October 2020
Volume 20, Issue 11
Open Access
Vision Sciences Society Annual Meeting Abstract  |   October 2020
Event-based attention: Selective attention can operate interactive biological motions as a unit
Author Affiliations & Notes
  • Huichao Ji
    Sun Yat-sen University
  • Jun Yin
    Ningbo University
  • Yushang Huang
    Sun Yat-sen University
  • Xiaowei Ding
    Sun Yat-sen University
  • Footnotes
    Acknowledgements  Humanities and Social Sciences Foundation of the Ministry of Education of China (19YJA190004) and Fundamental Research Funds for Colleges and Universities-Key Training Program for Young Teachers(19wkzd23)
Journal of Vision October 2020, Vol.20, 203. doi:https://doi.org/10.1167/jov.20.11.203
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      Huichao Ji, Jun Yin, Yushang Huang, Xiaowei Ding; Event-based attention: Selective attention can operate interactive biological motions as a unit. Journal of Vision 2020;20(11):203. doi: https://doi.org/10.1167/jov.20.11.203.

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

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Abstract

How does selective attention navigate us to people-related information in the social world, for example, to find the same solitary person as a partner in a grand dancing party? According to the prevalent object-based attention theory, single person can be selected as a unit and guide attention, and this theory has received numerous supports in the past thirty years including both behavior and neurophysiological evidence. However, in real-world scenes, we need to detect more social information, such as whether people are involved in social interactions. We thus proposed a new concept of event-based attention that interacting social events can be the elementary unit of selective attention. We examined these two different theories using a paradigm modified from classic two-rectangle cuing paradigm. Observers looked at the four upright biological motions interacting in pairs (paired condition) or not (unpaired condition), and discriminate whether the probe was “T” or “L” after a cue on one agent (Experiment 1). Results indicated a “same-event advantage” only in paired condition: performance was better for probes presented on the same-event agent, compared to probes presented on the equidistant agent but involved in a different event. There was no such difference in inverted biological motions (Experiment 2), excluding any possible influence of low-level features. We thus concluded that interacting social events can serve as the elementary units of selective attention.

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