Final answer:
Chorea is not a symptom of Alzheimer's disease, which includes memory loss, confusion about time or space, language difficulties, and other cognitive and behavioral changes. Amyloid plaques and neurofibrillary tangles are also characteristic of Alzheimer's.
Step-by-step explanation:
The claim that chorea is a symptom of Alzheimer's disease is false. The clinical symptoms of Alzheimer's include disruptive memory loss, confusion about time or place, difficulty planning or executing tasks, poor judgment, and personality changes. Chorea, which is characterized by involuntary, movements, is more often associated with other neurological disorders like Huntington's disease. The correct symptoms of Alzheimer's disease that you may observe in someone are disruptive memory loss, having trouble remembering familiar places or the identity of previously known people, and trouble with language, among others.
Furthermore, Alzheimer's disease is characterized by amyloid plaques, neurofibrillary tangles, and the overall shrinking of brain volume, particularly severe loss of neurons within the hippocampus. As the disease progresses, patients experience increased memory, language, and cognitive deficits, often losing recognition of loved ones and the ability to carry out daily activities independently.