Final answer:
Absence of motor abnormalities is not more typical of cortical dementias, like Alzheimer's, but is rather associated with subcortical dementias, such as Parkinson's disease, where motor symptoms, like slowed movements and rigidity, are more common.
Step-by-step explanation:
The student asked which of the following is not more typical of cortical dementia than of subcortical dementia such as Alzheimer's disease: A) Apathy and depression, B) Aphasia, C) Dyspraxia, D) Absence of motor abnormalities, E) Insidious progression of cognitive decline. The answer is D) Absence of motor abnormalities. Cortical dementias, like Alzheimer's, are typically associated with disruptive memory loss, aphasia, and a gradual progression of cognitive decline. In contrast, subcortical dementias, such as Parkinson's disease, are more likely to include motor abnormalities such as slowed movements, balance and posture problems, and rigidity as among their early symptoms.