We expect local clusters of students and parents to get together on a regular basis in their areas. (k12.com)
Each core is represented as an individual point along the ring; their arrangement into local clusters reflects their assignment to the 77 regions. (discovermagazine.com)
So I think the most significant implication of this research is that the connectome is organised in a hierarchical manner, with dense local clusters of neurons — «cliques» — connected to other clusters in different parts of the brain. (newscientist.com)