Final answer:
Lewy body dementia (LBD) is a progressive brain disorder that affects thinking, behavior, and movement. It is characterized by cognitive and behavioral changes in combination with features of Parkinsonism, disorders of executive function early, hallucinations, and visuospatial disturbances.
Step-by-step explanation:
The type of dementia that is characterized as cognitive and behavioral changes in combination with features of Parkinsonism, disorders of executive function early, hallucinations, and visuospatial disturbances is Lewy body dementia (option c).
Lewy body dementia (LBD) is a progressive brain disorder that affects thinking, behavior, and movement. It is the third most common cause of dementia, after Alzheimer's disease and vascular dementia. LBD is characterized by the presence of abnormal protein deposits called Lewy bodies in the brain.
Patients with LBD often have a combination of cognitive and motor symptoms, including memory loss, confusion, changes in attention and alertness, visual hallucinations, and parkinsonism (tremor, stiffness, slow movements).