Xiao Gao, Xue Sun, Maria G. Veldhuizen, Yuko Nakamura, Nils B. Kroemer, Dana Small
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引用次数: 0
Abstract
Most functional magnetic resonance imaging (fMRI) studies of taste deliver small quantities of liquids over roughly 45?min to repeatedly sample brain response to tastants. Within this time participants frequently report that their need to urinate increases.
Since both gustatory and interoceptive information are represented in the anterior insular cortex, we evaluated whether perceived need to urinate influenced insular responses to the receipt of a small bolus of milkshake in two datasets (n?=?45).
Change in pre- to post-scan ratings of desire to urinate was inversely related to anterior insular response to milkshake.
This finding demonstrates that micturition drive influences insular response to milkshake and supports previous reports of overlapping gustatory and visceral representation within human anterior insular cortex.
期刊介绍：
Coverage in Chemosensory Perception includes animal work with implications for human phenomena and explores the following areas:
Identification of chemicals producing sensory response;
Identification of sensory response associated with chemicals;
Human in vivo response to chemical stimuli;
Human in vitro response to chemical stimuli;
Neuroimaging of chemosensory function;
Neurological processing of chemoreception;
Chemoreception mechanisms;
Psychophysics of chemoperception;
Trigeminal function;
Multisensory perception;
Contextual effect on chemoperception;
Behavioral response to chemical stimuli;
Physiological factors affecting and contributing to chemoperception;
Flavor and hedonics;
Memory and chemoperception.
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