How the brain creates awareness, selfhood, experience, and the mystery of being conscious
npnHub Editorial Member: Willem Royaards curated this blog
Key Points
- Consciousness is one of neuroscience’s deepest questions because it involves both measurable brain activity and subjective experience.
- Neuroscientists study consciousness by examining awareness, attention, perception, sleep, anesthesia, brain injury, and disorders of consciousness.
- Major theories include global workspace theories, integrated information theory, higher-order theories, recurrent processing, and predictive processing.
- Brain regions linked with consciousness include posterior cortical areas, frontoparietal networks, thalamocortical systems, the default mode network, and brainstem arousal systems.
- Neuroscience has made progress in identifying neural correlates of consciousness, but no single theory fully explains subjective experience.
- Practitioners can use consciousness research carefully to support awareness, attention, self-reflection, and ethical client care.
1. What is Consciousness?
Imagine a neuroscience practitioner working with a client who says, “I feel like I am going through life on autopilot.” The client is awake, speaking, working, and making decisions. Yet something feels missing. The practitioner asks, “When do you feel most aware of being here?” The client pauses. They describe a moment during a walk when the body relaxed, colors seemed brighter, and thoughts slowed down. For a few seconds, they were not just functioning. They were aware.
This is an illustrative example, not a scientific case.
Consciousness is often described as subjective experience: the felt quality of being aware. It includes the experience of seeing color, hearing music, feeling pain, noticing emotions, reflecting on yourself, and knowing that you are having an experience. Neuroscience can measure brain activity, attention, behavior, and reportability. But the personal “what it feels like” dimension remains difficult to explain.
This is why consciousness is so fascinating. It sits at the meeting point of biology, psychology, philosophy, medicine, and lived experience. Seth and Bayne explain that modern consciousness science now contains several major theoretical approaches, including global workspace theories, higher-order theories, integrated information theory, and predictive or re-entry approaches (Seth & Bayne, 2022).
For practitioners, consciousness is not only an abstract mystery. It matters in attention, trauma, self-awareness, sleep, meditation, dissociation, anesthesia, and brain injury. The question is not only “What is consciousness?” but also “How can awareness become clearer, safer, and more integrated?”
2. The Neuroscience of Consciousness
Picture an educator teaching a group of wellbeing professionals. She shows two brain scans. In one, a stimulus is processed without conscious awareness. In the other, the same stimulus becomes reportable. The group asks, “Where did consciousness begin?” The educator smiles and says, “That is exactly the debate.”
This is an illustrative example, not a scientific reference.
The neuroscience of consciousness tries to identify the neural correlates of consciousness: the minimum brain mechanisms sufficient for a conscious experience. Koch and colleagues describe this search as an attempt to identify the neural mechanisms that support specific conscious percepts, such as seeing a face or hearing a sound (Koch et al., 2016).
Different theories emphasize different mechanisms. Global neuronal workspace theory proposes that information becomes conscious when it is globally broadcast across large-scale brain networks, making it available for report, memory, attention, and flexible action. Mashour and colleagues review evidence linking conscious access with widespread cortical communication, attention, and working memory (Mashour et al., 2020).
Integrated information theory focuses on how consciousness depends on the brain’s capacity to integrate information into a unified experience. Recurrent processing theories emphasize feedback loops between sensory areas. Higher-order theories suggest that consciousness depends on the brain representing its own mental states. Predictive processing theories view perception as active inference, where the brain continuously predicts and updates experience.
Recent adversarial collaboration work compared predictions from integrated information theory and global neuronal workspace theory and found results that supported some predictions while challenging key claims of both theories (Melloni et al., 2025). This is important because consciousness science is not settled. It is becoming more testable.
The main brain systems involved include posterior cortical regions, frontoparietal networks, thalamocortical loops, sensory cortices, the brainstem arousal system, the default mode network, and large-scale connectivity patterns.
3. What Neuroscience Practitioners, Neuroplasticians and Well-being Professionals Should Know About Consciousness
A coach may work with a client who says, “I want to become more conscious.” One client may mean more mindful. Another may mean less reactive. Another may mean more emotionally aware. Another may be describing dissociation, trauma, fatigue, or depression. The same word can point to very different nervous system states.
This is an illustrative example, not a scientific case.
