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Neurocognitive Disorders: Biological Factors

Neurocognitive disorders (NCDs) are characterized by acquired deficits in cognitive functioning, and biological factors constitute an important aspect of NCDs. Biological factors can refer to either the cause of the disorder or a description of its manifestation. When it comes to causes, genetic factors can play a significant role; however, other biological causes exist. Those with NCDs present with a number of deficits within the brain both structurally and chemically, and other biological or medical problems might be experienced as secondary symptoms. This entry reviews the biological factors associated with NCDs, including brain features, biological causes, and other medical problems. Understanding these factors can further evaluation and treatment options.

Brain Features
Major Brain Areas Affected

NCDs are a whole-brain phenomenon because all four lobes of the brain ...

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