Handedness impacts the neural correlates of kinesthetic motor imagery and execution: A FMRI study

The human brain functional lateralization has been widely studied over the past decades, and neuroimaging studies have shown how activation of motor areas during hand movement execution (ME) is different according to hand dominance. Nevertheless, there is no research directly investigating the effec...

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Bibliographic Details
Published in:Journal of neuroscience research 2022-03, Vol.100 (3), p.798-826
Main Authors: Crotti, Monica, Koschutnig, Karl, Wriessnegger, Selina Christin
Format: Article
Language:English
Subjects:
Brain Mapping
Cerebellum
fMRI
Functional Laterality - physiology
Functional magnetic resonance imaging
Functional morphology
Hand - physiology
Handedness
Hemispheric laterality
Humans
Imagination - physiology
Magnetic Resonance Imaging
Medical imaging
Mental task performance
motor execution
motor imagery
Movement - physiology
Neuroimaging
RRID:SCR_002502
RRID:SCR_016216
Statistical analysis
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Summary:The human brain functional lateralization has been widely studied over the past decades, and neuroimaging studies have shown how activation of motor areas during hand movement execution (ME) is different according to hand dominance. Nevertheless, there is no research directly investigating the effects of the participant's handedness in a motor imagery (MI) and ME task in both right and left‐handed individuals at the cortical and subcortical level. Twenty‐six right‐handed and 25 left‐handed participants were studied using functional magnetic resonance imaging during the imagination and execution of repetitive self‐paced movements of squeezing a ball with their dominant, non‐dominant, and both hands. Results revealed significant statistical difference (p 
ISSN:0360-4012
1097-4547
DOI:10.1002/jnr.25003