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Abstract #1797

Subdivision of the occipital lobes with tractography

Michel Thiebaut de Schotten 1,2 , Marika Urbanski 1 , Romain Valabregue 1 , Dimitri Bayle 1 , and Emmanuelle Volle 1

1 Brain and Spine Institute, Paris, France, 2 Natbrainlab - Institute of Psychiatry, London, United Kingdom

Exploring brain connectivity is fundamental to understanding the functional architecture of the cortex. In our study we employed tractography, combined with the principal component analysis statistical framework, to divide the occipital lobes into eight areas showing sharp differences in their anatomical connectivity in a group of eighteen healthy participants. Our results showed similarities with functional imaging data in healthy controls and cognitive profiles in brain-damaged patients. Taken together these results provide a new promising anatomical subdivision of the living human brain based on its anatomical connectivity,which may benefit neuroanatomical dissociations and functional neuroimaging results.

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