December 2022
Volume 22, Issue 14
Open Access
Vision Sciences Society Annual Meeting Abstract  |   December 2022
Saccadic control for reducing uncertainty
Author Affiliations
  • Jacqueline Gottlieb
    Columbia University
Journal of Vision December 2022, Vol.22, 3148. doi:https://doi.org/10.1167/jov.22.14.3148
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      Jacqueline Gottlieb; Saccadic control for reducing uncertainty. Journal of Vision 2022;22(14):3148. https://doi.org/10.1167/jov.22.14.3148.

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

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Abstract

Saccades gather visual information. Although few scientists would question this statement, the neural mechanisms of saccade target selection are typically described in terms of reward with no reference to information. I will describe evidence from my laboratory that attentional sampling is sensitive to expected information gains (EIG). Saccade selective neurons in the parietal cortex are modulated by the two quantities that determine EIG - uncertainty and predictive validity - independently of rewards. Moreover, the effects of uncertainty before the saccade modulate the efficiency with which monkeys use the information after the saccade. The findings suggest that saccade target selection is closely coordinated with our belief states and is geared toward reducing the future uncertainty of those states.

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