catatonia

stupor

diminished awareness and responsiveness

immobility

inability to move

waxy

resistant to being moved even though their body can still move

mutism

mute; inability to talk

posturing

involuntarily hold an unusual and often uncomfortable body positions for extended periods

excitement

hyperkinetic movement; increased movement, agitation, and potentially violent behavior

echolalia

senseless repetition of the words of others

echopraxia

imitating the movement of others

staring

zoning out or staring at one direction for a long period of time

catalepsy

passive adoption of posture