Anticipating the effects of gravity when intercepting moving objects: differentiating up and down based on nonvisual cues.

@article{Senot2005AnticipatingTE,
  title={Anticipating the effects of gravity when intercepting moving objects: differentiating up and down based on nonvisual cues.},
  author={Patrice Senot and Myrka Zago and Francesco Lacquaniti and Joseph McIntyre},
  journal={Journal of neurophysiology},
  year={2005},
  volume={94 6},
  pages={4471-80}
}
Intercepting an object requires a precise estimate of its time of arrival at the interception point (time to contact or "TTC"). It has been proposed that knowledge about gravitational acceleration can be combined with first-order, visual-field information to provide a better estimate of TTC when catching falling objects. In this experiment, we investigated the relative role of visual and nonvisual information on motor-response timing in an interceptive task. Subjects were immersed in a… CONTINUE READING
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