Cognitive neuroscientist Donald Hoffman argues neurons don't exist unperceived and don't cause behavior. They are a "headset" or user interface representing a deeper reality. Studying them is crucial, but only to reverse-engineer the software running the simulation, not to find the source of consciousness.

Hoffman's theory posits that our perceived world is not a persistent, objective reality but a simulation that is rendered only when an observer looks at it. According to this model, when you look away from an object, it ceases to exist and is only re-rendered upon observation.

Leading theoretical physicists, like Nima Arkani-Hamed, now posit that spacetime is not the base layer of reality. It's an emergent construct, similar to a VR headset's interface, projected from a deeper, non-physical framework. This is a consensus among many high-energy physicists exploring what lies beyond quantum field theory and gravity.

Consciousness isn't an emergent property of computation. Instead, physical systems like brains—or potentially AI—act as interfaces. Creating a conscious AI isn't about birthing a new awareness from silicon, but about engineering a system that opens a new "portal" into the fundamental network of conscious agents that already exists outside spacetime.

The question of how consciousness emerges from physical systems like AI is flawed. Hoffman argues consciousness is fundamental. A physical object, be it a brain or silicon chip, is merely a limited "headset" representation of an underlying conscious reality. Consciousness doesn't emerge from matter; matter is a symbol for consciousness.

According to Hoffman's theory, what lies 'outside the headset' of our perception is not physical. Instead, the fundamental layer of reality consists of a network of interacting observers or 'conscious agents.' These can be described mathematically (as Markov chains), and our perceived physical world, including spacetime, is a projection generated by their interactions.

Physicists are finding structures beyond spacetime (e.g., amplituhedra) defined by permutations. Hoffman's theory posits these structures are the statistical, long-term behavior of a vast network of conscious agents. Physics and consciousness research are unknowingly meeting in the middle, describing the same underlying reality from opposite directions.

Cognitive scientist Donald Hoffman argues that spacetime and physical objects are a "headset" or VR game, like Grand Theft Auto. This interface evolved to help us survive by hiding overwhelming complexity, not to show us objective truth. Our scientific theories have only studied this interface, not reality itself.

To move from philosophy to science, abstract theories about consciousness must make concrete, falsifiable predictions about the physical world. Hoffman's work attempts this by proposing precise mathematical links between conscious agent dynamics and observable particle properties like mass and spin.