The long term goals of this project are to arrive at a better understanding of how the central nervous system works to organize and control the limb movements involving more than one joint. The problems that arise in he organization and control of such movements concern questions such as: how is a point in space mapped into a proper set of joint angles so that the limb moves accurately to a target, how are the many muscles required to produced a movement coordinated, and what kind of feedback is appropriate to control multi-joint limb movements? This proposal deals with each of these problems. Psychophysical studies are planned to identify how information on the location of a point in extra-personal space and the orientation of the arm is represented within the central nervous system. Other experiments deal with the question: what are the rules which determine the proper level of activation of different muscles given a desired amount of torque. Results of these experiments should provide a better understanding of how the CNS normally controls movements and provide the basis for a better assessment of movement disorders and for the rational design of prosthetic devices.
| Tramper, Julian J; Flanders, Martha (2013) Predictive mechanisms in the control of contour following. Exp Brain Res 227:535-46 |
| Mrotek, Leigh A (2013) Following and intercepting scribbles: interactions between eye and hand control. Exp Brain Res 227:161-74 |
| Furuya, Shinichi; Soechting, John F (2012) Speed invariance of independent control of finger movements in pianists. J Neurophysiol 108:2060-8 |
| Furuya, Shinichi; Flanders, Martha; Soechting, John F (2011) Hand kinematics of piano playing. J Neurophysiol 106:2849-64 |
| Soechting, John F; Flanders, Martha (2011) Multiple Factors Underlying Haptic Perception of Length and Orientation. IEEE Trans Haptics :263-272 |
| Winges, Sara A; Soechting, John F (2011) Spatial and temporal aspects of cognitive influences on smooth pursuit. Exp Brain Res 211:27-36 |
| Furuya, Shinichi; Soechting, John F (2010) Role of auditory feedback in the control of successive keystrokes during piano playing. Exp Brain Res 204:223-37 |
| Soechting, John F; Rao, Hrishikesh M; Juveli, John Z (2010) Incorporating prediction in models for two-dimensional smooth pursuit. PLoS One 5:e12574 |
| Winges, Sara A; Eonta, Stephanie E; Soechting, John F (2010) Does temporal asynchrony affect multimodal curvature detection? Exp Brain Res 203:1-9 |
| Soechting, John F; Juveli, John Z; Rao, Hrishikesh M (2009) Models for the extrapolation of target motion for manual interception. J Neurophysiol 102:1491-502 |
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