All are features of delirium except
Delirium is the commonest organic symptom seen in clinical practice Characterised by acute onset, clouding of consciousness, disorientation, asterixis, multifocal myoclonus, occupational delirium, tone and reflex abnormalities (Ref: A sho textbook of psychiatry, Niraj Ahuja, 7th edition, pg no.19)
Confusion
Disorientation
Hyperactivity
Loss of memory
Symptoms and signs in psychiatry and classification