Diagnosis

Historical Perspective

Dementia Precox=single diagnoistic category for many diff disorders. Kraeplin: dementia praecox --> schizoprenia(splitting of mental associations)

DSM-4

Criterion A: two or more active symptoms for at least one month. B&C: social function problems.

Subtypes

Five subtypes in the DSM-4.

Catatonic Type

symptoms of motor immobility or excessive and purposeless motor activity.

disorganized Type

disorganized speech, behavior, and flat/inappro affect.

Paranoid Type

systemic delusions with persecutory or grandiose content.

Undifferentiated Type

prominent psychotic syptoms and either meet criteria for several or none.

Residual

dont meet active phase symptoms but meet negative symptoms. partial remission

Related Psychological disroders

Description

Schizoaffective Disorder

boundary between schiizophrena and mood disorders, schizo episode + major depressive episode.

Delusional Disorde

dont meet symptomatic criteria for schizophrenia but are preoccupied for at least one month with delusions that arent bizarre.

Brief Psychotic Disorder

exhibit symptoms for a tleast one day but no more than a month.

Course/Outcome

begin in adolesence, poor outcome.