COGNITIVE IMPAIRMENTS IN DEPRESSION

COGNITIVE IMPAIRMENTS IN DEPRESSION
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DOI:
10.1016/0165-0327(89)90032-3
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发表时间:
1989-09-01
影响因子:
6.6
通讯作者:
SWEENEY, JA
SWEENEY, JA
中科院分区:
医学2区
文献类型:
--
作者:
GOLINKOFF, M;SWEENEY, JA

文献摘要

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抑郁症患者在记忆力测试中表现不佳。这可能反映了未能采用有助于回忆的编码策略,或者普遍无法将认知努力分配给更困难的任务。对抑郁症或人格障碍的住院患者和年龄和智商匹配的正常对照进行自动出现频率测试和言语配对联想回忆和再认记忆测试。受试者组之间的频率判断没有差异。抑郁症和人格障碍组回忆和识别的单词都比正常受试者少,抑郁症受试者倾向于回忆和识别最少的单词。任务难度对记忆表现有很强的影响,但这种影响在各受试者组中是一致的。这些发现表明,抑郁症患者在记忆测试中的表现较差反映了基本的记忆障碍,而不是普遍无法将认知努力分配给更高要求的任务。然而,这些损害可能不是抑郁症特有的,但可能反映了精神病理学对记忆的一般影响。
Depressed patients perform poorly on memory tests. This may reflect a failure to employ encoding strategies that facilitate recall or a generalized inability to allocate cognitive effort to more difficult tasks. Inpatients with major depression or personality disorders and age- and IQ-matched normal controls were administered an automatic frequency of occurrence test and verbal paired associate recall and recognition memory tests. There was no difference in frequency judgments among the subject groups. Both depressed and personality disordered groups recalled and recognized fewer words than normal subjects, with the depressed subjects tending to recall and recognize the fewest words. There was a strong effect of task difficulty on memory performance but this effect was consistent across subject groups. These findings suggest that the poorer performance of depressed patients on memory tests reflect basic memory impairments rather than a general inability to allocate cognitive effort to more demanding tasks. However, these impairments may not be specific to depression but may reflect general effects of psychopathology on memory.