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Neuroanatomical Connectivity Macaque

Network diagram of the data in the brainmaps.org/connectivity2list.php?cmd=reset. Each node is a brain area, with size denoting betweeness centrality and color graph distance from the visual cortex. yEds grouping algorithm has been used to cluster groups of nodes.

 

In this network I removed the heavily connected claustrum and reticular nucleus nodes before running clustering. The result is just four big clusters. The right cluster is heavily visual, the lower cluster is somatosensory and motoric, the middle cluster limbic and the left cluster is the hippocampal system.

 

Running a second pass of clustering neatly divides the lower group into a motoric, primary somatosensory and a secondary somatosensory cluster. The limbic cluster divides into a MTL and a cingulate cluster, while the visual splits into a primary cluster, a temporal and a parietal cluster. Very cool.

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Uploaded on January 29, 2008