What are neurobehavioral feature of Alzheimer disease?
The neurobehavioral features of classic dementia of the Alzheimer type include memory impairment, executive dysfunction, disturbances in language (aphasia), visuospatial deficits, and impaired ability in calculation and abstraction. Disturbances of other cortical functions such as agnosia (impaired recognition) and apraxia (inability to carry out a motor task in the absence of sensory loss, hemiparesis, or difficulty in comprehension) may be observed. The memory impairment characteristic of AD includes deficits in new learning and an inability to recall previously learned material accurately. Patients are noted to be markedly forgetful and repetitive; there is a tendency to misplace items.
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