Odor mixture perception during flavor consumption in rats.

Odor mixture perception during flavor consumption in rats.
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DOI:
10.1037/bne0000510
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发表时间:
2022-08
影响因子:
1.9
通讯作者:
Maier, Joost X.
Maier, Joost X.
中科院分区:
医学4区
文献类型:
--
作者:
Christensen, Brooke A.;Triplett, Cody S.;Maier, Joost X.

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气味混合物可以被感知为气味性的(即,不同于它们的组分)或元素(即,类似于其组件)。先前的工作表明,这些感知模式是由混合成分之间的外围和中央相互作用决定的。风味消费与独特的周边和中央气味处理机制,但如何影响这种情况下的气味混合物的感知仍然是未知的。在这里,我们使用了一个味道消耗任务的大鼠来衡量二元气味混合物及其组分的解决方案的偏好。与以前在其他情况下使用相同混合物的研究结果相反,我们的研究结果表明,大鼠在消费的背景下采用元素混合物处理策略。我们讨论了潜在的外围和中央机制,可以解释独特的混合感知消费。
Odor mixtures can be perceived as configural (i.e., different from their components) or elemental (i.e., similar to their components). Previous work demonstrates that these perceptual modes are determined by both peripheral and central interactions among mixture components. Flavor consumption is associated with unique peripheral and central odor processing mechanisms, but how this context affects perception of odor mixtures remains unknown. Here, we used a flavor consumption task in rats to measure preferences for solutions of binary odor mixtures and their components. In contrast to previous findings using identical mixtures in other contexts, our results demonstrate that rats employ elemental mixture processing strategies in the context of consumption. We discuss potential peripheral and central mechanisms that could explain unique mixture perception during consumption.
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