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Retooling spare parts: gene duplication and cognition

Two new studies provide experimental evidence of how ancient genomic duplications of synaptic genes provided the substrate for diversification that ultimately expanded vertebrate cognitive complexity.

T Grant Belgard & Daniel H Geschwind
Nature Neuroscience 16, 6–8 (2013) doi:10.1038/nn.3292
Published online 21 December 2012


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