Eye movements provide the extra-retinal signal required for the perception of depth from motion parallax

@article{Nawrot2003EyeMP,
  title={Eye movements provide the extra-retinal signal required for the perception of depth from motion parallax},
  author={Mark Nawrot},
  journal={Vision Research},
  year={2003},
  volume={43},
  pages={1553-1562}
}
It has been unclear whether the perception of depth from motion parallax is an entirely visual process or whether it requires extra-retinal information such as head movements, vestibular activation, or eye movements. Using a motion aftereffect and static test stimulus technique to eliminate visual cues to depth, this psychophysical study demonstrates that the visual system employs a slow eye movement signal, optokinetic response (OKR) in particular, for the unambiguous perception of depth from… CONTINUE READING

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