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SUMMARY:Quantifying conscious states by means of self-initiated brain acti
 vity - Dr Athena Demertzi\, Physiology of Cognition Research Lab\, GIGA Co
 nsciousness\, GIGA Institute\, University of Liège\, Belgium 
DTSTART:20191101T120000Z
DTEND:20191101T133000Z
UID:TALK128743@talks.cam.ac.uk
CONTACT:Louise White
DESCRIPTION:Abstract: Consciousness is seemingly lost and recovered every 
 day\, from the moment we fall asleep until we wake up. Although these depa
 rtures from wakefulness bring about different changes in brain function\, 
 behavior\, and neurochemistry\, they all lead to lack of reported subjecti
 ve experience. Here\, I will show how intrinsic brain activity has been ch
 aracterized in different states of unconsciousness\, such as pharmacologic
 ally-induced anesthesia in humans and in noncommunicating states after sev
 ere brain injury. These investigations indicate that during unconscious st
 ates\, cortical long-range correlations are disrupted in both space and ti
 me\, anticorrelated cortical interactions disappear\, and that temporal dy
 namics are limited to describe specific patterns which are dominated by ri
 gid functional configurations tied to the anatomical connectivity. These d
 ata shed light on ongoing brain dynamics in health and disease and pave th
 e way for specific interventions to potentially restore consciousness when
  it seems lost. \n\nBio: Athena graduated from the Faculty of Psychology a
 t the Aristotle University of Thessaloniki\, Greece in 2005. Soon after\, 
 she pursued the Research Master’s in Cognitive Neuroscience\, Neuropsych
 ology\, and Psychopathology\, at Maastricht University\, The Netherlands (
 2007). Next\, she joined the Coma Science Group\, University of Liège\, B
 elgium as a doctoral student and received her PhD in Medical Sciences in M
 ay 2012. Her postdoctoral research has been conducted at the Brain and Spi
 ne Institute\, Paris funded by the Belgian National Funds for Scientific R
 esearch (FNRS)\, the James S. McDonnell Foundation and the French Institut
  National de la Santé et de la Recherche Médicale (INSERM). Since Octobe
 r 2018 she is tenured FNRS Research Associate hosted at the GIGA Institute
  of the University of Liège\, Belgium and is heading the Physiology of Co
 gnition Research lab.\n
LOCATION:Ground Floor Lecture Theatre\, Department of Psychology
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