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SUMMARY:Modulation Of Attention By Ascending Projections - Dr\, Tomás Oss
 andón\, Pontificia Universidad Católica de Chile
DTSTART:20210604T153000Z
DTEND:20210604T170000Z
UID:TALK160102@talks.cam.ac.uk
CONTACT:Matthew Attwaters
DESCRIPTION:Traditionally\, the sophisticated computations that underlie c
 ognition (enabling you to\, e.g.\, read this abstract) have been regarded 
 as implemented solely in neuronal circuits of the mosaic regions that make
  up the cerebral cortex. However\, a surge of recent studies has shown tha
 t evolutionary older players in the central nervous system\, the ascending
  modulatory systems of the brainstem\, are just as important for cognition
 . These systems can sculpt cortical network interactions\, and thereby cog
 nitive computation\, in surprisingly specific ways that shape the contents
  of mental states. Because the activity of these brainstem systems fluctua
 tes continuously even in the awake state\, so does our attentional focus. 
 If the activity of these brainstem systems is permanently disturbed\, so w
 ill be the cortical network interactions underlying cognition. This may be
  the core problem in ADHD\, a condition in which the capacity to focus and
  maintain attention is permanently compromised. In this talk\, we will dis
 cuss the role of the ascending arousal system on large-scale network dynam
 ics by combining pupillometry\, EEG\, functional MRI\, and graph theory an
 alysis.\n\n\n
LOCATION:Zoom meeting
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