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In this task, liquid flavors or tastes are orally presented in quantities of one to several milliliters. Oral stimuli are presented by using a gusto-meter consisting of a pump mechanism, tubes and a mouthpiece attached to the MRI head coil. Usually, visual and/or auditory cues are used to provide instructions and/or cues to participants. These may include but are not limited to when to expect oral stimulation and when to swallow. Trials usually last up to 30 seconds and include an oral stimulus of interest, a behavioral response from the participant, and a rinsing procedure to rinse the palate.

References:
See e.g.,
Dalenberg, J. R., Hoogeveen, H. R., Renken, R. J., Langers, D. R. M., & ter Horst, G. J. (2015). Functional specialization of the male insula during taste perception. NeuroImage, 119, 210–220. https://doi.org/10.1016/j.neuroimage.2015.06.062
Marciani, L., Pfeiffer, J. C., Hort, J., Head, K., Bush, D., Taylor, A. J., … Gowland, P. A. (2006). Improved methods for fMRI studies of combined taste and aroma stimuli. Journal of Neuroscience Methods, 158, 186–194. https://doi.org/10.1016/j.jneumeth.2006.05.035
Veldhuizen, M. G., Bender, G., Constable, R. T., & Small, D. M. (2007). Trying to detect taste in a tasteless solution: modulation of early gustatory cortex by attention to taste. Chemical Senses, 32(6), 569–81. https://doi.org/10.1093/chemse/bjm025

Synonyms: Taste stimulation, Flavor stimulation
Definition contributed by SBhogawar about four months ago

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Gustatory stimulation with liquid tastes or flavors has been asserted to measure the following CONCEPTS
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DISORDERS associated with Gustatory stimulation with liquid tastes or flavors
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IMPLEMENTATIONS of Gustatory stimulation with liquid tastes or flavors
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EXTERNAL DATASETS for Gustatory stimulation with liquid tastes or flavors
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CONDITIONS
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Experimental conditions are the subsets of an experiment that define the relevant experimental manipulation.

CONTRASTS
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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.

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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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