The gustatory cortex and multisensory integration.

The gustatory cortex and multisensory integration.
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DOI:
10.1038/ijo.2009.70
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发表时间:
2009-06
影响因子:
4.9
通讯作者:
Simon, S. A.
Simon, S. A.
中科院分区:
医学2区
文献类型:
--
作者:
de Araujo, I. E.;Simon, S. A.

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中央味觉通路是大脑回路的一部分,它决定摄取或拒绝一种食物。然而,食物刺激物的质量不仅取决于它们的味道,还取决于气味、质地和温度等特性。我们将回顾解剖学和功能证据表明,中央味觉系统,特别是它的皮质方面,作为一个综合回路,其中味觉反应神经元也显示出对躯体感觉和嗅觉刺激的敏感性。此外,味觉通路受到身体内部状态的调节,神经元对味觉的反应会随着胃肠激素和血糖水平等生理参数的变化而变化。因此,中央味觉通路似乎不是作为外周味觉感受器细胞的感受场,而是作为一个多感觉系统运行,专门用于评估口腔内刺激的生物学意义。
The central gustatory pathways are part of the brain circuits upon which rest the decision to ingest or reject a food. The quality of food stimuli, however, relies not only on their taste but also on properties such as odor, texture and temperature. We will review anatomical and functional evidence showing that the central gustatory system, in particular its cortical aspect, functions as an integrative circuit where taste-responsive neurons also display sensitivity to somatosensory and olfactory stimulation. In addition, gustatory pathways are modulated by the internal state of the body, with neuronal responses to tastes changing according to variations in physiological parameters such as gastrointestinal hormones and blood glucose levels. Therefore, rather than working as the receptive field of peripheral taste receptor cells, the central gustatory pathways seem to operate as a multisensory system dedicated to evaluate the biological significance of intra-oral stimuli.
DOI: 10.1159/000093760
发表时间: 2006-01-01
期刊: TASTE AND SMELL: AN UPDATE
影响因子: --
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