A McGill University-led study found that people with cannabis use disorder (CUD) had elevated dopamine levels in a brain region associated with psychosis.
This could help explain why cannabis use increases the risk of hallucinations and delusions, key symptoms of schizophrenia and other psychotic disorders."
Jessica Ahrens, first author, PhD student in McGill's Integrated Program in Neuroscience
Dopamine is a neurotransmitter that helps regulate mood and motivation, and an excess is associated with psychosis. While it was known that...
Summary: A new study suggests complex beliefs like paranoia may have roots in visual misperception. Participants prone to paranoia or teleological thinking were...
Summary: Researchers have uncovered a brain mechanism in the prefrontal cortex that determines how animals respond to others’ emotions based on their own...
Michelle Hammer is a schizophrenia activist and spends her time passionately fighting stigma. She is an NYC native featured in the WebMD documentary...
Summary: A new study has identified a distinct brain network connecting areas of atrophy associated with schizophrenia, offering a unified view of its...