Which of the following is a true statement about neuropsychiatric function in older adults?
a. Overall cognitive abilities are progressively degraded by neuron loss in the cerebral cortex with aging.
b. Improving cognitive functions in an older person calls for sporadic mental activity around ideas the person finds significant and interesting.
c. Nerve cells regenerate in the hippocampus.
d. Mood does not influence an older person ability to remember verbal instructions.
C
Nerve cells regenerate in the hippocampus; this is a true statement. Although neurons can rege-nerate in the hippocampus, regeneration is impeded by stress. Overall cognitive abilities are pro-gressively degraded by neuron loss in the cerebral cortex with aging; this statement is not true. Neuron loss does not harm overall cognitive ability, although it makes neural processes run more slowly. Improving cognitive functions in an older person calls for sporadic mental activity around ideas the person finds significant and interesting; this is not a true statement. Neural functions can be retrained, but "exercising" the brain on a regular basis is necessary. Older adults learn best when new information is relevant to what is already familiar. Mood does not influence whether an older person remembers verbal instructions; this is a not a true statement. Recalling events, including communication, is impaired by a crisis situation or anxiety.
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