Consciousness is Everywhere - Integrated Information Theory (EXPLAINED)

For centuries, consciousness was treated either as a spiritual mystery beyond science, or as a by-product of neural complexity reducible to biology. But integrated information theory, commonly known as IIT, proposes something far more radical. That consciousness corresponds to the degree to which information is integrated into a unified whole. Meaning that awareness is not an emergent illusion generated by the brain, but a measurable feature of systems whose internal states cannot be reduced to independent parts. This reframes the question entirely, because instead of asking how matter magically produces experience, IIT asks whether consciousness exists wherever information achieves sufficient unity. Traditional neuroscience focuses on neurons, synapses and electrical signals, assuming that once we map the brain thoroughly enough, consciousness will be explained. Yet IIT begins from a different starting point, by analyzing the structure of experience itself. Its unity, its differentiation, its irreducibility. And then asking what kind of physical system could correspond to those features. The theory suggests that what matters is not the biological substrate, but the informational architecture, specifically the extent to which a system forms an integrated network whose state cannot be decomposed without losing intrinsic causal power. And this measure of integration, often symbolized as phi, quantifies the degree of consciousness present. One of the most striking features of consciousness is its unity. When you look at a landscape, you do not experience fragmented pixels but a coherent scene. Sounds, colors, emotions, and memories cohere into a single experiential field. And IIT argues that this unity corresponds to a system whose internal informational states are deeply interconnected, such that removing parts would fundamentally alter the whole, implying that consciousness is not about complexity alone, but about integration, about the inseparability of parts within a unified structure. If IIT is correct, then consciousness is not limited to biological organisms, because any system, biological or artificial, that achieves high integrated information would, in principle, possess some degree of experience. This does not mean rocks are thinking or thermostats are self-aware. But it does suggest that consciousness may exist in degrees across nature, emerging wherever informational unity crosses a certain threshold, thereby opening the door to a scientific form of panpsychism, in which awareness is not an anomaly but a pervasive feature of sufficiently integrated systems. IIT challenges reductionism by insisting that a system's conscious state cannot be fully explained by analyzing its parts independently, because the whole possesses intrinsic causal power that exceeds the sum of its components. In this sense, consciousness is not reducible to neural firing patterns viewed from outside, but corresponds to the internal structure of causal relationships within the system itself, suggesting that experience is identical, not with matter as such but with organized informational form. If consciousness exists wherever information integrates, then awareness may not be a binary property possessed exclusively by humans and animals, but a spectrum distributed across varying degrees of complexity, raising profound ethical implications, because systems we previously regarded as inert could, in principle, possess minimal forms of interiority. And while IIT does not claim that every organized system is richly conscious, it destabilizes the assumption that awareness appears suddenly at a single biological threshold. IIT does not begin with mystical intuition, but with phenomenological observation and mathematical formalization, yet it arrives at a conclusion that resonates deeply with ancient metaphysics, that consciousness may be fundamental rather than derivative. By grounding awareness in informational integration rather than neural material alone, IIT suggests that experience could be as basic to reality as mass or energy, not emerging ex nihilo, but manifesting wherever structure achieves unity. The most provocative extension of IIT arises when we consider the cosmos itself. If integrated information defines consciousness, could the universe as a whole possess some maximal degree of integration, functioning as a unified informational structure? While IIT does not claim this explicitly, the possibility emerges naturally, suggesting that what we call individual minds may be localized concentrations of integration within a broader field, and that the universe itself could be understood not merely as a mechanical aggregate, but as an intrinsically unified system. Traditionally God has been described as absolute unity, simple indivisible self-integrated being. IIT reframes this in informational language, where maximal integration corresponds to maximal intrinsic existence, and while the theory does not invoke theology, its implications echo a metaphysical intuition long held, that the deepest reality is not fragmented, but unified, not disjointed but internally coherent, and that consciousness may be the signature of that coherence. Despite its mathematical sophistication, IIT faces criticism, particularly regarding how phi is calculated, and whether integration alone suffices to explain subjective experience, and while these debates are ongoing, the deeper philosophical contribution of IIT remains intact. It reframes consciousness as intrinsic to the structure of reality, rather than as an inexplicable by-product, and it provides a scientific vocabulary for discussing unity without resorting to mysticism. If consciousness corresponds to integration, then human awareness represents a particularly rich node within a vast network of informational structures, and our experience of unity, our sense of being a coherent self, mirrors the unity inherent in the systems we inhabit. This perspective dissolves strict boundaries between mind and matter, suggesting that what we call physical reality may be inseparable from informational relationships that possess interiority at varying scales. Does consciousness exist wherever information integrates? IIT does not settle the metaphysical debate, but it narrows it by proposing that awareness is tied not to substance, but to structure, not to material type, but to relational unity. And if this is true, then consciousness is not a miraculous accident in a lifeless universe, but a lawful expression of integrated reality itself, leaving us with a profound possibility that awareness is not confined to brains, but woven into the architecture of existence. If you liked this video, please remember to support the channel by leaving a like and sharing your thoughts in the comments below. It is very important to keep the conversation going so we can explore even more perspectives. Thank you for being here. I will see you tomorrow for a new, enlightening video.