痴呆症：一种主要的老年疾病。

Geriatrics. 1982 Apr;37(4):101-3, 107-11, 114.

Mental deterioration and behavioral changes are particularly distressing effects of brain disorders. Differential diagnosis of dementing conditions is important because some are treatable. The physician must separate primary psychologic disorders from the dementias, and use office tests for evaluating a patient's neuropsychologic function.

精神衰退和行为改变是脑部疾病特别令人苦恼的影响。对痴呆症进行鉴别诊断很重要，因为有些是可治疗的。医生必须将原发性心理障碍与痴呆症区分开来，并使用门诊测试来评估患者的神经心理功能。