The persistence of spatial interference after extended training in a bimanual drawing task.

Cortex; a Journal Devoted to the Study of the Nervous System and Behavior
Neil B Albert, Richard B Ivry

Abstract

Many studies of bimanual coordination have focused on the pervasive interference observed when people plan and produce non-symmetric movements. We investigated how the interference observed in one challenging bimanual task, simultaneously drawing non-symmetric three-sided squares (e.g., U and C), is modulated by practice. We assessed whether the benefits of practice were limited to the trained patterns or reflected the development of a more general ability for independently controlling movements of the two hands. We combined four orientations of a three-sided square, with one orientation assigned to each hand, to generate a set of 16 patterns. Participants were trained for six days with eight of the patterns. In the last two sessions, all 16 patterns were tested. The untrained patterns involved a shape that had not been practiced by one hand or a novel configuration of two practiced components. While a substantial reduction in inter-manual interference was observed over the extensive training period, participants remained much slower to plan incongruent shapes compared to congruent shapes. Incomplete generalization was observed when the new patterns were introduced. Planning time was shorter and accuracy higher for the trained ...Continue Reading

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Citations

Aug 23, 2011·PloS One·Helene M SistiStephan P Swinnen
Oct 16, 2015·Experimental Brain Research·Deanna M KennedyCharles H Shea
Sep 6, 2011·Trends in Cognitive Sciences·Yuko MunakataRandall C O'Reilly
Apr 6, 2011·Cortex; a Journal Devoted to the Study of the Nervous System and Behavior·Jennifer A Foley, Sergio Della Sala
Mar 5, 2016·Psychological Research·Ioana StanciuConstanze Hesse
Mar 27, 2009·Cortex; a Journal Devoted to the Study of the Nervous System and Behavior·Ronen Sosnik
Feb 9, 2010·Cortex; a Journal Devoted to the Study of the Nervous System and Behavior·Jennifer A Foley, Sergio Della Sala
Jan 10, 2009·Cortex; a Journal Devoted to the Study of the Nervous System and Behavior·Luigi TrojanoTamar Flash
Jan 19, 2010·Cortex; a Journal Devoted to the Study of the Nervous System and Behavior·Jennifer A Foley, Sergio Della Sala
Jan 8, 2015·Frontiers in Psychology·Christian SeegelkeThomas Schack
May 3, 2011·PLoS Biology·Supratim Ray, John H R Maunsell
Dec 16, 2016·Journal of Neurophysiology·Atsushi YokoiJörn Diedrichsen
Apr 22, 2016·Journal of Neurophysiology·Aaron L WongJohn W Krakauer
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Feb 12, 2017·Experimental Brain Research·Jamie C GormanChristina L Gipson
Jul 19, 2018·Psychological Research·Constanze HesseJutta Billino
Mar 5, 2019·Cortex; a Journal Devoted to the Study of the Nervous System and Behavior·Cortney M HowardLaurel J Buxbaum

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