Motor Behaviour

Question 1

Echopraxia

Answer 1

Pathological imitation of movements of one person by another

Question 2

Catatonic stupor

Answer 2

Markedly slowed motor activity often to the point of immobility and seeming unaware of surroundings

Question 3

Cerea flexibilitas (waxy flexibility)

Answer 3

Condition in which a person could be modelled into a position that is then maintained; when an examiner moves the person’s limb the limb feels as if it was made of wax

Question 4

Negativism

Answer 4

Motiveless resistance to all attempts to be moved or to all instructions

Question 5

Stereotype

Answer 5

Repetitive fixed pattern of physical action or speech

Question 6

Mannerism

Answer 6

Ingrained habitual involuntary movement

Question 7

Over activity

Answer 7

Hyperactivity (hyperkinesia): Restless, aggressive, destructive activity often associated with some underlying brain pathology

Akathisia: Subjective feeling of muscular tension secondary to antipsychotic or other medication, which can cause restlessness, pacing, repeated sitting and standing; can be mistaken for psychotic agitation

Compulsion: Uncontrollable impulses to perform an act repetitively

Polyphagia: Pathological overeating

Question 8

Hypoactivity (Hypokinesis)

Answer 8

Decreased motor and cognitive activity as in psychomotor retardation; visible slowing of thought, speech and movement

Question 9

Aggression

Answer 9

Forceful goal directed action that may be verbal or physical; the motor counterpart of the effect of rage, anger and hostility

Question 10

Dystonia

Answer 10

Slow sustained contractions of the trunk or limbs; seen in medication induced dystonia

Question 11

Catatonic posturing

Answer 11

Voluntary assumption of an inappropriate or bizarre posture, generally maintained for long periods