Alzheimer's disease is best defined as: a. a disease that can cause dementia and that involves the degeneration of neurons in the subcortical structures that control motor movements.
b. a cause of neurocognitive disorder, characterized by progressive and gradual cognitive deficits due to severe cerebral atrophy.
c. a relatively rare degenerative disease that affects the frontal and temporal lobes of the cerebral cortex and that can cause dementia.
d. a hereditary condition causing dementia that involves a widespread deterioration of the subcortical brain structures and parts of the frontal cortex that control motor movements.