Abstract:
:There has been much interest in understanding collective dynamics in networks of brain regions due to their role in behavior and cognitive function. Here we show that a simple, homogeneous system of densely connected oscillators, representing the aggregate activity of local brain regions, can exhibit a rich variety of dynamical patterns emerging via spontaneous breaking of permutation or translational symmetries. Upon removing just a few connections, we observe a striking departure from the mean-field limit in terms of the collective dynamics, which implies that the sparsity of these networks may have very important consequences. Our results suggest that the origins of some of the complicated activity patterns seen in the brain may be understood even with simple connection topologies.
journal_name
Sci Repjournal_title
Scientific reportsauthors
Singh R,Menon SN,Sinha Sdoi
10.1038/srep22074subject
Has Abstractpub_date
2016-02-26 00:00:00pages
22074issn
2045-2322pii
srep22074journal_volume
6pub_type
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