Similar behaviour, different brain patterns: age-related changes in neural signatures of ignoring

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Allen, Harriet A. and Payne, Helen (2012) Similar behaviour, different brain patterns: age-related changes in neural signatures of ignoring. NeuroImage, 59 (4). pp. 4113-4125. ISSN 1053-8119

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Official URL: http://ac.els-cdn.com/S1053811911012341/1-s2.0-S1053811911012341-main.pdf?_tid=c6bdfc70-bb1d-11e3-aae7-00000aacb362&acdnat=1396522411_3c106ec7427fa8c57548dd7203ae35eb

Abstract

We measured behavioural performance and fMRI activity whilst old and young adults performed a temporal

segmentation task (‘preview search’). Being able to select parts of the visual world to be attended or ignored

is a critical visual skill. Both old and young adults were able to improve their performance on a difﬁcult search

task when some of the distracter items were presented earlier than the remainder. Comparisons of brain

activity and functional connectivity, however, suggested that the underlying mechanisms are quite different

for the two age groups. Older adults' activation patterns do not correspond to those predicted by simple

increased involvement of frontal regions reﬂecting higher demand with age but seem to suggest that changes

in brain activation patterns propagate throughout the cortex

Item Type:	Article
RIS ID:	https://nottingham-repository.worktribe.com/output/709383
Schools/Departments:	University of Nottingham, UK > Faculty of Science > School of Psychology
Identification Number:	10.1016/j.neuroimage.2011.10.070
Depositing User:	Snowden, Ms Diane
Date Deposited:	03 Apr 2014 10:54
Last Modified:	04 May 2020 16:32
URI:	https://eprints.nottingham.ac.uk/id/eprint/2540

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