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SUMMARY:A new look at human motor control - Dr. Dana Ballard\, University 
 of Texas at Austin
DTSTART:20120619T120000Z
DTEND:20120619T130000Z
UID:TALK38432@talks.cam.ac.uk
CONTACT:John Mollon
DESCRIPTION:Modeling the generation of human movement can be extraordinari
 ly difficult owing to the complexity of the underlying musculoskeletal sys
 tem. The dynamics equations are non-linear and have many degrees of freedo
 m\, making them all but intractable to solve directly. We posit that this 
 system can be simplified if its movements are modeled as a set of basis mo
 vements that can be adapted to varying conditions. We show that the comman
 d torques for such movements can be read out by a dynamic model that is co
 nstrained to follow human movements as measured by a motion capture system
 . The resultant torques can be replayed in the model to reproduce the orig
 inal movements provided they are augmented by linear stabilizing terms. Th
 e resultant system provides a novel method of modeling human dynamics and 
 suggests a novel way of formulating and solving the general problem of con
 trolling human movement.
LOCATION:Lecture Theatre\, Department of Experimental Psychology\, Downing
  Site
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