Psychosis or delusions

persecutory delusions

belief that one is going to be harmed, harrassed, etc by an individual, organization, or other group

referential delusions

belief that certain gestures, comments, environmental cues, etc. are directed at oneself

grandiose delusions

when an individual believes that he or she has exceptional abilities, wealth, or fame

erotomanic delusions

when an individual believes falsely that another person is in love with him, her, or them

nihilistic delusions

involves conviction that a major catastrophe will occur

somatic delusions

preoccupation regarding health and organ function

thought withdrawal (bizarre delusions)

belief that one’s thoughts have been “removed” by some outside force

thought insertion (bizarre delusions)

belief that alien thoughts have been put into one’s mind

delusions of control (bizarre delusions)

belief that one’s body or actions are being acted on or manipulated by some outside force

disorganized thinking

derailment (loose association), tangential, incoherence

positive symptoms of psychosis

hallucinations, delusions, disorganized thinking or behavior, catatonia

negative symptoms of psychosis

reduced emotional experience (anhedonia, blunt effect), avolition, alogia, asociality

cognitive symptoms of psychosis

difficulty ignoring distractors in the environment, inability to inhibit automatic behavior, impaired working memory or long-term verbal memory, difficulty analyzing social information

delusional disorder

presence of one or more delusions that last at least one month; overall functioning is not impaired and any impairment is related to the delusions themselves

schizophrenia criteria

presence of at least 2 active phase symptoms for at least a month; one of these must be delusions, hallucinations, or disorganized speech - continuous signs must last at least six months

specifiers for schizophrenia

course (# episodes, active/remission, continuous), with/without catatonia, and severity (1-5)

schizophreniform disorder

symptoms present at least 1 month but less than 6 months, impairment may be present but not required

brief psychotic disorder

presence of one of the 4 (delusions, hallucinations, disorganized speech, disorganized/catatonic behavior) for at least 1 day but less than 1 month with return to premorbid functioning; often follows an overwhelming stressor

schizoaffective disorder

uninterrupted period of illness with recurring symptoms of schizophrenia AND symptoms of major depressive or manic disorder, with a period of at least 2 weeks without prominant mood symptoms

anosognosia

impaired awareness of having an illness