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Attention induces surround suppression in visual working memory

  • Ming W. H. Fang
  • Susan M. Ravizza
  • Taosheng LiuEmail author
Brief Report

Abstract

Controversy currently exists regarding whether visual working memory (VWM) maintains sensory or non-sensory representations. Here, we tested the nature of VWM representations by leveraging a perceptual surround suppression effect when an item is attended. Participants performed a delayed-estimation task in which they memorized an array of six colors. A cue indicated which location was most likely probed. In separate experiments, we manipulated external attention (via a precue) or internal attention (via a retrocue). Both types of attention elicited a surround suppression effect, such that memory performance showed a Mexican-hat profile as a function of cue-probe offsets. Given the sensory origin of the surround suppression effect, our results thus provide compelling evidence that VWM maintenance relies on sensory mechanisms.

Keywords

Attention Visual working memory Surround suppression Sensory recruitment 

Notes

Author Note

This work was supported by a grant from the National Institutes of Health (R01EY022727) to T.L. The authors declare that they have no conflicts of interest with respect to their authorship or the publication of this article. Author contributions: This work was conceived and designed by M.W.H. Fang and T. Liu. M.W.H. Fang collected and analyzed the data. S.M. Ravizza and T. Liu supervised the research. M.W.H. Fang, S.M. Ravizza, and T. Liu wrote the manuscript.

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Copyright information

© The Psychonomic Society, Inc. 2019

Authors and Affiliations

  • Ming W. H. Fang
    • 1
  • Susan M. Ravizza
    • 1
    • 2
  • Taosheng Liu
    • 1
    • 2
    Email author
  1. 1.Department of PsychologyMichigan State UniversityEast LansingUSA
  2. 2.Neuroscience ProgramMichigan State UniversityEast LansingUSA

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