Clouding of consciousness is seen in:

Ans. (b) DeliriumRef.: Harrison 19th ed. /166DELIRIUM* It is characterized by global impairment of consciousness (clouding of consciousness), resulting in reduced levels of alertness, attention & perception of environment along with acute onset of fluctuating cognitive impairment.* It is the commonest organic mental disorderClinical Features & Diagnosis* Global impairment of consciousness & attention is the hallmark/cardinal feature of Delirium. It manifests as:# Diminished ability to focus, sustain or shift attention.# Reduced levels of alertness, attention, and perception of environment.# Drowsiness (mental slowness), distractibility & disorientation.* Global impairment of cognition is manifested as:# Disorientation (in time, place and person)# Disturbance of immediate & recent memory# Remote memory is intact.