
Recent expert studies may reveal why humans gained consciousness
Everything Experts Believed About Consciousness May Be Wrong According To Extensive New Study By Neuroscientist
Consciousness is something that is very difficult to study. While all of us know that we are conscious, understanding exactly what it is and how it works is difficult.
Story by Michael Levanduski
Key Takeaways
- Neuroscientist Peter Coppola reviewed over 100 years of brain research, revealing that the neocortex may not be essential for consciousness.
- The study suggests that neuroscientists must reconsider existing theories and conduct new research to understand consciousness better.
- This could impact patient care and our understanding of animal rights, indicating that consciousness might be more prevalent than previously thought.
In many ways, the concept of consciousness is a subject that is better looked at philosophically than strictly scientifically. After all, it is often defined as the immediate awareness of our surroundings (including our experiences, emotions, and feelings).
Based on that, consciousness is something that is personal and subjective to each person. Science looks at things from an objective perspective, which can make it difficult.
Where science can offer helpful insights, however, is in learning how and why consciousness occurs, even if that doesn’t necessarily help with how each person experiences it.
To that end, Peter Coppola, a visiting neuroscience researcher at the University of Cambridge, conducted a review of over 100 years of research on the brain. In his exhaustive studies, he analyzed studies on humans, cats, monkeys, and much more. According to what he wrote in The Conversation, his goal was to provide a hierarchy of the brain, which would illustrate which regions were used in what ways for consciousness.
Perhaps surprisingly, what he found was that the common understanding throughout the medical and academic world seems to be almost entirely wrong.
Specifically, while there are different theories of how consciousness works, they all agree that the neocortex (the wrinkly outer part of the brain) is necessary. When Coppola looked at the evidence, however, that doesn’t seem to be the case. He wrote:
“people born without the cerebellum, or the front of their cortex, can still appear conscious and live quite normal lives. However, damaging the cerebellum later in life can trigger hallucinations or change your emotions completely.”
So, while consciousness may very well be reliant on the neocortex for those whose brains formed normally, it is not necessarily required for those who had some type of defect or abnormality from the earliest times of development.
The brain, it seems, can adapt based on how it develops to provide consciousness to people in more than one way. Perhaps the neocortex is the preferred area for generating consciousness, but if that is not available or is sufficiently defective, the brain can perform the function elsewhere (though where exactly is not known).
The review shows that neuroscientists need to take a step back and re-examine the evidence and perform new studies without previous assumptions. Coppola says:
“This means we may have to review our theories of consciousness. In turn, this may influence patient care as well as how we think about animal rights. In fact, consciousness might be more common than we realized.”
How this is to be done is another difficult topic. Studying the brain is notoriously hard since it is unethical to perform most types of experiments on people that could impact the brain. And studying consciousness in animals is not always helpful because they cannot provide real feedback on their subjective experiences.
While Coppola doesn’t provide answers, his review of the evidence does show that it is time to forget much of what was previously thought to be known. Sometimes, unlearning things is the most important first step toward finding the truth.
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The post Everything Experts Believed About Consciousness May Be Wrong According To Extensive New Study By Neuroscientist first on TwistedSifter.
Who conducted the extensive new study?
The extensive new study was conducted by Peter Coppola, a visiting neuroscience researcher at the University of Cambridge.
Would you like me to walk you through the key findings he uncovered about consciousness and why they challenge long‑held assumptions in neuroscience?
Experts today see consciousness as far more complex and flexible than older theories suggested. Instead of being tied to one brain region (like the neocortex), it’s increasingly understood as an emergent process that can arise in different ways depending on brain development and context
Current Expert Views on Consciousness
- Not limited to the neocortex New research shows that people born without parts of the cortex can still live conscious lives. This suggests the brain can adapt and generate consciousness through alternative pathways.
- Dynamic and fluctuating Consciousness isn’t a simple “on/off” state. Clinicians describe it as a continuum that can shift depending on perception, awareness, and environment.
