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Abstract #3375

Morphological comparison of superficial white matter bundles between the human and chimpanzee brain

Maëlig Chauvel1, Marco Pascucci1, Ivy Uszynski1, Bastien Herlin1, Jean-François Mangin1, William Donald Hopkins2, and Cyril Poupon1
1Université Paris-Saclay, CEA, CNRS, UMR 9027, BAOBAB, NeuroSpin, , Gif-sur-Yvette, France, Saclay, France, 2Michele E Keeling Center for Comparative Medicine and Research, The University of Texas MD Anderson Cancer Center, Bastrop, Texas, Texas, TX, United States

Synopsis

Keywords: Brain Connectivity, Neuroscience, chimpanzee, white matter atlasThe role of the superficial brain connections remains unclear. They appear to be important in the structural organization of the connectivity between the different brain gyri and are usually described as 'U-fibers' referring to their shape. Using an isomap algorithm, we explored in finer detail the superficial connectivity of the chimpanzee and human brains, still poorly known. This method allowed us to better capture the variability of the different shapes of the bundles that we observed and to overcome many bias due to subjective preconceptions.

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Keywords