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看见想吐,吃不下饭?科学家揭示厌恶性记忆引起摄食减少的神经环路
在捕食者气味、慢性应激、恐惧记忆等不良状态下动物的摄食行为减少。外侧臂旁核(lPB)在疼痛信号处理和恐惧记忆形成过程中发挥重要的作用,可将伤害性感觉信息传递给多个下游脑区:激活lPB投射到杏仁核或外侧下丘脑的环路后可抑制小鼠进食。 旁丘脑底核 ...
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