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Breaking Haller's rule: brain-body size isometry in a minute parasitic wasp.

Brain, behavior and evolution - 1 Jan 2013

van der Woude Emma, Smid Hans M, Chittka Lars, Huigens Martinus E

Abstract excerpt

Throughout the animal kingdom, Haller's rule holds that smaller individuals have larger brains relative to their body than larger-bodied individuals. Such brain-body size allometry is documented for all animals studied to date, ranging from small ants to the largest mammals. However, through experimental induction of natural variation in body size, and 3-D reconstruction of brain and body volume, we here show an...

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PMID: 23363733
DOI: 10.1159/000345945

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