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中枢杏仁核调节了独特的冲突行为,在一个自然的食任务

Sunwhi Kimm¹, Jeansok J Kim², June-Seek Choi¹

¹School of Psychology, Korea University, Seoul, Republic of Korea.

Frontiers in behavioral neuroscience

|August 21, 2023

概括

中枢桃体 (CeA) 调节老鼠的复杂冲突行为,而不仅仅是简单的接近或回避. 病变减少了冲突行为,改变了接近-避开动态,突出了CeA.

科学领域:

神经科学是一个神经科学.
行为科学行为科学

背景情况:

冲突情况会引发各种行为,不仅仅是简单的接近或回避.
现有的研究往往忽视了冲突行为的复杂性,专注于方法抑制.

研究的目的:

研究中央桃体 (CeA) 在调节冲突类行为 (CLBs) 中的作用.
在半自然的环境中检查CLB和接近/回避行为之间的关系.

主要方法:

鼠被 subjected to a foraging task with a food reward and a robotic predator. 鼠被 subjected to a foraging task 与食物奖励和一个机器人捕食者一起进行食物搜集任务. 鼠被 subjected to a foraging task 与食物奖励和一个机器人捕食者一起进行食物搜集任务.
在中央桃体 (CeA) 上进行了电解病变.
量化了类似冲突的行为 (对角方式,伸展姿势),避开 (隐藏) 和接近 (相互作用).

主要成果:

在面对守护食物的捕食者时,老鼠表现出对角的方法和伸展的姿势.
CeA病变显著降低了这些CLB,减少了回避,增加了接近行为.
伤害后出现了避免和接近之间的负相关性,但CLB与两者都没有紧密联系.

结论:

中枢桃体 (CeA) 对于调节复杂的冲突行为至关重要.
在冲突情况下,CEA的作用与简单的方法抑制机制相竞争.
CLB与接近或回避行为不同,并且不能直接预测.

关键词:

阿米格达拉的桃体冲突冲突冲突冲突防御性行为防御性行为寻找料,寻找其他食物.捕食者捕食者捕食者

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