Practitioners should know that consciousness is not a single simple switch. A person can be awake but not fully attentive. They can be responsive but emotionally disconnected. They can be aware of the environment but not aware of their own body signals. In clinical neuroscience, consciousness is often discussed through levels and contents. Level refers to wakefulness or arousal. Content refers to what is experienced.
One common myth is that if someone cannot respond, they must not be conscious. Research on disorders of consciousness has challenged that assumption. Owen and colleagues used fMRI mental imagery tasks to show preserved awareness in a patient diagnosed as being in a vegetative state, with the patient showing brain activation patterns similar to healthy volunteers when imagining playing tennis or moving through a house (Owen et al., 2006).
Another myth is that neuroscience has already solved consciousness because we can image the brain. Brain imaging gives us powerful correlates, but correlation is not the same as full explanation. Seth and Bayne emphasize that consciousness theories still differ in what they aim to explain and how their predictions should be tested (Seth & Bayne, 2022).
Professionals often encounter questions such as:
- Is consciousness the same as attention?
- Can meditation change consciousness?
- Can people be conscious without being able to respond?
The answer is that consciousness overlaps with attention, self-awareness, memory, and arousal, but it is not identical to any one of them. For practitioners, the safest approach is to use the term clearly and avoid overclaiming.
4. How Consciousness Affects Neuroplasticity
Consciousness affects neuroplasticity because what we repeatedly notice, interpret, and act upon becomes part of the brain’s learning history. Awareness changes what enters practice. Practice changes what becomes automatic. A client who becomes conscious of a stress trigger can begin to interrupt it. A client who remains unaware may keep repeating the same pattern without choice.
Neuroplasticity does not require constant conscious control. Many forms of learning occur outside awareness. But conscious awareness can guide attention, motivation, reflection, and intentional practice. This is why mindfulness, cognitive reframing, metacognition, and self-observation can be powerful in applied neuroscience settings. They help bring hidden patterns into view.
Consciousness research also teaches humility. Neural markers of consciousness are not always obvious from behavior alone. Casali and colleagues developed a perturbational complexity index designed to assess consciousness independently of sensory processing and behavior by measuring the complexity of brain responses to magnetic stimulation (Casali et al., 2013). This matters because a brain may hold more capacity than outward behavior suggests.
In everyday neuroplasticity practice, consciousness can be understood as the doorway to intentional change. When a client notices a thought, feeling, body signal, or behavior while it is happening, the prefrontal cortex has a better chance of influencing the next response. When that new response is repeated, the brain begins to learn a new pathway.
The goal is not to be conscious of everything. That would be overwhelming. The goal is to become conscious of the patterns that matter most.
5. Neuroscience-Backed Interventions to Support Conscious Awareness
Behavioral interventions matter because consciousness is not only something scientists study in laboratories. In practice, clients often need help becoming aware of body signals, emotional patterns, attention habits, and automatic reactions. The main challenge is that awareness can be either regulating or overwhelming. Practitioners should help clients build consciousness gradually, safely, and with clear purpose.
1. The Attention Versus Awareness Check
Concept: Consciousness and attention overlap, but they are not identical. Global neuronal workspace theory links conscious access with attention, reportability, and large-scale broadcasting (Mashour et al., 2020), while broader theory reviews show that consciousness theories differ in how they relate awareness to attention (Seth & Bayne, 2022).
Example: A practitioner works with a client who says, “I was aware of the meeting, but I was not really present.” The practitioner helps them distinguish where attention was directed and what they were consciously experiencing.
Intervention:
- Ask the client, “What were you paying attention to?”
- Then ask, “What were you aware of in your body?”
- Identify whether attention was narrow, scattered, or flexible.
- Ask what was conscious but ignored.
- Choose one cue to bring into awareness next time.
2. The Body-Based Consciousness Pause
Concept: Conscious awareness often includes interoception, the sensing of internal body states. Critchley and colleagues found that activity in the right anterior insula predicted accuracy in heartbeat detection and was linked with subjective visceral awareness (Critchley et al., 2004). Craig later proposed that the anterior insula plays a central role in how internal body states become subjective feelings and conscious awareness (Craig, 2009).
Example: A wellbeing professional supports a client who only notices stress after they explode or shut down. The practitioner teaches a 60-second pause to bring body signals into awareness earlier.
Intervention:
- Pause and notice breath, shoulders, jaw, chest, stomach, and hands.
- Name one sensation without judging it.
- Ask, “Is this signal asking for action, rest, boundary, or support?”
- Choose one small response.
