Differential Ageing of the Brain Hemispheres: Evidence from a Longitudinal Study of Hand Preferences in Common Marmosets

Author(s)
Rogers, Lesley J
Publication Date
2021-12
Abstract
<p>This paper is concerned with decreasing asymmetry of motor control in ageing. It discusses age-related changes in humans and reports a longitudinal study of hand preferences in common marmosets. An annual assessment of hand preference for holding food was recorded throughout the lifespan of 19 marmosets that lived for at least 9 years, and half of those lived for at least 11 years. Those with a left-hand preference showed a gradual reduction in the strength of their hand preference throughout adult life. No significant change in the strength of hand preference was found in right-handed marmosets. Hence, ageing has a specific effect on motor control by the right hemisphere.</p>
Citation
Symmetry, 13(12), p. 1-8
ISSN
2073-8994
Link
Language
en
Publisher
MDPI AG
Rights
Attribution 4.0 International
Title
Differential Ageing of the Brain Hemispheres: Evidence from a Longitudinal Study of Hand Preferences in Common Marmosets
Type of document
Journal Article
Entity Type
Publication

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