The psychedelic DMT causes the brain to become hyperconnected, scans reveal
Researchers gave 20 healthy subjects potent, intravenous doses of the psychedelic DMT and observed their brains. Here's what they found.
Dumbing down or wising up: how will generative AI change the way we think?
Artificial intelligence tools are now managing huge swathes of information on our behalf, potentially changing what and how we think.
A short history of insomnia and how we became obsessed with sleep
Insomnia is big business and getting bigger. When did sleep become so important, so elusive, and so expensive?
New brain implant for depression tested in people for the first time
A tiny brain implant designed for at-home neurostimulation has been demonstrated in people for the first time.
Molecule reduces inflammation in Alzheimer’s models
A potential new Alzheimer’s drug represses the harmful inflammatory response of the brain’s immune cells, improving cognition in tests.
An enormous study links intelligence and personality in surprising ways
A database containing over 1,300 studies from across the world establishes reliable relationships between personality traits and cognitive abilities.