Rapid Changes in Cholinergic Signaling, Myelination, and Thyroid Signaling Pathway Gene Expression in Amygdala Subnuclei in Response to Social Status Maintenance and Reorganization.

3.2 Assessing Gene Expression in the Amygdala Using In Situ Hybridization in Males Who Socially Descend Versus Maintain Dominance 3.2.1 Mice Rapidly Reform Social Hierarchies Following a Social Reorganization Before groups were socially reorganized, all 36 cages of four male mice formed stable linear hierarchies with highly significant directional consistency with more dominant animals directing aggression toward more subordinate animals (Figure S3 , median [IQR] = 0.91 [0.86, 0.96], all p < 0.001).

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