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This test measures the perceived intensity of quinine (a bitter tastant) and salt administered in liquid solutions. The tastants are each applied to the tip of the tongue as well as swished around in the whole mouth and are rated on a generalized labeled magnitude scale (gLMS). The gLMS is a measure of perceived intensity, with seven anchor labels provided (Strongest imaginable, Very strong, Strong, Moderate, Weak, Barely detectable, No sensation). Participants can rate their intensity by clicking with a computer mouse on any point on the scale from Strongest imaginable to No sensation. The computer records the exact location of the response. A score from 0-100 on a semi-logarithmic scale is produced for each of the four items (quinine whole mouth, salt whole mouth, quinine tip of tongue, salt tip of tongue), corresponding to the point on the gLMS where the participant clicked. A higher score represents greater perceived intensity of the tastant.
Definition contributed by CTorgerson about four years ago
Member of collection: NIH Toolbox Sensation and Pain Battery
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NIH Toolbox Taste Intensity Test has been asserted to measure the following CONCEPTS



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Experimental conditions are the subsets of an experiment that define the relevant experimental manipulation.

CONTRASTS

In the Cognitive Atlas, we define a contrast as any function over experimental conditions. The simplest contrast is the indicator value for a specific condition; more complex contrasts include linear or nonlinear functions of the indicator across different experimental conditions.

INDICATORS

An indicator is a specific quantitative or qualitative variable that is recorded for analysis. These may include behavioral variables (such as response time, accuracy, or other measures of performance) or physiological variables (including genetics, psychophysiology, or brain imaging data).


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