stupor (i.e., no psychomotor activity; not actively relating to environment) |
catalepsy (i.e., passive induction of a posture held against gravity) |
waxy flexibility (i.e., allow positioning by examiner and maintain position) |
mutism (i.e., no, or very little, verbal response [exclude if known aphasia]) |
negativism (i.e., opposition or no response to instructions or external stimuli) |
posturing (i.e., spontaneous and active maintenance of a posture against gravity) |
mannerisms (i.e., odd, circumstantial caricature of normal actions) |
stereotypy (i.e., repetitive, abnormally frequent, non-goal-directed movements) |
agitation, not influenced by external stimuli |
grimacing (i.e. making a grimace like children) |
echolalia (i.e., mimicking another‘s speech) |
echopraxia (i.e., mimicking another‘s movements) |