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Using eye-controlled highlighting techniques to support both serial and parallel processing in visual search.

Recent research has developed two eye-controlled highlighting techniques, namely, block highlight display (BHD) and single highlight display (SHD), that enhance information presentation based on a user's current gaze position. The present research aimed to investigate how these techniques facilitate...

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Published in:Applied Ergonomics Vol. 97
Main Authors: Pan, Yunxian, Ge, Xianliang, Ge, Liezhong, Xu, Jie
Format: research Journal Article
Published: Elsevier B.V. Nov2021
Online Access:View this record in EBSCOhost
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      dt: Nov2021
      vid: 97
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      pub: Elsevier B.V.
      place: Philadelphia, Pennsylvania
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        atl: Using eye-controlled highlighting techniques to support both serial and parallel processing in visual search.
      aug:
        au:
          Pan, Yunxian
          Ge, Xianliang
          Ge, Liezhong
          Xu, Jie
        affil: Center for Psychological Sciences, Zhejiang University, Hangzhou, Zhejiang Province, China
      sug:
        subj:
          Visual Perception
          Reaction Time
          Human
      ab: Recent research has developed two eye-controlled highlighting techniques, namely, block highlight display (BHD) and single highlight display (SHD), that enhance information presentation based on a user's current gaze position. The present research aimed to investigate how these techniques facilitate mental processing of users' visual search in high information-density visual environments. In Experiment 1, 60 participants performed 3-, 6-, 9-, and 12-icon visual search tasks. The search times significantly increased as the number of icons increased with the SHD but not with the BHD. In Experiment 2, 40 participants performed a 49-icon visual search task. The search time was faster, and the fixation spatial density was lower with the BHD than with the SHD. These results suggested that the BHD supported parallel processing in the highlighted area and serial processing in the broader display area; thus, the BHD improved search performance compared to the SHD, which primarily supported serial processing.
      pubtype: Academic Journal
      doctype:
        research
        Journal Article
      ougenre: Article
    language: English
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