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DTSTAMP:20260404T115340Z
DESCRIPTION:The Feindel Virtual Brain and Mind Seminar presents: 'The funct
 ional connectome across temporal scales'.\n\nRegistration available here.
 \n\nSpeaker: Sepideh Sadaghiani\n\nAssistant Professor\, University of Ill
 inois\, USA\n\nAbstract: The view of human brain function has drastically 
 shifted over the last decade\, owing to the observation that the majority 
 of brain activity is intrinsic rather than driven by external stimuli or c
 ognitive demands. Specifically\, all brain regions continuously communicat
 e in spatiotemporally organized patterns that constitute the functional co
 nnectome\, with consequences for cognition and behavior. In this talk\, I 
 will argue that another shift is underway\, driven by new insights from sy
 nergistic interrogation of the functional connectome using different acqui
 sition methods. The human functional connectome is typically investigated 
 with functional magnetic resonance imaging (fMRI) that relies on the indir
 ect hemodynamic signal\, thereby emphasizing very slow connectivity across
  brain regions. Conversely\, more recent methodological advances demonstra
 te that fast connectivity within the whole-brain connectome can be studied
  with real-time methods such as electroencephalography (EEG).\n\nOur findi
 ngs show that combining fMRI with scalp or intracranial EEG in humans\, es
 pecially when recorded concurrently\, paints a rich picture of neural comm
 unication across the connectome. Specifically\, the connectome comprises b
 oth fast\, oscillation-based connectivity observable with EEG\, as well as
  extremely slow processes best captured by fMRI. While the fast and slow p
 rocesses share an important degree of spatial organization\, these process
 es unfold in a temporally independent manner. Our observations suggest tha
 t fMRI and EEG may be envisaged as capturing distinct aspects of functiona
 l connectivity\, rather than intermodal measurements of the same phenomeno
 n. Infraslow fluctuation-based and rapid oscillation-based connectivity of
  various frequency bands constitute multiple dynamic trajectories through 
 a shared state space of discrete connectome configurations. The multitude 
 of flexible trajectories may concurrently enable functional connectivity a
 cross multiple independent sets of distributed brain regions.\n\nBio: Sepi
 deh Sadaghiani is Assistant Professor of Psychology and by courtesy of Bio
 engineering\, and faculty of the Neuroscience Graduate Program at the Univ
 ersity of Illinois\, Urbana-Champaign. She directs the CONNECTlab at the B
 eckman Institute for Advanced Science and Technology where she is full-tim
 e faculty. Sadaghiani received a Ph.D. in Neural and Behavioral Sciences f
 rom the Max Planck Graduate School and postdoctoral training at Berkeley a
 nd Stanford. She investigates the role of neural connectivity and spontane
 ous brain activity in cognitive control and behavior through a multi-modal
  lens. Sadaghiani serves as handling editor at NeuroImage. She has been re
 cognized as Lincoln Excellence for Assistant Professors (LEAP) Scholar of 
 the College of Liberal Arts and Sciences\, and her work has been funded by
  the National Institutes of Mental Health (NIMH) and of Neurological Disor
 ders and Stroke (NINDS).\n\n\nThe Feindel Virtual Brain and Mind (VBM) Sem
 inar Series will advance the vision of Dr. William Feindel (1918–2014)\, F
 ormer Director of the Neuro (1972–1984)\, to constantly bridge the clinica
 l and research realms. The talks will highlight the latest advances and di
 scoveries in neuropsychology\, cognitive neuroscience\, and neuroimaging.
 \n\nSpeakers will include scientists from across The Neuro\, as well as co
 lleagues and collaborators locally and from around the world. The series i
 s intended to provide a virtual forum for scientists and trainees to conti
 nue to foster interdisciplinary exchanges on the mechanisms\, diagnosis an
 d treatment of brain and cognitive disorders.\n
DTSTART:20220330T200000Z
DTEND:20220330T210000Z
SUMMARY:Feindel Virtual Brain and Mind Lecture Series: The functional conne
 ctome across temporal scales
URL:https://www.mcgill.ca/neuro/channels/event/feindel-virtual-brain-and-mi
 nd-lecture-series-functional-connectome-across-temporal-scales-338621
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