Conservation of brain connectivity and wiring across the mammalian class.

Nature Neuroscience
Yaniv AssafYossi Yovel

Abstract

Over 100 years ago, Ramon y Cajal hypothesized that two forces played a role in the evolution of mammalian brain connectivity: minimizing wiring costs and maximizing conductivity speed. Using diffusion MRI, we reconstructed the brain connectomes of 123 mammalian species. Network analysis revealed that both connectivity and the wiring cost are conserved across mammals. We describe a conservation principle that maintains the overall connectivity: species with fewer interhemispheric connections exhibit better intrahemispheric connectivity.

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Citations

Jan 1, 2021·PLoS Biology·Katherine L BryantRogier B Mars
Nov 17, 2020·Network Neuroscience·Daniel GrahamBratislav Mišić
Jul 16, 2021·Brain Structure & Function·Katherine L BryantRogier B Mars
Aug 14, 2021·Developmental Cognitive Neuroscience·M RoellG Borst
Aug 16, 2021·Neuroinformatics·Ittai Shamir, Yaniv Assaf
Aug 15, 2021·Neural Networks : the Official Journal of the International Neural Network Society·Alexandros GoulasClaus C Hilgetag

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Software Mentioned

Matlab
ExploreDTI
SPM12

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