AP PSYCHOLOGY

Detailed explanation-1: -Memory loss is the key symptom of Alzheimer’s disease. Early signs include difficulty remembering recent events or conversations. But memory gets worse and other symptoms develop as the disease progresses. At first, someone with the disease may be aware of having trouble remembering things and thinking clearly.

Detailed explanation-2: -Alzheimer’s disease, the most common cause of dementia. Vascular dementia. Frontotemporal dementia. Lewy body dementia.

Detailed explanation-3: -At first, Alzheimer’s disease typically destroys neurons and their connections in parts of the brain involved in memory, including the entorhinal cortex and hippocampus. It later affects areas in the cerebral cortex responsible for language, reasoning, and social behavior.