Pattern identification as a function of stimulation current on a fingertip-scanned electrotactile display

被引:27
作者
Kaczmarek, KA [1 ]
Haase, SJ
机构
[1] Univ Wisconsin, Dept Orthoped & Rehabil Med, Madison, WI 53706 USA
[2] Univ Wisconsin, Dept Biomed Engn, Madison, WI 53706 USA
[3] Shippensburg Univ, Dept Psychol, Shippensburg, PA 17257 USA
关键词
D O I
10.1109/TNSRE.2003.816874
中图分类号
R318 [生物医学工程];
学科分类号
0831 ;
摘要
Two studies were conducted to determine the effect of stimulation current on pattern perception on a 49-point fingertip-scanned electrotactile (electrocutaneous) display. Performance increased monotonically from near chance levels at the lowest subthreshold current levels tested to approximately 90% at the highest comfortable current levels. This suggests the existence of a tradeoff between spatial performance and usable "gray scale" range in electrotactile presentation of graphical information.
引用
收藏
页码:269 / 275
页数:7
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