From the Athinoula A. Martinos Center for Biomedical Imaging, July 10, 2015. An excerpt:
"The analyses revealed a great deal about connectivity in the shamans’
brains—that is, the functional links between regions of their
brains—during trance. The scientists noted, for example, increased
connectivity in the posterior cingulate cortex, a major default network
hub involved in internally directed thought, as well as in the insula
and anterior cingulate cortex, two core control network regions.
Co-activation of these areas points to the control network playing a
role in maintaining an extended internally directed state during
trance."
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