Table 2.

Delirium and DLB: Overlap and Differences

Delirium	DLB
Onset: Acute onset	Onset: Gradual and progressive onset
Cognitive impairment: fluctuation in attention, executive functioning, memory, visuospatial deficits	Cognitive impairment: fluctuation in attention, executive functioning, vigilance, memory, visuospatial deficits
Perceptual disturbances: visual and auditory hallucinations, delusions	Perceptual disturbances: recurrent structured visual hallucinations, delusions
Sleep wake-cycle: disturbance in sleep wake-cycle	Sleep wake-cycle: REM sleep behavior disorder
Motor signs: hyperactive or hypoactive motor signs	Motor signs: parkinsonism motor signs
Neuroleptic sensitivity: non present	Neuroleptic sensitivity: severe neuroleptic sensitivity

DLB, dementia with lewy bodies; REM, rapid eye movement.