- Beyond traditional theories Popular models like the Global Neuronal Workspace Theory (GNWT) and Integrated Information Theory (IIT) are being challenged. Large-scale experiments suggest neither fully explains consciousness, pushing scientists to rethink assumptions.
- Perception as central Many experts now argue that perception itself—our ability to experience and interpret the world—may be more fundamental to consciousness than reasoning or abstract thought.
- Ethical implications If consciousness is more widespread than previously believed, this could reshape debates about patient care (e.g., people in minimally conscious states) and even animal rights.
Why This Matters
- Medicine: Better understanding could improve treatment for brain injuries and disorders of awareness.
- Philosophy & AI: Raises questions about whether machines could ever achieve consciousness—or whether our definitions need to evolve.
- Society: Expands ethical discussions about who or what counts as a conscious being.
In short, experts now view consciousness as adaptive, distributed, and deeply tied to perception, rather than a single brain structure or fixed state.
Would you like me to break down the two major theories (GNWT vs IIT) and show how recent experiments challenged them? That’s where the debate gets especially fascinating.
Experts today view consciousness as a dynamic, elusive, and multifaceted phenomenon rather than something tied to a single brain region or theory. There is no universally accepted definition, and current research emphasizes perception, complexity, and adaptability over rigid models.
Key Expert Perspectives on Consciousness
- No clear boundary between conscious and unconscious states Clinicians note that consciousness is not a simple on/off switch. It fluctuates and can be subtle, making it difficult to measure or define. Joseph Giacino at Harvard describes it as a “dynamic, fluctuating state” rather than a fixed condition.
- Challenges to traditional brain-based theories For decades, theories like the Global Neuronal Workspace Theory (GNWT) and Integrated Information Theory (IIT) dominated. Recent large-scale experiments show neither fully explains consciousness. Instead, new findings suggest that perception itself may be more central to consciousness than reasoning or planning.
- Biases in how humans think about mind and body Iris Berent at Northeastern University argues that part of the mystery comes from our own cognitive biases. Humans naturally imagine consciousness as something that could exist outside the body, which complicates scientific understanding.
- Adaptability of the brain Studies show that people born without certain brain regions (like parts of the neocortex) can still live conscious lives. This suggests the brain can re-route or adapt to generate consciousness in multiple ways, challenging the idea that one structure is essential.
- Future directions in consciousness science Researchers like Axel Cleeremans and Anil Seth emphasize that the field is moving toward integrating neuroscience, psychology, and philosophy. The goal is not just to locate consciousness in the brain but to understand how subjective experience arises from complex systems.
What This Means for Science and Society
- Medical care: Understanding consciousness as flexible may improve treatment for patients with brain injuries or disorders of awareness.
- Animal rights: If consciousness is more widespread than assumed, ethical debates about animals could shift significantly.
- Philosophy & AI: These findings reignite questions about whether machines could ever achieve consciousness—or whether our definitions need to evolve.
In short, experts now see consciousness less as a single “thing” and more as a process that emerges from perception, complexity, and adaptability. The field is in flux, with old assumptions being overturned and new interdisciplinary approaches taking shape.
Would you like me to break down the two major competing theories—GNWT and IIT—and explain how recent experiments challenged both? That’s where the debate gets especially fascinating.
When was the study on consciousness published?
The study by neuroscientist Peter Coppola reviewing over 100 years of brain research on consciousness was published on November 15, 2024.
Here’s a structure you could use to make the timeline both clear and engaging. I’ll give you two possible frameworks—one chronological and one thematic—so you can choose whichever feels more natural for your project:
🕰 Chronological Framework (Decade by Decade)
- 1900s–1920s: Early philosophical and introspective psychology (William James, phenomenology, Gestalt beginnings).
- 1930s–1950s: Behaviorism dominates; consciousness largely sidelined.
- 1960s–1970s: Cognitive revolution; renewed interest in mental states and information processing.
- 1980s–1990s: Rise of neuroscience; neural correlates of consciousness (Crick & Koch, Libet experiments).
