首页> 外文期刊>Neuroscience Letters: An International Multidisciplinary Journal Devoted to the Rapid Publication of Basic Research in the Brain Sciences >Age-related changes in brain responses to personally known faces: an event-related potential (ERP) study in humans.
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Age-related changes in brain responses to personally known faces: an event-related potential (ERP) study in humans.

机译:与人脸有关的大脑反应中与年龄相关的变化:一项针对人的事件相关电位(ERP)研究。

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摘要

Midlife period has not been investigated so far regarding associations between brain responses and spared abilities for face processing. This study examines the effects of midlife aging on behavioural performance and event-related potentials (ERPs) during the perception of personally known faces. Ten middle-aged adults (aged 45-60) and 12 young adults (aged 20-30) performed a visual discrimination task based on the detection of modified eye colours. We found that this task was performed as accurately by middle-aged as by young adults. However, midlife aging is associated with specific ERP latency delays and important changes in scalp ERP distribution. These results -interpreted according to a compensation hypothesis- provide enlightening indications showing that, compared to young adults, the changes in brain activities observed in middle-aged adults may contribute to their maintained behavioural performance.
机译:到目前为止,关于大脑反应和面部处理的备用能力之间的关联,尚未研究中年时期。这项研究检验了中年衰老对个人面孔的感知过程中行为表现和与事件相关的电位(ERP)的影响。 10名中年成年人(45至60岁)和12名年轻人(20至30岁)根据检测到的眼睛颜色进行了视觉识别任务。我们发现,这项任务在中年人和年轻人中的执行准确度很高。但是,中年衰老与特定的ERP延迟延迟以及头皮ERP分布的重要变化有关。这些结果(根据补偿假说进行解释)提供了令人鼓舞的迹象,表明与年轻人相比,中年成年人观察到的大脑活动的变化可能有助于维持他们的行为表现。

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