Consciousness Isn't in the Cortex

Episode Overview

• Psychoanalyst and neuropsychologist Dr. Mark Solms discusses the evolutionary origins of the human mind, explaining why consciousness is rooted in subcortical feelings rather than cortical perception.
• The discussion reframes consciousness by moving away from human-level cognitive functions toward the most primitive, raw form of subjective experience: basic affect and feeling.
• Dr. Solms bridges the objective study of the physical brain with the subjective study of the lived mind, validating historical psychoanalytic theories through modern neuroscientific evidence.
• The narrative shifts from clinical brain injuries to evolutionary biology and thermodynamics, demonstrating how conscious feeling is a physical necessity for any self-organizing system trying to survive in an unpredictable world.

Key Concepts

• The Reductive Approach to Consciousness: Traditional neuroscience often commits a methodological error by studying consciousness through its most complex form—human cortical perception. To find the true origin of consciousness, researchers must start with its simplest, most primitive subcortical form: raw, affective feeling (sentience).
• The "Something It Is Like" Definition: Drawing from philosopher Thomas Nagel, consciousness is defined by subjectivity. An organism is conscious if there is "something it is like" to be that organism, shifting the focus of consciousness studies from cognitive thinking to subjective feeling.
• Self-Organizing Systems and the Origins of Subjectivity: Consciousness is structurally tied to self-organizing biological systems that actively resist entropy to survive. For a system to persist, it must operate under a "value system" where continuing to exist is "good" and dissipating is "bad," establishing the baseline of subjectivity.
• Categorical Variables and Qualia: Biological needs (like hunger, thirst, and sleep) cannot be reduced to a single common denominator because each must be met individually to prevent death. To manage this, the brain represents these needs as qualitatively distinct feelings, which is the evolutionary origin of qualia (the subjective quality of conscious experiences).
• Neuropsychoanalysis: This discipline integrates the objective, physical study of the brain (neuroscience) with the subjective study of the human mind and lived experience (psychoanalysis) to create a complete model of the mind.
• The Double-Dissociation of Dreaming and REM Sleep: Neuropsychoanalytical research proved that REM sleep and dreaming are controlled by entirely different brain systems. Patients with brainstem damage can lose REM sleep but continue to dream, while patients with forebrain damage can lose the ability to dream while retaining REM sleep.
• The Brain Reward System as the Generator of Dreams: Dreams are generated by the mesocortical-mesolimbic dopamine pathway (the brain reward, seeking, or wanting system). This objective discovery supports Sigmund Freud's subjective theory that dreams are driven by motivation and unconscious "wishfulness."
• The Evolutionary Purpose of Affect (Feeling): Affect is an extension of homeostasis. While basic homeostatic functions operate unconsciously and reflexively, affect arises to help an organism consciously evaluate how well it is surviving in novel situations where automatic reflexes are insufficient, enabling voluntary choice and adaptive learning.
• Feelings as Prioritized Affects: While multiple affective states exist simultaneously in the brain, a "feeling" is specifically the affect that has been prioritized by the brain's subcortical decision-making structures to command conscious attention and guide immediate action.
• The Midbrain Decision Triangle: Bottom-up action selection is mediated by a midbrain system consisting of three key structures: the superior colliculi (which map current environmental opportunities), the periaqueductal gray (which evaluates current internal homeostatic needs), and the midbrain motor fields (which initiate the chosen action).
• The Primacy of Affective Consciousness: While scientific research historically focused on visual perception to study consciousness, perception is not inherently conscious. Conversely, affect (feeling) is intrinsically conscious, and the brainstem structures that generate raw feeling are neuroanatomically prerequisite for cortical perceptual awareness.
• Dual-Aspect Monism: A middle-ground ontology between dualism and materialism stating there is only one underlying physical system (the organism), but it can be observed from two perspectives: objectively from the outside (body/brain) or subjectively from the inside (mind).
• Nested Markov Blankets: Biological self-organization occurs in nested boundaries called Markov blankets. Individual cells have blankets, but when cooperating to form an organ or full organism, they defer their individual boundaries to the higher-level system. When cells break this hierarchy and act independently, biological pathologies like cancer arise.
• Life as a Battle Against Entropy: Drawing on the Free Energy Principle, life is defined as a persistent physical struggle to maintain order against the second law of thermodynamics. Sentience is the tool organisms use to navigate and minimize uncertainty to prolong survival.

