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SUMMARY:On the task-dependency and flexibility of bimanual coordination - 
 Jörn Diedrichsen\, University of Wales\, Bangor
DTSTART:20070427T120000Z
DTEND:20070427T130000Z
UID:TALK6275@talks.cam.ac.uk
CONTACT:Cordula Becker
DESCRIPTION:How does the brain coordinate movements across the two hands? 
 Much of previous research has highlighted invariant constraints of bimanua
 l coordination\, such as the tendency to move the hands in synchrony and m
 irror-symmetry. These constraints can be readily observed when trying to r
 ub the belly with one hand\, while padding the head with the other hand. H
 owever\, such work belies the fact that bimanual coordination is a highly 
 flexible and task-dependent process. \nHere I take a functional approach t
 o study how the hands are coordinated such that they can achieve real-worl
 d tasks. First\, I will discuss the role of inter-hemispheric communicatio
 n through the corpus callosum for bimanual coordination. I will show the f
 ast adaptation of coordination during bimanual object manipulation and the
  role of the cerebellum in this process. Finally\, I will use optimal cont
 rol theory to make quantitative predictions about how feedback control and
  feedforward adaptation to force perturbation will change with changing go
 als of bimanual tasks. \n
LOCATION:Seminar Room (ground floor)\, Craik-Marshall Building
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