SALT TASTE DETECTION - R-INDEX APPROACH TO SIGNAL-DETECTION MEASUREMENTS

被引：20

作者：

OMAHONY, M ^{[1
]}

GARDNER, L ^{[1
]}

LONG, D ^{[1
]}

HEINTZ, C ^{[1
]}

THOMPSON, B ^{[1
]}

DAVIES, M ^{[1
]}

机构：

[1] UNIV BRISTOL,DEPT PSYCHOL,BRISTOL BS8 1HH,AVON,ENGLAND

来源：

PERCEPTION | 1979年 / 8卷 / 05期

关键词：

D O I：

10.1068/p080497

中图分类号：

R77 [眼科学];

学科分类号：

100212 ;

摘要：

The R-index appraoch to the signal-detection P(A) index of sensitivity was used to measure taste sensitivity to NaCl solutions. The R-index is the predicted probability of the correct choice of a signal, for a given signal-noise pair. For flow-wise and sipwise presentation, R-indices did not fluctuate significantly, provided subjects could not see the stimuli yet to be presented, indicating a lack of sysematic sensitivity drift. The simultaneous measurement of more than one signal strength with reference to a common noise stimulus was seen to be a viable and sensitive procedure. Comparison of flow-wise and sipwise presentation of stimuli using R-indices, indicated that the former elicited greater subject sensitivity to NaCl taste.

引用

页码：497 / 506

页数：10

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