September 2021
Volume 21, Issue 9
Open Access
Vision Sciences Society Annual Meeting Abstract  |   September 2021
Learned suppression is based on a proactive mechanism
Author Affiliations & Notes
  • Nancy Carlisle
    Lehigh University
  • Ziyao Zhang
    Lehigh University
  • Footnotes
    Acknowledgements  R15EY030247
Journal of Vision September 2021, Vol.21, 2616. doi:
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    • Get Citation

      Nancy Carlisle, Ziyao Zhang; Learned suppression is based on a proactive mechanism. Journal of Vision 2021;21(9):2616.

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

  • Supplements

In learned suppression, repeated exposure to a specific salient singleton distractor color during visual search leads to a learned ignoring of the otherwise strong bottom-up signal from the distractor. One remaining question is whether this ignoring is based on a pre-search preparatory suppression of the learned color, or a reactive mechanism after attention is captured by the salient distractor during visual search. Previous research has focused on responses to the distractor during search, making it impossible to know if the effects are based on a preparatory suppression. Here, we use SSVEP to measure the pre-search response to the learned distractor color compared to other colors. The neural response to the learned distractor color was suppressed compared to the other colors, providing the first evidence that the mechanism of learned distractor suppression is present in the pre-search period. This result is in line with the predictions of a proactive color-specific suppression in learned suppression.


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