Motor subcircuits mediating the control of movement extent and speed.

@article{Turner2003MotorSM,
  title={Motor subcircuits mediating the control of movement extent and speed.},
  author={R. Turner and M. Desmurget and Jeff Grethe and M. Crutcher and Scott T. Grafton},
  journal={Journal of neurophysiology},
  year={2003},
  volume={90 6},
  pages={
          3958-66
        }
}
  • R. Turner, M. Desmurget, +2 authors Scott T. Grafton
  • Published 2003
  • Medicine, Psychology
  • Journal of neurophysiology
  • The functional correlates of movement extent, speed, and covariates were investigated using PET mapping of regional cerebral blood flow (rCBF) in 13 healthy right-handed adults. A whole-arm smooth pursuit tracking task was used to strictly control potential confounds such as movement duration, error, and feedback control. During each of four scans, images of relative rCBF were obtained while subjects matched the constant velocity movements of a target using a joystick-controlled cursor. Between… CONTINUE READING

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