- Practice at low-stress moments before using it in high-stress moments.
3. The Metacognitive Reframe
Concept: Higher-order theories suggest that consciousness involves the brain representing or monitoring its own mental states. Seth and Bayne describe higher-order theories as one major approach to explaining consciousness (Seth & Bayne, 2022).
Example: A coach works with a client who says, “I am failing.” The practitioner helps them shift from being inside the thought to noticing the thought: “I am having the thought that I am failing.”
Intervention:
- Ask the client to state the thought plainly.
- Add the phrase, “I am noticing the thought that…”
- Ask what emotion accompanies the thought.
- Ask whether the thought is a fact, prediction, memory, or fear.
- Choose one action based on values rather than automatic reaction.
4. The Consciousness Safety Boundary
Concept: Research in disorders of consciousness shows that outward responsiveness may not fully reveal inner awareness. Owen and colleagues demonstrated that fMRI mental imagery tasks could detect awareness in a patient who appeared behaviorally unresponsive (Owen et al., 2006).
Example: A practitioner working in a healthcare or caregiving context reminds staff and families to speak respectfully around patients with impaired responsiveness because consciousness may not be obvious from behavior alone.
Intervention:
- Use respectful language around nonresponsive or minimally responsive clients.
- Avoid assuming absence of awareness based only on outward behavior.
- Encourage clinical assessment by qualified professionals.
- Support family members with compassionate communication guidance.
- Stay within scope and refer medical questions to appropriate clinicians.
6. Key Takeaways
Consciousness remains one of the greatest questions in neuroscience. We have learned a great deal about brain networks, arousal systems, neural correlates, sleep, anesthesia, attention, and disorders of consciousness. Yet the deepest question remains: how does brain activity become subjective experience?
For practitioners, the mystery is not a weakness. It is an invitation to be precise, humble, and ethical. We may not fully understand consciousness yet, but we can still help clients build awareness, reflection, regulation, and choice.
- Consciousness involves subjective experience, not just brain activity.
- Neuroscience studies consciousness through perception, attention, sleep, anesthesia, brain injury, and reportability.
- Major theories include global workspace, integrated information, higher-order, recurrent processing, and predictive processing theories.
- No single theory has fully explained consciousness.
- Conscious awareness can support neuroplasticity by helping clients notice and change repeated patterns.
- Practitioners should use consciousness language carefully, especially in trauma, dissociation, and medical contexts.
7. References
- Casali, A. G., Gosseries, O., Rosanova, M., Boly, M., Sarasso, S., Casali, K. R., Casarotto, S., Bruno, M. A., Laureys, S., Tononi, G., & Massimini, M. (2013). A theoretically based index of consciousness independent of sensory processing and behavior. Science Translational Medicine, 5(198), 198ra105. https://orbi.uliege.be/handle/2268/171542
- Craig, A. D. (2009). How do you feel now? The anterior insula and human awareness. Nature Reviews Neuroscience, 10, 59–70. https://www.nature.com/articles/nrn2555
- Critchley, H. D., Wiens, S., Rotshtein, P., Öhman, A., & Dolan, R. J. (2004). Neural systems supporting interoceptive awareness. Nature Neuroscience, 7, 189–195. https://www.nature.com/articles/nn1176
- Koch, C., Massimini, M., Boly, M., & Tononi, G. (2016). Neural correlates of consciousness: Progress and problems. Nature Reviews Neuroscience, 17, 307–321. https://www.nature.com/articles/nrn.2016.22
- Mashour, G. A., Roelfsema, P., Changeux, J. P., & Dehaene, S. (2020). Conscious processing and the global neuronal workspace hypothesis. Neuron, 105(5), 776–798. https://www.cell.com/neuron/fulltext/S0896-6273%2820%2930052-0
- Melloni, L., Mudrik, L., Pitts, M., et al. (2025). Adversarial testing of global neuronal workspace and integrated information theories of consciousness. Nature. https://www.nature.com/articles/s41586-025-08888-1
- Owen, A. M., Coleman, M. R., Boly, M., Davis, M. H., Laureys, S., & Pickard, J. D. (2006). Detecting awareness in the vegetative state. Science, 313(5792), 1402. https://europepmc.org/article/MED/16959998
- Seth, A. K., & Bayne, T. (2022). Theories of consciousness. Nature Reviews Neuroscience, 23, 439–452. https://www.nature.com/articles/s41583-022-00587-4
