Psychosis Flashcards
What are the five key features of psychotic disorders?
Delusions
Hallucinations
Disorganized thinking
Disorganized or abnormal motor behaviour
Negative symptoms
What is the most common type of hallucination?
Auditory
Two categories of delusions
Bizarre (clearly implausible and not understandable to same culture peers)
Non-bizarre (within the realms of possibility but potentially untrue)
Two subtypes of catatonia
Excited - dramatic increase in motor activity –> exhaustion
Retarded - slowed motor activity –> total immobility
Causes of catatonia
Schizophrenia Depression Neurological (CVA, trauma, encephalitis) Metabolic (hypercalceamia, DKA, hepatic encephalopathy) Dementia Delerium
Features of catatonia
Decreased or excessive mobility
Waxy rigidity
Negativism (resists movement and does opposite to what is asked)
Posturing (assuming bizarre postures)
Echolalia and echopraxia
5 A’s of Negative Symptoms
Avolition - apathy
Affective blunting
Anhedonia - asociality
Poor Attention
Alogia
The type of delusions present in Delusional Disorder
NON-bizarre
Subtypes of schizophrenia
Paranoid
Catatonic
Residual
Undifferentiated
Disorganised