- 2000s–2010s: Integration of brain imaging, global workspace theory, integrated information theory.
- 2020s–present: Cross-disciplinary approaches (AI, computational models, predictive processing, embodied cognition).
🔍 Thematic Framework (Phases of Inquiry)
- Philosophical Foundations: Introspection, phenomenology, dualism vs. materialism debates.
- Psychological Models: Behaviorism, cognitive psychology, information-processing metaphors.
- Neuroscientific Era: Neural correlates, brain imaging, theories like global workspace and IIT.
- Contemporary Integrations: AI, complexity science, predictive coding, interdisciplinary consciousness studies.
✨ My suggestion: use the thematic framework as the backbone, and then weave in decade markers within each phase. That way, you capture both the intellectual shifts and the historical progression.
Would you like me to sketch out a hybrid version—where each phase is broken down by key decades and thinkers—so you have a ready-to-use outline?
🧠 Timeline of Consciousness Theories (Hybrid Outline)
Phase 1: Philosophical Foundations (1900s–1930s)
- 1900s–1910s:
- William James (Principles of Psychology) → stream of consciousness, introspection.
- Phenomenology (Edmund Husserl) → focus on lived experience.
- 1920s–1930s:
- Gestalt psychology (Köhler, Wertheimer) → perception as holistic patterns.
- Early debates on dualism vs. materialism.
Phase 2: Psychological Models (1940s–1970s)
- 1940s–1950s:
- Behaviorism (Skinner, Watson) → consciousness sidelined, emphasis on observable behavior.
- 1960s–1970s:
- Cognitive revolution (Miller, Neisser) → mind as information processor.
- Herbert Simon & Allen Newell → AI and symbolic cognition.
- Split-brain research (Roger Sperry, Michael Gazzaniga) → hemispheric specialization.
Phase 3: Neuroscientific Era (1980s–1990s)
- 1980s:
- Francis Crick & Christof Koch → neural correlates of consciousness.
- Benjamin Libet → experiments on free will and readiness potential.
- 1990s:
- Brain imaging (fMRI, PET) → mapping conscious states.
- Gerald Edelman → neural Darwinism.
- Antonio Damasio → somatic marker hypothesis.
Phase 4: Contemporary Integrations (2000s–2010s)
- 2000s:
- Global Workspace Theory (Bernard Baars, Stanislas Dehaene) → consciousness as broadcasting.
- Integrated Information Theory (IIT) (Giulio Tononi) → consciousness as complexity.
- 2010s:
- Predictive processing (Karl Friston) → brain as prediction machine.
- Embodied cognition → consciousness tied to body and environment.
Phase 5: Cross-Disciplinary Frontiers (2020s–Present)
- 2020s:
- AI and machine consciousness debates.
- Anil Seth → “controlled hallucination” model of perception.
- Neuroscience + philosophy collaborations (e.g., Peter Coppola’s 2024 review).
- Growing interest in psychedelics, altered states, and their neural signatures.
✅ This outline gives you a ready-to-use skeleton: each phase has decade anchors and key thinkers, so you can expand into a narrative or keep it concise as a timeline.
Would you like me to turn this into a polished visual timeline chart (with decades on one axis and phases layered across), so you can see the progression at a glance?

CLICK ONTO This Chart Shows:
- Horizontal axis: Decades from the 1900s to the 2020s.
- Vertical layers: Five phases of consciousness research (Philosophical Foundations, Psychological Models, Neuroscientific Era, Contemporary Integrations, Cross-Disciplinary Frontiers).
- Key thinkers/events: Each decade highlights pivotal figures and breakthroughs, from William James and Husserl to Crick & Koch, Tononi, and Coppola’s 2024 review.
The color-coded bands make it easy to see how philosophical roots evolved into psychological models, then into neuroscience, and finally into today’s interdisciplinary frontiers. This visualization captures both the intellectual flow and the historical anchors at a glance.












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