There’s been a surge of new research in this space. For instance, in a recent 2025 study in the Journal of Neuroscience, ...

Consciousness is not just a bunch of different levels. It's a group of different states, of which the best worked out are those involving wakefulness and the different stages of sleep.

A recent conversation on Reddit is all about an illustration from one of my books. It’s a diagram showing a 3D space with lots of different states of consciousness depicted as blobs floating in ...

States of Consciousness Consciousness doesn't just have an "on" and "off" switch. Instead, it comes in different stages and levels that can vary and shift throughout the day.

Neuroscientists have now devised a single metric of brain activity that could help to distinguish between different states of consciousness and guide medical treatment for people with brain injuries.

A look at some of the differences between states of consciousness and brain death: Brain death: These patients are no longer alive. There has been an irreversible cessation of all activity in both ...

“We use neurochemical and neurophysiological approaches, including brain network changes, to understand the mechanistic basis of different states of consciousness and our ongoing work with ...

Empirically studying consciousness Koch’s empirical study of consciousness includes studying the brain by putting people in a scanner and examining the parts of the brain that are active as people ...

Altered states of consciousness In my view, the key to understanding Tees surrounds altered states of consciousness. The sudden shock of an accident may disrupt our normal psychological processes, ...

The editors at Communications Psychology invite research manuscripts investigating states of consciousness, as for example induced by psychoactive substances, hypnosis, meditation, or arising as a ...