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BEGIN:VEVENT
UID:20250626T065418EDT-9192f1M6Js@132.216.98.100
DTSTAMP:20250626T105418Z
DESCRIPTION:The Feindel Brain and Mind Seminar Series will advance the visi
 on of Dr. William Feindel (1918–2014)\, Former Director of the Neuro (1972
 –1984)\, to constantly bridge the clinical and research realms. The talks 
 will highlight the latest advances and discoveries in neuropsychology\, co
 gnitive neuroscience\, and neuroimaging.\n\nSpeakers will include scientis
 ts from across The Neuro\, as well as colleagues and collaborators locally
  and from around the world. The series is intended to provide a virtual fo
 rum for scientists and trainees to continue to foster interdisciplinary ex
 changes on the mechanisms\, diagnosis and treatment of brain and cognitive
  disorders.\n\n\nTo attend in person\, register here\n\nTo watch via Vimeo
 \, click here\n\n\nAlberto Ara\n\nPostdoctoral Fellow\, The Neuro\, McGill
  University\n\nAbstract: Perception integrates both sensory inputs and int
 ernal models of the environment. In the auditory domain\, predictions play
  a critical role because of the temporal nature of sounds. However\, the p
 recise contribution of cortical and subcortical structures in these proces
 ses and their interaction remain unclear. It is also unclear whether these
  brain interactions are specific to abstract rules or if they also underli
 e the predictive coding of local features. We used high-field 7T functiona
 l magnetic resonance imaging to investigate interactions between cortical 
 and subcortical areas during auditory predictive processing. Volunteers li
 stened to tone sequences in an oddball paradigm where the predictability o
 f the deviant was manipulated. Perturbations in periodicity were also intr
 oduced to test the specificity of the response. Results indicate that both
  cortical and subcortical auditory structures encode high-order predictive
  dynamics\, with the effect of predictability being strongest in the audit
 ory cortex. These predictive dynamics were best explained by modeling a to
 p–down information flow\, in contrast to unpredicted responses. No error s
 ignals were observed to deviations of periodicity\, suggesting that these 
 responses are specific to abstract rule violations. Our results support th
 e idea that the high-order predictive dynamics observed in subcortical are
 as propagate from the auditory cortex.\n
DTSTART:20241021T170000Z
DTEND:20241021T180000Z
LOCATION:De Grandpre Communications Centre\, Montreal Neurological Institut
 e\, CA\, QC\, Montreal\, H3A 2B4\, 3801 rue University
SUMMARY:Feindel Brain and Mind Seminar Series: Cortical–Subcortical Interac
 tions Underlie Processing of Auditory Predictions Measured With 7T fMRI
URL:/neuro/channels/event/feindel-brain-and-mind-semin
 ar-series-cortical-subcortical-interactions-underlie-processing-auditory-3
 59979
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