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. Author manuscript; available in PMC: 2013 Feb 22.
Published in final edited form as: Neuron. 2012 Oct 4;76(1):209–222. doi: 10.1016/j.neuron.2012.09.012

Figure 2. Schematic diagram showing the key circuits involved in regulating brain states.

Figure 2

A, Sagital view. Arrows indicate major pathways connecting the brain areas. Red arrow, pathway inducing cortical desynchronization; blue arrow, pathway inducing cortical synchronization, black arrow; pathway that mediate both synchronization and desynchronization; light red, possible pathway for desynchronization; light blue, possible pathway for synchronization. Each cell types were schematically illustrated by colored dots in each brain area. B, Coronal view of the basal forebrain/preoptic area, at the position indicated by dashed line in A. MnPO is in fact more anterior but outlined here for convenience.