The presence of sugar in the gut is signalled via the vagus nerve to neurons in the caudal nucleus of the solitary tract, which help to mediate the formation of the preference for sugar over sweeteners.

中文翻译：

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对葡萄糖的直觉。

肠道中糖的存在通过迷走神经向孤束尾核中的神经元发出信号，这有助于介导对糖的偏好的形成。