What is organic psychosis?

Organic psychosis occurs where a person experiences psychotic symptoms in the context of an organic (physical) health problem.

Symptoms of psychosis include hallucinations, delusions, formal thought disorder, anhedonia, apathy, avolition, amotivation.

Organic problems that can cause psychosis are varied, and include brain tumours, viral infections, traumatic brain injury, and genetic disorders. Psychotic symptoms can also arise in the course of dementia, and also may be present when a person is experiencing delirium.