The PMHNP works on an inpatient geriatric psychiatric unit. She knows that which of the following features is commonly present in Lewy body dementia?

A steadily progressive, gradual decline in reasoning and increased incidence of sleepwalking

Motor abnormalities with a low incidence of depression and psychosis

Recurrent visual hallucinations; affected patients adversely react to antipsychotics

A slowly progressive and fatal disorder that manifests with depression, psychosis, personality changes, and dementia