PMID: 3769497Sep 1, 1986Paper

Differences between fingers and hands in tapping ability: dissociation between speed and regularity

Cortex; a Journal Devoted to the Study of the Nervous System and Behavior
I C McManusJ Grant

Abstract

The mean inter-tap interval (ITI) and the coefficient of variation of the ITI (ITIVAR) were measured in all five fingers of the preferred and non-preferred hand in two experiments. Subjects were right- or left-handed, males or females in experiments I and right-handed female typists, pianists, or controls in experiment II. Lack of consistent difference between right- and left-handers, and between those with and without special manual skills, suggested that hand differences in tapping are not a consequence of differential practise between hands. ITI showed differences both between fingers and between hands, whereas ITIVAR only showed differences between fingers. Separate mechanisms are inferred, and it is suggested that differences between fingers are a function of differential peripheral motor control, whereas differences between hands are a consequence of cerebral dominance of control mechanisms, and a model is presented.

References

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Citations

Dec 1, 1991·Muscle & Nerve·W R KennedyN J Stewart
Apr 6, 2005·NeuroImage·Venkatasubramanian GanesanSean A Spence
Oct 7, 2015·Experimental Brain Research·S Y Schaefer, C R Hengge
Feb 24, 2001·Cortex; a Journal Devoted to the Study of the Nervous System and Behavior·W J TriggsK M Heilman
Jan 28, 2014·Annals of Rehabilitation Medicine·Ji-Won KwonChang Kweon Choi
Dec 29, 2000·Clinical Rehabilitation·D van RoonW Hulstijn
Feb 19, 1999·Chronobiology International·M Wittmann
Jun 2, 2005·Journal of Neurophysiology·R ArunachalamK R Mills
Sep 1, 1992·Cortex; a Journal Devoted to the Study of the Nervous System and Behavior·M Peters, J Pang
Sep 22, 2021·Motor Control·Bryony BuckHans-Christian Jabusch

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