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首页> 外文期刊>Psychology and aging >Cognitive Aging in Older Black and White Persons
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Cognitive Aging in Older Black and White Persons

机译：老年黑人和白人的认知老化

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摘要

During a mean of 5.2 years of annual follow-up, older Black (n = 647) and White (n = 647) persons of equivalent age and education completed a battery of 17 cognitive tests from which composite measures of 5 abilities were derived. Baseline level of each ability was lower in the Black subgroup. Decline in episodic and working memory was not related to race. Decline in semantic memory, perceptual speed, and visuospatial ability was slower in Black persons than White persons, and in semantic memory and perceptual speed this effect was stronger in older than younger participants. Racial differences persisted after adjustment for retest effects. The results suggest subtle cognitive aging differences between Black persons and White persons.
机译：在平均5.2年的年度随访期间，年龄和受教育程度相同的黑人（n = 647）和白人（n = 647）老年人完成了一系列的17项认知测验，从中得出了5种能力的综合量度。黑色小组的每个能力的基线水平都较低。情景和工作记忆的下降与种族无关。黑人的语义记忆，知觉速度和视觉空间能力的下降比白人慢，而在语义记忆和知觉速度方面，老年人的影响要比年轻参与者强。调整重新测试效果后，种族差异仍然存在。结果表明，黑人和白人之间存在细微的认知老化差异。

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