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- Alan C. Spector
- Department of Psychology and Center for Smell and Taste, University of Florida
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- Susan P. Travers
- Section of Oral Biology, College of Dentistry, Ohio State University
書誌事項
- 公開日
- 2005-09
- 権利情報
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- https://journals.sagepub.com/page/policies/text-and-data-mining-license
- DOI
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- 10.1177/1534582305280031
- 公開者
- SAGE Publications
この論文をさがす
説明
<jats:p> The process by which the mammalian nervous system represents the features of a sapid stimulus that lead to a perception of taste quality has long been controversial. The labeled-line (sparse coding) view differs from the across-neuron pattern (ensemble) counterpoint in proposing that activity in a given class of neurons is necessary and sufficient to generate a specific taste perception. This article critically reviews molecular, electro-physiological, and behavioral findings that bear on the issue. In the peripheral gustatory system, the authors conclude that most qualities appear to be signaled by labeled lines; however, elements of both types of coding characterize signaling of sodium salts. Given the heterogeneity of neuronal tuning functions in the brain, the central coding mechanism is less clear. Both sparse coding and neuronal ensemble models remain viable possibilities. Furthermore, temporal patterns of discharge could contribute additional information. Ultimately, until specific classes of neurons can be selectively manipulated and perceptual consequences assessed, it will be difficult to go beyond mere correlation and conclusively discern the validity of these coding models. </jats:p>
収録刊行物
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- Behavioral and Cognitive Neuroscience Reviews
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Behavioral and Cognitive Neuroscience Reviews 4 (3), 143-191, 2005-09
SAGE Publications