Updated Myers' Psychology for the AP® Course, 3E - Module 68

schizophrenia

a disorder characterized by delusions, hallucinations, disorganized speech, and/or diminished, inappropriate emotional expression.

psychotic disorders

a group of disorders marked by irrational ideas, distorted perceptions, and a loss of contact with reality.

hallucination

false sensory experiences, such as seeing something in the absence of an external visual stimulus.

delusion

a false belief, often of persecution or grandeur, that may accompany psychotic disorders.

chronic schizophrenia

(also called process schizophrenia) a form of schizophrenia in which symptoms usually appear by late adolescence or early adulthood. As people age, psychotic episodes last longer and recovery periods shorten.

acute schizophrenia

(also called reactive schizophrenia) a form of schizophrenia that can begin at any age; frequently occurs in response to a traumatic event.