psychomotor retardation
A slowing of physical and mental activity commonly observed in major depression, characterized by reduced motor activity, slow speech, and delayed thinking.
Full Definition
Psychomotor retardation is a cardinal symptom of major depressive episodes characterized by a general slowing of physical movements, speech, and thought processes. Patients may exhibit delayed verbal responses, reduced spontaneous movement, slow or monotonous speech, and diminished facial expressions. This symptom represents a neurovegetative sign of depression and is distinguished from normal fatigue by its pervasive nature and association with other depressive symptoms. Severe psychomotor retardation can progress to stupor in cases of catatonic depression. The presence and severity of psychomotor retardation can inform treatment decisions and prognosis.
Usage
Usage note: Document specific observations rather than just using the term alone.
In Context
- "The patient exhibited marked psychomotor retardation with latency of response up to 30 seconds." — Mental status examination
- "Improvement in psychomotor retardation was noted after three weeks of antidepressant treatment." — Treatment response assessment