Influence of age and sex on line bisection: a study of normal performance with implications for visuospatial neglect

Varnava, Alice and Halligan, Peter ORCID: https://orcid.org/0000-0003-2784-6690 2007. Influence of age and sex on line bisection: a study of normal performance with implications for visuospatial neglect. Aging, Neuropsychology, and Cognition 14 (6) , pp. 571-585. 10.1080/13825580600826454

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Abstract

Line bisection is an established clinical task used to diagnose visuospatial neglect. To date, few studies have considered the extent to which age and sex as background variables contribute to bisection performance. Both variables affect the neural substrates underlying cognitive processes and hence the behavioural performance of bisection. The purpose of this study was to examine the effects of age and sex on normal bisection performance, using three different line lengths to elucidate the influence of these potential contributing factors. Seventy men and 70 women, divided equally into seven age-cohorts between 14 and 80 years, bisected lines. Results indicated clear age- and sex-related differences both in the magnitude and direction of bisection deviations across the three line lengths. Differences are discussed in terms of neural changes across the adult lifespan including hemispheric differences and hormonally mediated changes.

Item Type:	Article
Status:	Published
Schools:	Psychology
ISSN:	1382-5585
Last Modified:	20 Oct 2022 09:46
URI:	https://orca.cardiff.ac.uk/id/eprint/33061

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