Quotes

• At 0:01:04 - "If you're speaking about scientists, what they get wrong is thinking that we should start with the human variety of it in our attempts to understand it. The human variety of consciousness is the most complex form there is. So I think we should start with the simplest form... with basic raw feelings." - Explaining why studying cortical perception is a flawed starting point for finding the origin of consciousness.
• At 0:01:34 - "An organism is conscious if and only if there is something it is like to be that organism, something it's like for the organism. And you'll notice that that definition doesn't apply only to human beings." - Highlighting Thomas Nagel's definition to emphasize that consciousness is rooted in subjective experience rather than human-level cognition.
• At 0:04:35 - "Consciousness arises only in self-organizing systems... the defining feature of such systems is that they act in such a way as to persist, as to continue existing. Therefore, they have values. The value in question is that it is good to continue existing, and it's bad to dissipate." - Connecting the physical necessity of self-preservation to the psychological birth of values and subjectivity.
• At 0:05:50 - "You can't persist if you don't have that kind of structure, a structure that differentiates you from the frankly entropic universe... Self-organizing systems go in the opposite direction." - Explaining how living systems must maintain a boundary against the second law of thermodynamics, establishing a physical point of view.
• At 0:10:11 - "We have to sleep, and eat, and drink... Each one of these needs has to be met in its own right, which means they have to be treated as categorical variables. And categorical variables just are distinguished qualitatively... there you have the ground zero of qualia." - Providing a biological explanation for why feelings have distinct subjective qualities (qualia) rather than being represented by a single generic metric.
• At 0:11:38 - "Because we mammals can't look after ourselves when we're little, we need caregivers... the caregivers in turn need to look after us. So the needs of the mammal include this altruistic drive." - Explaining how social attachment and parenting instincts represent hardwired biological needs that expand subjective feelings beyond mere self-preservation.
• At 0:13:08 - "We will never understand how the brain works—what it does in terms of behavior—if we don't take account of its subjective aspect." - Making the foundational argument for neuropsychoanalysis, emphasizing that objective brain behavior is driven by subjective feelings.
• At 0:23:07 - "Neuropsychoanalysis is... an attempt to draw upon our knowledge base derived both from the objective study of the organ of the mind and the knowledge base derived from the subjective study of the being of the mind." - Defining the core mission of neuropsychoanalysis to bridge the gap between objective and subjective sciences.
• At 0:24:05 - "Neuroscience... lacks access to data like feelings. Feelings you can't see with your eyes, you can't measure them under a microscope. Feelings can only be observed from the point of view of the subject of the brain." - Explaining the fundamental limitation of purely objective neuroscience, highlighting why subjective experience is a necessary source of scientific data.
• At 0:25:32 - "The theories that psychoanalysts derive from their subjective observations lend themselves more readily to falsifiable experimental testing by neuroscientific methods than by purely subjective methods." - Showing how neuroscience benefits psychoanalysis by providing the objective tools needed to test, validate, or disprove subjective psychological theories.
• At 0:28:47 - "Science seeks to exclude the subjective, but you can't exclude the subjective if your subject matter is the mind, because the mind is... nothing but subjective." - Pointing out a major paradox in traditional psychology and cognitive science, emphasizing that trying to study the mind while ignoring subjectivity is conceptually flawed.
• At 0:34:39 - "In every dream, there's an attempt to fulfill a wish... That was Freud's psychological answer to that question." - Introducing the historical psychoanalytic perspective on why we dream, which Solms later validates using objective neuroscientific evidence.
• At 0:36:17 - "Dreaming and REM sleep, although they are correlated, they are not the same thing... dreaming is controlled by forebrain mechanisms." - Explaining a major scientific paradigm shift, proving that dreaming is a distinct psychological process separate from the physiological state of REM sleep.
• At 0:41:19 - "We will never understand how the brain works... if we don't take account of its subjective aspect." - Reassuring the necessity of integrating subjective experience into brain research to truly make sense of human behavior and mental life.
• At 0:48:05 - "Feeling always has to be conscious. You can't have a feeling that you don't feel. So feeling is the affect which is prioritized, which is the one that comes to consciousness." - Explaining the distinction between unconscious homeostatic regulation and the felt experience of prioritized biological needs.
• At 0:48:33 - "Voluntary action is guided by this mechanism of choice: if things are going badly, I change my mind, and I do something differently until it goes well, in other words, until it feels better." - Connecting the evolutionary utility of conscious feeling directly to the capacity for flexible, voluntary behavior as opposed to rigid reflex.
• At 0:51:15 - "Memories are about the past, but they are for the future." - Outlines the predictive nature of memory, showing that the brain uses past experiences to generate hypotheses about how to behave to satisfy current needs.
• At 0:53:50 - "The hard problem is hard, but that doesn't mean it's insoluble." - Reflecting on David Chalmers' formulation of the "hard problem of consciousness," arguing that it remains a legitimate, solvable scientific problem.
• At 0:59:57 - "The mechanism of visual perception is not what gives rise to consciousness. Visual perception is not an intrinsically conscious function. What is an intrinsically conscious function is feeling." - Challenges the historical neuroscientific focus on vision, pointing out that complex perception can occur unconsciously, whereas feeling cannot.
• At 1:01:23 - "If you can't create it, you don't understand it." - Quotes physicist Richard Feynman to argue that the ultimate test of any neuroscientific theory of consciousness is the successful engineering of an artificial agent capable of feeling.
• At 1:14:52 - "There are some unfortunate children born with no cortex... but they are not unconscious. They are feeling beings; they express a wide range of emotions and bodily needs that they feel." - Explaining the empirical foundation for subcortical consciousness through the clinical reality of hydranencephaly.
• At 1:18:14 - "Richard Feynman on his deathbed had written on his blackboard: 'What I cannot create, I do not understand.' ... If you really are going to claim that you have identified the functional mechanism as to how feeling arises, then you should be able to engineer an artificial feeling." - Explains why Solms views synthetic/artificial consciousness as the ultimate litmus test for scientific understanding.
• At 1:19:36 - "Voluntary behavior requires you to use your musculoskeletal system, which can only do one thing at a time... you have to choose which one am I going to do. And the one that is prioritized is the one where you feel how well or badly this is going." - Explains the evolutionary function of feeling as a prioritization mechanism to resolve action selection conflicts.
• At 1:21:11 - "You can look at him from the outside, you see a body. You can be him from the inside, you experience a mind. These are dual-aspect monism; they are observational perspectives upon one and the same thing." - Illustrating his ontological position using the simple act of waking up versus looking in a mirror.
• At 1:23:01 - "They defer to the organism as a whole... they don't function in an independent acting way. That's how malignancies arise when cells do do that—they go rogue, and then the organism dies." - Explaining how nested Markov blankets govern collective intelligence and cellular cooperation.
• At 1:26:22 - "Life is a battle against the second law of thermodynamics, and we postpone our oblivion for as long as possible, but in the end we fail." - Connecting the physics of entropy directly to mortality and biological limits.

