Alzheimer’s Dementia has a combination of cognitive and behavioral manifestations. Cognitive impairment is the core problem which includes memory deficits and at least one of the following: aphasia or language problem, agnosia or problems with recognition, apraxia or motor activity problem, and impairment in executive functioning (e.g. planning, abstract reasoning, and organizing). As the disease advances, the cognitive decline becomes associated with behavioral manifestations. What are these .