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图1 社交行为性别偏好性的性别二态性变化 （图源：Anqi Wei，et al。，Science， 2025） 为揭示小鼠社交性偏好转变的环路机制，研究人员通过c-Fos染色发现中脑DA神经元（VTADA）及其下游环路的活性变化与之密切相关。有意思的是，雄鼠的活性改变主要发生在DA神经元 ...