Pointing to an allocentric and egocentric remembered target in younger and older adults

Experimental Aging Research
Martin LemayG E Stelmach

Abstract

Previous reports have shown that older adults have difficulties in maintaining allocentric information in memory but not egocentric information. The present study evaluated pointing accuracy in younger and older adults for egocentric and allocentric task. The task was to localize and maintain one, two, or four target locations. Target(s) were presented with or without a surrounding white square in a dimly lit environment. Despite previous postulations, the results of the present study revealed that older adults were able to point to remembered egocentric and allocentric targets as accurately as younger adults regardless of task difficulty. However, older adults took more time pointing to allocentric targets as compared to younger adults. The longer movement time was caused by a lengthening of the deceleration phase, suggesting that during pointing, older adults rely more on visual information surrounding the target than younger adults.

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Citations

Jul 26, 2005·Experimental Brain Research·Sukhvinder S Obhi, Melvyn A Goodale
Dec 24, 2005·Experimental Brain Research·Steven L PrimeJ D Crawford
Nov 18, 2005·Experimental Brain Research·Matthew HeathOlav Krigolson
Jun 26, 2007·Experimental Brain Research·Steven L PrimeJ Douglas Crawford
Apr 30, 2008·Experimental Brain Research·Matthew HeathGordon Binsted
Jun 23, 2009·Experimental Brain Research·Jan M Hondzinski, Taegyong Kwon
Jul 17, 2010·Artificial Organs·Iyad ObeidJean Delbeke
Aug 11, 2007·Memory & Cognition·S E Avons
Mar 10, 2015·Vision Research·D CamorsJ B Durand
Aug 21, 2014·Experimental Brain Research·W Joseph MacInnes, Amelia R Hunt
Mar 26, 2015·Psychological Research·Gennaro RuggieroTina Iachini
Jul 20, 2014·Psychological Research·Maria MontefineseGiorgia Committeri
Jan 25, 2005·Human Movement Science·Olav Krigolson, Matthew Heath
May 12, 2020·Cerebral Cortex·Vishal BharmauriaJohn Douglas Crawford
Dec 21, 2016·Psychonomic Bulletin & Review·Emily L TwedellYuhong V Jiang
Feb 7, 2021·BMC Geriatrics·Jia-Xin ZhangHui-Jie Li
Aug 2, 2017·Neuroscience and Biobehavioral Reviews·Desirée ColomboGiuseppe Riva

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