伏隔核(nucleus accumbens,NAc)係線條體(striatum)嘅其中一橛。伏隔核係犒賞系統嘅一部份,會接收有關「外界有冇犒賞存在」嘅資訊,並且幫手令隻動物出現動機同情緒上起變化,準備好要採取行動嚟攞想要嘅犒賞。
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