Differential effects of aging on processes underlying task switching

Brain and Cognition
Robert West, Stephanie Travers

Abstract

In this study, we used event-related brain potentials (ERPs) to examine the effects of aging on processes underlying task switching. The response time data revealed an age-related increase in mixing costs before controlling for general slowing and no effect of aging on switching costs. In the cue-locked epoch, the ERP data revealed little effect of age on the parietal P3 related to cue encoding, an age-related decrease in parietal activity related to cue retrieval, and an age-related increase in the amplitude of the parietal and frontal activity related to task set configuration and rule mapping. In the target-locked epoch, there was differential neural recruitment in younger and older adults in response to task mixing. These data are consistent with the idea that older adults may not fully implement task set before onset of the target stimulus.

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Citations

Oct 7, 2009·Cerebral Cortex·Koji Jimura, Todd S Braver
Jan 18, 2014·Brain and Cognition·Bruno KoppKarl Wessel
May 1, 2009·Cognitive, Affective & Behavioral Neuroscience·Robert WestMoses M Langley
Feb 3, 2012·Brain and Cognition·Daniel Adrover-RoigAlfonso Palmer
Jul 6, 2010·Biological Psychology·Patrick D GajewskiMichael Falkenstein
Nov 6, 2009·Cortex; a Journal Devoted to the Study of the Nervous System and Behavior·Daniel Adrover-Roig, Francisco Barceló
Sep 2, 2009·Cortex; a Journal Devoted to the Study of the Nervous System and Behavior·Robert WestBrandy N Johnson
Jun 30, 2009·Cortex; a Journal Devoted to the Study of the Nervous System and Behavior·Noa FogelsonRobert T Knight
Oct 18, 2011·Acta Psychologica·Lisa R WhitsonPatricia T Michie
Aug 2, 2011·Neurobiology of Aging·Patrick D GajewskiChristian Beste
May 6, 2015·Neuropsychologia·Patrick D Gajewski, Michael Falkenstein
Mar 24, 2015·Frontiers in Behavioral Neuroscience·Chia-Liang Tsai, Wen-Liang Wang
Mar 23, 2017·Psychophysiology·Pauline L BaniquedMonica Fabiani
Jan 17, 2020·The Journals of Gerontology. Series B, Psychological Sciences and Social Sciences·Ted MaldonadoJessica A Bernard
May 22, 2018·Frontiers in Psychology·Luca MorettiAntonino Vallesi
Oct 30, 2018·Neuropsychology, Development, and Cognition. Section B, Aging, Neuropsychology and Cognition·Dan LiTsung-Min Hung
Nov 1, 2013·Wiley Interdisciplinary Reviews. Cognitive Science·Sarah Fraser, Louis Bherer
Dec 22, 2020·Frontiers in Human Neuroscience·Jutta KrayKatharina Stenger

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