Cuadrado, S.; Bahrami, B.; Vigliocco, G. — Coming of age: a review of embodiment and the neuroscience of semantics. Cortex 48 (2012): 788–804.
- Khalsa, S. S. et al. — Interoception and Mental Health: A Roadmap. Biological Psychiatry: Cognitive Neuroscience and Neuroimaging 3 (2018): 501–513.
- Beilock, S. L.; Goldin-Meadow, S. — Gesture changes thought by grounding it in action. Psychological Science 21 (2010): 1605–1610.
- Goldin-Meadow, S.; Beilock, S. L. — Action's Influence on Thought: The Case of Gesture. Perspectives on Psychological Science 5 (2010): 664–674.
- Risko, E. F.; Gilbert, S. J. — Cognitive Offloading. Trends in Cognitive Sciences 20 (2016): 676–688.
- Clark, A.; Chalmers, D. — The Extended Mind. Analysis 58 (1998): 7–19.
- Botvinick, M.; Cohen, J. — Rubber hands 'feel' touch that eyes see. Nature 391 (1998): 756.
- Tsakiris, M. — My body in the brain: A neurocognitive model of body-ownership. Neuropsychologia 48 (2010): 703–712.
- Bridgeman, B.; Tseng, P. — Embodied cognition and the perception–action link. Physics of Life Reviews 8 (2011): 73–85.
- Stanford Encyclopedia of Philosophy — Embodied Cognition. Overview of embodied, embedded and extended approaches and their conceptual differences.