?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adc&rft.title=Asymmetric+Division+of+Labor+in+Human+Skilled+Bimanual+Action%3A+++The+Kinematic+Chain+as+a+Model&rft.creator=Guiard%2C+Yves&rft.subject=Cognitive+Psychology&rft.description=This+article+presents+a+tentative+theoretical+framework+for+the+study+of+asymmetry+in+the+context+of+human+bimanual+action.+It+is+emphasized+that+in+humans+most+skilled+manual+activities+involve+two+hands+playing+different+roles%2C+a+fact+that+has+been+often+overlooked+in+the+experimental+study+of+human+manual+lateralization.+As+an+alternative+to+the+current+concepts+of+manual+preference+and+manual+superiority%2C+whose+relevance+is+limited+to+the+particular+case+of+unimanual+actions%2C+the+more+general+concept+of+lateral+preference+is+proposed%2C+to+denote+preference+for+one+of+the+two+possible+ways+of+assigning+two+roles+to+two+hands.+A+simple+model+describing+intermanual+division+of+labor+in+the+variety+of+human+skilled+manual+activities+is+outlined.+The+two+main+assumptions+of+the+model+are+the+following.+1)+The+two+hands+represent+two+motors%2C+that+is%2C+devices+serving+to+create+motion%2C+whose+internal+(biomechanical+and+physiological)+complexity+is+ignored+in+the+suggested+approach.+2)+In+humans%2C+the+two+manual+motors+cooperate+with+one+another+as+if+they+were+assembled+in+series%2C+thereby+forming+a+kinematic+chain%3A+In+right-handers+allowed+to+follow+their+lateral+preferences%2C+motion+produced+by+the+right+hand+tends+to+articulate+with+motion+produced+by+the+left.+It+is+suggested+that+the+kinematic+chain+model+may+help+in+understanding+the+adaptive+advantage+of+human+manual+specialization.&rft.date=1987&rft.type=Journal+(Paginated)&rft.type=PeerReviewed&rft.format=text%2Fhtml&rft.identifier=http%3A%2F%2Fcogprints.org%2F625%2F1%2Fjmb_87.html&rft.identifier=++Guiard%2C+Yves++(1987)+Asymmetric+Division+of+Labor+in+Human+Skilled+Bimanual+Action%3A+The+Kinematic+Chain+as+a+Model.++%5BJournal+(Paginated)%5D+++++&rft.relation=http%3A%2F%2Fcogprints.org%2F625%2F