ArticleiScience2026
Distinctly structured social behavior across three rodent strains is associated with different neural activity patterns.
Article in iScience, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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Authors and funding
6 authors.
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Abstract
Social behavior varies considerably across mammalian species, yet the neural basis for these variations remains unclear. We compared the behavior of three commonly used laboratory rodent strains (C57BL/6J and CD1 mice and SD rats) in social preference and free interaction tasks. Animals carried chronically implanted electrodes in brain regions associated with social motivation. The three strains exhibited distinctly structured social behavior: SD rats showed the strongest social motivation, CD1 mice were most active, and C57BL/6J mice displayed the most restrained behavior. Electrophysiology revealed strain- and task-specific theta and gamma power and coherence. Strikingly, SD rats displayed low baseline coherence followed by robust induction during interactions, while C57BL/6J mice exhibited opposite tendencies. Machine learning models allowed accurate strain separation based solely on brain electrophysiology, with theta and gamma coherence between the prelimbic cortex and nucleus accumbens shell playing a key role in defining distinct neuronal signatures of strain-specific social strategies.
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