Negative symptoms

Negative symptoms are present in Trementia and Catathymia, they are more severe than those in psychosis.

Symptoms

 * akinesia	(inability to move)
 * mutism	(inability to speak, responses usually consist of moans or sounds)
 * astasia	(inability to keep normal posture)
 * abasia	(inability to initiate normal gait)
 * anelpis	(no hope, extreme pessimism)
 * asomnia	(inability to sleep)
 * aphagia	and anorexia (refusal to eat)
 * somnolence	(severely decreased awareness)
 * anachronia	(wrongly placing events in the wrong timeline)
 * akindunos	(poor sense of danger)
 * akinetopsia	(inability to see movement)
 * anhedonia	(lack of pleasure)
 * asociality (social isolation)
 * nihilusion (not seeing things that are there)