The nerve cells in the prefrontal cortex of the fathers also contained more receptors for vasopressin, a small peptide that influences social behaviour and pair-bonding.
父绒猴前额叶皮层的神经细胞也包含更多的后叶加压素受体（receptors for vasopressin），是一种较小的/短肽（peptide）分子，对社交行为和配偶间关系有影响。
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