Behavioral and ERP evidence of greater distractor processing in old age

被引：57

作者：

de Fockert, Jan W. ^{[1
]}

Ramchurn, Anusha ^{[1
]}

van Velzen, Jose ^{[1
]}

Bergstroem, Zara ^{[1
]}

Bunce, David ^{[1
,2
]}

机构：

[1] Univ London, Dept Psychol, London SE14 6NW, England

[2] Brunel Univ, Ctr Cognit & Neuroimaging, Uxbridge UB8 3PH, Middx, England

来源：

BRAIN RESEARCH | 2009年 / 1282卷

基金：

英国经济与社会研究理事会;

关键词：

Cognitive aging; Interference; Selective attention; ERP; N170; DOWN SUPPRESSION DEFICIT; EVENT-RELATED POTENTIALS; SELECTIVE ATTENTION; COGNITIVE CONTROL; WORKING-MEMORY; RECOLLECTIVE EXPERIENCE; BRAIN POTENTIALS; PERCEPTUAL LOAD; FACE; LATERALIZATION;

D O I：

10.1016/j.brainres.2009.05.060

中图分类号：

Q189 [神经科学];

学科分类号：

071006 ;

摘要：

The ability to minimize processing for irrelevant information is a central component of goal-directed behavior, which has been suggested to be compromised in old age. in this study, we investigate age differences in distractor rejection by presenting target names alongside to-be-ignored distractor faces. Older adults (mean age 70) showed greater behavioral slowing than young adults (mean age 24) when the distractor face was incompatible with the target name. That this increased interference in the older adults was indeed associated with more distractor processing, was shown by the face-related N170 component of the EEG, which had greater amplitude in older adults when faces were unattended, but not when they were attended. These findings suggest a reduced ability to prevent distractor processing in old age. (C) 2009 Elsevier B.V. All rights reserved.

引用

页码：67 / 73

页数：7

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