期刊
PERCEPTION & PSYCHOPHYSICS
卷 62, 期 6, 页码 1220-1235出版社
PSYCHONOMIC SOC INC
DOI: 10.3758/BF03212124
关键词
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资金
- NINDS NIH HHS [NS-04755] Funding Source: Medline
In order to provide information regarding orientation or direction, a convenient code employs vectors (lines) because they have both length and direction. Potential users of such information, encoded tactually, could include persons who are blind, as well as pilots, astronauts, and scuba divers, all of whom need to maintain spatial awareness in their respective unusual environments. In these situations, a tactile display can enhance environmental awareness. In this study, optimal parameters were explored for Lines presented dynamically to the skin with vibrotactile arrays on three body sites, with veridical and saltatory presentation modes. Perceived length, straightness, spatial distribution, and smoothness were judged while the durations of the discrete taps making up the drawn dotted Lines and the times between them were varied. The results indicate that the two modes produce equivalent sensations and that similar sets of timing parameters, within the ranges tested, result in good lines at each site.
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