Age-related changes in the allocation of spatially directed focal attention

Aleksandra Mańkowska , Kenneth M. Heilman , John B. Williamson , Jarosław Michałowski , Michał Harciarek

Abstract

Objectives: Leftward deviation on a horizontal line bisection test (pseudoneglect) might be induced by right hemispheric dominance for mediating spatial or global attention, or a hemispheric asymmetry in the ability to spatially disengage attention. With aging, this leftward bias is reduced, likely due to the aging-related deterioration of right hemisphere mediated functions (right hemi-aging) or hemispheric asymmetry reduction in old adults (HAROLD). Methods: Forty-seven healthy adults divided into younger and older groups performed a modified Posner spatial-attentional task. Results: Overall, younger individuals responded faster to left than right-sided imperative stimuli. In contrast, older participants did not reveal a right-left asymmetry to imperative stimuli. The younger group also revealed a strong inverse relationship between the reaction time to right valid cues and the leftward attentional bias while performing the line bisection task (pseudoneglect). Conclusions: Our results provide support for both the right hemisphere spatial-attentional dominance hypothesis of pseudoneglect and the right hemi-aging hypotheses.
Author Aleksandra Mańkowska
Aleksandra Mańkowska,,
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, Kenneth M. Heilman
Kenneth M. Heilman,,
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, John B. Williamson
John B. Williamson,,
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, Jarosław Michałowski (Wydział Psychologii i Prawa w Poznaniu)
Jarosław Michałowski,,
- Wydział Psychologii i Prawa w Poznaniu
, Michał Harciarek
Michał Harciarek,,
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Journal seriesAging, Neuropsychology and Cognition, [Aging, Neuropsychology, and Cognition, Aging, Neuropsychology and Cognition], ISSN 1382-5585, e-ISSN 1744-4128, (N/A 70 pkt)
Issue year2020
Vol27
No5
Pages748-764
Publication size in sheets0.8
Keywords in EnglishSpatial attention, Posner task, hemisphere asymmetry reduction (HAROLD), right hemisphere deterioration with aging (right hemi-aging), pseudoneglect
ASJC Classification2717 Geriatrics and Gerontology; 2738 Psychiatry and Mental health; 3205 Experimental and Cognitive Psychology; 3206 Neuropsychology and Physiological Psychology
DOIDOI:10.1080/13825585.2019.1675581
URL https://doi.org/10.1080/13825585.2019.1675581
Languageen angielski
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Age related changes in the allocation 2020.pdf 14.07 MB
Michalowski_afiliacja.pdf 206.46 KB
Score (nominal)70
Score sourcejournalList
Publication indicators Scopus SNIP (Source Normalised Impact per Paper): 2018 = 0.911; WoS Impact Factor: 2017 = 1.845 (2) - 2017=1.892 (5)
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