June 2017
Volume 17, Issue 7
Open Access
OSA Fall Vision Meeting Abstract  |   June 2017
The contribution of visual pursuit to prediction in a naturalistic interception task
Journal of Vision June 2017, Vol.17, 56. doi:https://doi.org/10.1167/17.7.56
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      Kamran Binaee, Gabriel J. Diaz; The contribution of visual pursuit to prediction in a naturalistic interception task. Journal of Vision 2017;17(7):56. doi: https://doi.org/10.1167/17.7.56.

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      © ARVO (1962-2015); The Authors (2016-present)

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Emerging evidence suggests that pursuit of a target moving in 2D facilitates judgments related to its future trajectory [1], and improves performance when pointing to intercept [2]. However, it is unclear if pursuit aids prediction when the target also moves in depth, as in the real world. To investigate, we recorded the gaze and motor behavior of subjects tasked with catching virtual balls seen through a head mounted display. The virtual ball was “blanked” for 500 ms of its flight. Between-trial manipulation of the pre-blank duration was intended to test the contribution of early visual information to prediction across the blank (600, 800, or 1000 ms). Between trial manipulation of the post-blank duration was used to indirectly affect the angular velocity of the ball at reappearance; at shorter post-blank durations, the ball will appear closer to the subject, moving more quickly through angular space (300, 400, or 500ms). Initial analysis yields some evidence of benefits from pursuit to catching error.

Meeting abstract presented at the 2016 OSA Fall Vision Meeting

Spering, M., Schütz, A. C., Braun, D. I., Gegenfurtner, K. R.“Keep your eyes on the ball: smooth pursuit eye movements enhance prediction of visual motion.,” J. Neurophysiol. vol. 105(no. 4): 1756–67Apr. 2011. [CrossRef]
Spering, M.“Seeing and Moving: How Eye Movements Improve Hand Movements,” J. Vis. vol. 16(no. 4): 33– Feb. 2016. [CrossRef]

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