Production of Successive Force Impulses by the Left and Right Hands

Geoff Hammond, Sashya Gunasekera

Research output: Contribution to journalArticle

3 Citations (Scopus)

Abstract

Right-handed participants made ballistic force impulses with the index linger of their left or right hand to match the amplitude of 2 successive visual targets whose onset was separated by 600-850 ms. The targets specified either low- (10% of maximum Voluntary contraction; MVC) or high- (25% MVC) force level and were presented in all combinations (low-low, low-high, high-low, high-high). The amplitude of the 1st force impulse affected that of the 2nd, forming an effect that was greatest at the shortest interresponse intervals and that decayed with increasing intervals. This effect was smaller with a shorter time Course in the dominant hand than the nondorninant hand, Suggesting a greater ability of the dominant hand to make successive independent responses.
Original languageEnglish
Pages (from-to)409-416
JournalJournal of Motor Behavior
Volume40
Issue number5
DOIs
Publication statusPublished - 2008

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