Psychomotor Functions
Facial Expressions
Psychiatric disorders are characterised by a multitude of emotional dysfunctions.
Invariability Of Facial Expression
Schizophrenia.
Delayed, Little Or No Facial Expression
Schizophrenia, dementia, depressive disorder, Parkinson’s disease.
Exaggerated Facial Expressions
Theatrical patients, mania.
Decelerated Gestures
Parkinson’s disease, dementia, depressive disorder.
Overly Lively Gestures
Mania or ADHD.
Speech
Mania or a complaint presentation matching personality disorder.
Monotonous Speech
Depressive disorder.
Rapid Variation In Pitch
Theatrical patients, anxiety, mania.
Motivation And Behaviour
Loss Of Decorum
Dementia, schizophrenia.
“Witzelsucht”
Mania or fronto-temporal brain disorders.
Inactivity, Loss Of Initiative, Lethargy
Schizophrenia, depressive disorder and dementia.
Avolition
Schizophrenia.
Impulsive Acts Or Impulsive Behaviour
Self-mutilation, suicide attempts, fits of anger, excessive risk taking, etc.
Urge-Driven Acts Or Behaviour
Postponement of action gives feeling of thrill or excitement, performing the action usually gives pleasure, satisfaction or relief.
Paraphilia, binge eating, stealing, committing arson, gambling, pulling out hair, and substance abuse.
Compulsive Behaviour
Obsessive-compulsive disorder.
