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SUMMARY:Expertise-dependent hub and axis reorganization of functional brai
 n networks during meditation state. - Tun Jao\, Department of Psychiatry\,
  University of Cambridge
DTSTART:20130611T100000Z
DTEND:20130611T110000Z
UID:TALK44469@talks.cam.ac.uk
CONTACT:Mikail Rubinov
DESCRIPTION:Meditation is one of the few distinct and reversible states of
  consciousness\, and it therefore provides the chance to study neural corr
 elates of consciousness (NCC) from a different angle. In this study\, we e
 xplored meditation by using graph theoretical methods on rs-fMRI data of T
 aoist meditators. Although common network metrics were well preserved duri
 ng the meditation state\, Taoist meditation was characterized by an extens
 ive and expertise-dependent reorganization of the hubs. Furthermore\, we d
 emonstrated that axis reorganization of brain networks underpinned the obs
 erved hub reorganization. Without global wiring cost changes\, meditation 
 state introduced a new balance between grid-like long-range transverse and
  longitudinal network edges. We propose that this large-scale reorganizati
 on of network hubs and directionality might be a prerequisite for the shif
 t in consciousness during meditation state.\n
LOCATION:BCNI seminar room\, Sir William Hardy Building\, Downing Site
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