Strategy of visual search of targets on screen through eye movement of elderly person

  • Authors:

  • Kazunari Morimoto;Yasumasa Okuyama;Xu Xiaonian;Ryu Hyun-Seok;Koo Kang;Son Tae Won

  • Affiliations:

  • Graduate School of Science and Technology, Kyoto Institute of Technology, Kyoto, Japan;Graduate School of Science and Technology, Kyoto Institute of Technology, Kyoto, Japan;Graduate School of Science and Technology, Kyoto Institute of Technology, Kyoto, Japan;School of Textiles, Yeungnam University, Gyeongsangbuk-do, Korea;School of Textiles, Yeungnam University, Gyeongsangbuk-do, Korea;School of Textiles, Yeungnam University, Gyeongsangbuk-do, Korea

  • Venue:
  • UAHCI'07 Proceedings of the 4th international conference on Universal access in human computer interaction: coping with diversity
  • Year:
  • 2007

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Abstract

It is important that the operation characteristic of the elderly have to clear for designing information equipment that was deeply considered about influences of aging. Visual search tasks were imposed on the elderly in this study and found strategy for searching target by analyzing their eye movements that gazing time, gazing position and locus in the search task. Experimental parameters of stimulus were the number of character strings, the letter types, and the number of stimulus represented on screen. Results showed that mean gazing times become long in accordance with the number of characters. When alphabetic letters was reproduced on screen, the elderly hesitated to search a target stimulus. By analysis of gazing position and locus of eye movement, the strategy of visual search of the elderly was categorized three patterns.