A direct comparison of the taste of electrical and chemical stimuli.

A direct comparison of the taste of electrical and chemical stimuli. Research Abstract Details 

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A direct comparison of the taste of electrical and chemical stimuli. Abstract Text:

Three multidimensional scaling studies were conducted to compare the taste qualities evoked from electrical and chemical stimulation, including ferrous sulfate as a typical "metallic" taste stimulus. Bipolar, anodal, and cathodal stimulation were delivered by 1.5- or 3-V batteries applied to the tongue. Solutions of chemical stimuli including prototypical tastes and binary mixtures were evaporated on small metal disks to provide tactile impressions similar to those of the battery stimuli and avoid any potential response biases induced by the subjects' knowledge of the form of the stimulus. Multidimensional unfolding was performed to place stimuli and verbal descriptors in common perceptual spaces. Bipolar, anodal, and cathodal stimuli were tested in separate experiments but generated very similar perceptual spaces and were differentiated from the chemical stimuli. Electrical stimuli were associated with descriptors, such as metallic, copper penny, and iron nail, regardless of the polarity of stimulation. Taste qualities evoked by electric stimuli may not be fully described by commonly used taste stimuli or their binary mixtures and appear most adequately described by a unique metallic taste.

A direct comparison of the taste of electrical and chemical stimuli. Publishing Authors By Initials

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A direct comparison of the taste of electrical and chemical stimuli. Journal Published:

PUBLICATION TYPE: Research Support, N.I.H., Extr

Journal: Chemical senses

VOLUME: 33

Page Numbers: 405-13

Journal Abbreviation: Chem. Senses

ISSN: 1464-3553

DAY: 2

MONTH: 03

YEAR: 2008

A direct comparison of the taste of electrical and chemical stimuli. Information

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LANGUAGE: eng

NlmUniqueID: 8217190

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Chemical & Substance for Abstract: A direct comparison of the taste of electrical and chemical stimuli. Information

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Grant and Affiliation Information for A direct comparison of the taste of electrical and chemical stimuli.

AFFILIATION: Department of Food Science, Stocking Hall, Cornell University, Ithaca, NY 14850, USA.

Country: England

AGENCY: United States NIDCD

GRANT: DC 006223

ACRONYM: DC

MEDLINETA: Chem Senses

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