Time-to-contact estimation of accelerated stimuli is based on first-order information.

@article{Benguigui2003TimetocontactEO,
  title={Time-to-contact estimation of accelerated stimuli is based on first-order information.},
  author={Nicolas Benguigui and Hubert Ripoll and Michael P. Broderick},
  journal={Journal of experimental psychology. Human perception and performance},
  year={2003},
  volume={29 6},
  pages={1083-101}
}
The goal of this study was to test whether 1st-order information, which does not account for acceleration, is used (a) to estimate the time to contact (TTC) of an accelerated stimulus after the occlusion of a final part of its trajectory and (b) to indirectly intercept an accelerated stimulus with a thrown projectile. Both tasks require the production of an action on the basis of predictive information acquired before the arrival of the stimulus at the target and allow the experimenter to make… CONTINUE READING
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