People who experience psychosis have somewhat lower tested intelligence, with a higher proportion of psychotic individuals scoring below the mean score of 100 on IQ tests. However, it may be the case ...

Deficits in the part of memory that forms contextual relationships between individual items in daily life appear to be common in the early stages of psychosis. Deficits in relational memory — the part ...

Decades of research have implicated hippocampal dysfunction in psychosis, but it’s been unclear whether this dysfunction was causative or compensatory. A new study suggests a causal role for ...

Lesions that cause secondary psychosis were most functionally similar to lesions that cause amnesia, though lesions that cause amnesia were more likely to be in the brain’s left hemisphere while those ...

A new study found that people with cannabis use disorder (CUD) had elevated dopamine levels in a brain region associated with psychosis. A McGill University-led study found that people with cannabis ...

“My year of unraveling” is how a despairing Christy Morrill described nightmarish months when his immune system hijacked his brain. What’s called autoimmune encephalitis attacks the organ that makes ...

It can be scary to see a loved one experience delusions or hallucinations, a break from reality. But behind these symptoms lies a deeply biological story. Psychosis is not the mystery it used to be.