Effective visual field in driving revealed by gaze-contingent window method

Kenji Yokoi, Katsumi Watanabe, Takatsune Kumada, Hiroshi Doi, Masaro Kogure, Toshimasa Yamamoto

Research output: Contribution to journalArticlepeer-review

1 Citation (Scopus)


The human visual system acquires information by frequently shifting its gaze. However, it is not clear to what extent the visual system gathers valid information at each point of gaze while the observer is engaging in dynamic visual-motor tasks, including driving. In this study, we investigated the effective visual field by superimposing a gaze-contingent window in real time while simulating a driving situa-tion. Our results showed that drivers detect cars and pedestrians by using a relatively wide visual field (over 40 degrees). However, the ef-fective visual field used for safe driving (e.g., maintaining speed) was restricted to within 20 to 30 degrees.

Original languageEnglish
Pages (from-to)497-501
Number of pages5
JournalReview of Automotive Engineering
Issue number4
Publication statusPublished - 2006 Oct
Externally publishedYes

ASJC Scopus subject areas

  • Automotive Engineering


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