Takeaways

• Shift the Scientific Focus to Subcortical Brain Structures: To understand the core of consciousness, focus on subcortical structures like the brainstem rather than the cerebral cortex, as the brainstem generates the foundational raw glow of feeling.
• Acknowledge the Biological Validity of Dreams: Recognize that dreams are driven by the brain's dopaminergic seeking and reward system. This validates the concept that dreaming is a highly motivated, wish-fulfilling psychological process.
• Distinguish REM Sleep from Dreaming: Separate REM sleep and dreaming in both clinical and conceptual frameworks, as they are controlled by distinct brain networks and can be functionally dissociated.
• Use Feelings as a Navigational Tool: Treat conscious feelings (affect) as evolutionary navigation signals designed to guide action in novel situations where automatic habits and reflexes are insufficient.
• Unify Subjective and Objective Data: When studying the mind or treating mental health, integrate objective physical metrics (neuroscience) with subjective, lived reports (psychoanalysis) to get a complete picture of the patient's state.
• Study Clinical Exceptions to Challenge Dogma: Look to clinical cases, such as children with hydranencephaly, to challenge entrenched assumptions in neuroscience regarding the cortical origin of consciousness.
• Understand Altruism as a Biological Drive: Recognize that social connection, care, and altruistic behavior are hardwired mammalian drives (the CARE and PANIC/GRIEF systems) rather than purely cultural or cognitive constructs.
• Test Psychological Theories with Falsifiable Methods: Apply objective neuroscientific testing to subjective psychological and psychoanalytic models to validate, refine, or discard them based on physical brain mechanics.
• Frame Biological Systems via the Free Energy Principle: Analyze living systems as entities that must continuously minimize entropy and uncertainty to maintain their physical boundaries (Markov blankets) and survive.
• Use Synthetic Modeling to Verify Theories: View the creation of synthetic, artificial systems that can feel as the ultimate benchmark to verify whether a neuroscientific theory of consciousness is functionally correct.