The dynamics of bimanual circle drawing


Carson, Richard G., Thomas, Julie, Summers, Jeffery J., Walters, Megan R. and Semjen, Andras. 1997. "The dynamics of bimanual circle drawing." Quarterly Journal of Experimental Psychology: Section A: Human Experimental Psychology . 50 (3), pp. 664-683.
Article Title

The dynamics of bimanual circle drawing

Article CategoryArticle
AuthorsCarson, Richard G. (Author), Thomas, Julie (Author), Summers, Jeffery J. (Author), Walters, Megan R. (Author) and Semjen, Andras (Author)
Journal TitleQuarterly Journal of Experimental Psychology: Section A: Human Experimental Psychology
Journal Citation50 (3), pp. 664-683
Number of Pages20
Place of PublicationHove, E Sussex. United Kingdom
Digital Object Identifier (DOI)

A bimanual circle drawing task was employed to elucidate the dynamics of intralimb and interlimb coordination. Right-handed subjects were required to produce circles with both hands in either a symmetrical (mirror) mode (i.e. one hand moving clockwise, the other counter-clockwise) or in an asymmetrical mode (i.e. both hands moving clockwise or counter-clockwise). The frequency of movement was scaled by an auditory metronome from 1.50 Hz to 3.25 Hz in8 (8-sec) steps. In the asymmetrical mode, distortions of the movement trajectories, transient departures from the target pattern of coordination, and phase wandering were evident as movement frequency was increased. These features suggested loss of stability. Deviations from circular trajectories were most prominent for movements of the left hand. Transient departures from the required mode of coordination were also largely precipitated by the left hand. The results are discussed with reference to manual asymmetries and mechanisms of interlimb and intersegmental coordination.

Keywordshuman mechanics; drawing; motor ability
ANZSRC Field of Research 2020520406. Sensory processes, perception and performance
420703. Motor control
520299. Biological psychology not elsewhere classified
Public Notes

File reproduced in accordance with the copyright policy of the publisher/author.

Byline AffiliationsUniversity of Queensland
School of Nursing and Midwifery
Faculty of Sciences
University of Strasbourg, France
Institution of OriginUniversity of Southern Queensland
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