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New maps hint at how electric fish got their big brains


November 15, 2018

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Researchers at Washington University in St. Louis have mapped the regions of the brain in mormyrid fish in extremely high detail. The new measurements can help illuminate longstanding questions in neuroanatomy. As brains get bigger, do all regions of the brain scale up in a predictable way? Or does natural selection act independently on separate regions of the brain -- such that certain parts of the brain become enlarged in animals that have extra reasons to use them? Full Story

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Washington University in St. Louis

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