After establishing a novel operant conditioning paradigm that enables mice to report their interoceptive hunger state (fasted or sated), the authors investigated the hypothalamic neural circuitry that underpins these internal states using optogenetics and chemogenetics.

中文翻译：

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来自内部的饥饿

在建立了一种新的操作性条件反射范式，使小鼠能够报告它们的内感受性饥饿状态（禁食或饱食）后，作者使用光遗传学和化学遗传学研究了支撑这些内部状态的下丘脑神经回路。