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)