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Does Hemispheric Asymmetry Reduction in Older Adults (HAROLD) in motor cortex reflect compensation?
[article]
2021
bioRxiv
pre-print
Older adults tend to display greater brain activation in the non-dominant hemisphere during even basic sensorimotor responses. It is debated whether this Hemispheric Asymmetry Reduction in Older Adults (HAROLD) reflects a compensatory mechanism. Across two independent fMRI experiments involving an adult-lifespan human sample (N = 586 and N = 81; approximately half female) who performed right hand finger responses, we distinguished between these hypotheses using behavioural and multivariate
doi:10.1101/2021.06.02.446015
fatcat:2vxvlyuu2vdsfgwzc73durxuli