Giulio Tononi on Consciousness and Phi

Our brain goes through different stages of consciousness during the night.

Nowadays, consciousness is assumed to reside in the head. But that hardly helps with the question of where and how.

A complex system of brain structures is necessary for the conscious perception of our surroundings.

Our thoughts, actions, and perceptions often occur without our awareness.

Adrian Owen and colleagues use brain scans to search for the hidden minds of coma patients.