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Sexual dimorphism in striatal dopaminergic responses promotes monogamy in social songbirds
2017
eLife
In many songbird species, males sing to attract females and repel rivals. How can gregarious, non-territorial songbirds such as zebra finches, where females have access to numerous males, sustain monogamy? We found that the dopaminergic reward circuitry of zebra finches can simultaneously promote social cohesion and breeding boundaries. Surprisingly, in unmated males but not in females, striatal dopamine neurotransmission was elevated after hearing songs. Behaviorally too, unmated males but not
doi:10.7554/elife.25819
pmid:28826502
pmcid:PMC5584986
fatcat:iyqhnce63bfshnbxmblhpyotwa