Example of network alignment for two adult brains (adult 3 and adult 4).

<p>Before alignment: <i>R</i> = 0.6019. After alignment: <i>R</i> = 0.6481. Many nodes of the adjacency matrix representing adult 3 stayed in the same location after reordering (see <a href="http://www.plosone.org/article/info:doi/10.1371/journal.pone.0096196#pone-0096196-t001" target="_blank">Table 1</a> for reordered indices). However, some nodes switched positions with its neighbors, e.g., as highlighted in red color: node 68 in adult 3 was aligned with node 54 in adult 4.