Prefer Newsweek on Google to see more of our trusted coverage when you search. The extreme mental and physical fatigue brought on by long COVID may be a result of structural changes in the brain, new ...

When a magnet is heated up, it reaches a critical point where it loses magnetization. Called "criticality," this point of high complexity is reached when a physical object is transitioning smoothly ...

A new study shows how the hippocampus binds place and emotion, replaying threat more vividly during sleep to shape memory, ...

Neuroscientists have observed for the first time how structures deep in the brain are activated when the brain becomes aware of its own thoughts, known as conscious perception. The brain is constantly ...

A study of nearly 10,000 adolescents has identified distinct differences in the brain structures of those who used substances before age 15 compared to those who did not. Many of these structural ...

Scientists from Johns Hopkins Medicine report new evidence that clusters of brain tissue derived from the cells of patients with Alzheimer’s disease may be used to evaluate how ...

The symptoms of schizophrenia vary greatly from person to person. A new study shows how these differences manifest themselves in the structure of the brain. Schizophrenia is a complex mental health ...