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Abstract #0276

The Evolution of the Mammalian Connectome

Yossi Yovel1, Omri Zomet1, Arieli Bonzach2, Assaf Marom1, and Yaniv Assaf1

1Tel Aviv University, Tel Aviv, Israel, 2Beit Dagan Veterinary institute, Beit Dagan, Israel

Despite its importance, little is known on the evolution of the mammalian brain. Previous work suggests that body size and behavioral function are intertwined in their influence on the evolution of the brain. Most previous studies focused on examining gray matter. Because the underlying white matter connectome facilitates the connections between gray matter areas, it must have simultaneously evolved to support gray matter evolution. In this work we used a wide comparative approach relying on diffusion MRI based fiber-tracking to reconstruct whole-brain structural connectomes and explore its evolution.

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