[BIC-announce] [TODAY: Feindel Brain Imaging Lecture] Therese Lennert "Coupled Oscillations Enable Rapid Calibration to Audiovisual Asynchrony" -- Mon-Nov-14-2016 at 1:00 pm; de Grandpré Communications Centre, MNI

[Zografos Caramanos, Mr]

The Feindel Brain Imaging Lecture Series<https://www.mcgill.ca/bic/training-events/feindel-brain-imaging-lecture-series>

"Coupled Oscillations Enable Rapid Calibration to Audiovisual Asynchrony"

Monday, November 14, 2016 at 1:00 pm
de Grandpré Communications Centre, Montreal Neurological Institute

[Therese Lennert]
Therese Lennert<http://www.pubfacts.com/author/Therese+Lennert?tr=1>
McGill University, MNI,
neurospeed lab<http://www.mcgill.ca/bic/research/neurospeed-dynamic-neuroimaging-laboratory-baillet>


Abstract: The integration of auditory and visual signals in the brain faces inevitable temporal variations due to differences in propagation speeds and processing latencies. Following brief exposures to audiovisual asynchrony, the brain uses a fast-acting recalibration mechanism to rapidly realign the signals. It has been proposed that coupled low- and high-frequency oscillations organize sensory signals in a sequential manner, whereby the high-frequency oscillation nested within the low-frequency cycle creates discrete 'slots' of processing. We provide evidence that coupled alpha and beta/gamma oscillations in auditory and visual cortex enable rapid temporal recalibration to audiovisual asynchrony. Remarkably, the cycle duration of the subject's high-frequency oscillation nested within alpha corresponds to the individual's temporal recalibration behavior. We also show that trial-to-trial adaptations to audiovisual asynchrony modulate the frequencies' preferred coupling phase, as well as ongoing prestimulus alpha activity and evoked responses. We propose that these oscillatory mechanisms implement rapid adjustments in processing speed that help realign temporally discrepant auditory and visual signals.

Short Bio:
McGill University, Department of Neurology and Neurosurgery; Postdoc, Supervisor: Sylvain Baillet; 2012 - ongoing
McGill University, Department of Physiology; Ph.D. in Physiology, Supervisor: Julio Martinez-Trujillo; completed 2012
University of Tübingen & International Max-Planck-Research School, Tübingen, Germany; M.Sc. in Neural and Behavioral Sciences; ; completed 2006
Johann Wolfgang Goethe University, Frankfurt, Germany; B.Sc. equivalent (Vordiplom) in Psychology; completed 2004



________________________________
Feindel Brain Imaging Lecture Series: Fall-2016<https://www.mcgill.ca/bic/training-events/feindel-brain-imaging-lecture-series>

Unless specified otherwise, lectures are held on  Mondays at 1:00 pm in the de Grandpré Communications Centre<http://neuromedia.mcgill.ca/mnibooking/facdirections/dgccdir.htm> of the Montreal Neurological Institute<http://www.mni.mcgill.ca/site_info/contact/>. To be notified about these lectures and all the other events going on at the BIC, please join the BIC-Announcements Mailing List<http://www.bic.mni.mcgill.ca/mailman/listinfo/bic-announce>. For more information, please contact Zografos Caramanos<mailto:caramanos%40gmail.com>.

01) Mon-Sep-19: Sylvain Baillet<https://www.mcgill.ca/neuro/research/researchers/baillet> [BIC General Assembly]
02) Mon-Sep-26: Yasser Iturria-Medina<https://scholar.google.ca/citations?user=-aFepXoAAAAJ&hl=en> [Towards a Multifactorial Characterization of Neurodegeneration]

03) Mon-Oct-03: Michael Petrides<https://www.mcgill.ca/neuro/research/researchers/petrides> and Konrad Wagstyl<https://www.linkedin.com/in/konrad-wagstyl-085235a2> [Commentary on the Glasser - Van Essen Human Connectome Atlas] link to paper<http://www.ncbi.nlm.nih.gov/pubmed/27437579>
---) Mon-Oct-10: No Lecture (Thanksgiving Day)
04) Mon-Oct-17, 4 pm in JTA<http://neuroav.mcgill.ca/index.php?page=jeanne-timmins-amphitheatre>: Pierre Bellec<http://www.criugm.qc.ca/en/researchers/laboratory-directors/81-pierre-bellec.html> [The Neuroimaging Analysis Kit: Recent Developments and Challenges] link to slides<https://www.mcgill.ca/bic/files/bic/2016_10-17_-_neuroimage_analysis_kit_-_pierre_bellec.pdf>
05) Mon-Oct-24: Seok Jun Hong<https://scholar.google.ca/citations?user=N7uX1isAAAAJ&hl=en> [Neuroimaging of Cortical Malformation] link to slides<https://www.mcgill.ca/bic/files/bic/2016_10-24_-_neuroimaging_of_cortical_malformation_-_seok-jun_hong.pdf>
06) Mon-Oct-31: Claudine Gauthier<https://www.concordia.ca/artsci/physics/faculty.html?fpid=claudine-gauthier> [Quantitative MRI of Cerebrovascular and Metabolic Health]

07) Mon-Nov-07: Bratislav Misic<https://scholar.google.com/citations?user=Jv_ICEoAAAAJ&hl=en> [Practical Methods for Assessing Functional connectivity; as part of MEG at McGill<https://www.mcgill.ca/bic/training-events/training-programs/meg-comprehensive-training>]
08) Mon-Nov-14: Therese Lennert<http://www.pubfacts.com/author/Therese+Lennert?tr=1> [Coupled Oscillations Enable Rapid Calibration to Audiovisual Asynchrony]
09) Mon-Nov-21: Krista L. Hyde<http://www.brams.org/en/membres/krista-hyde/> [Auditory Processing in Special Populations: Insights From Music, Dance, and Autism]
10) Mon-Nov-28: Mathieu Roy<https://www.mcgill.ca/psychology/mathieu-roy> [Title TBA]

11) Mon-Dec-05: Selin Neseliler<http://www.medicine.mcgill.ca/pharma/dbowielab/neseliler.html> [Title TBA]
12) Mon-Dec-12: Chris Steele<http://cobralab.ca/postdocs/steele.chris/> [Systems-Level Structural Anatomy of the Human Cerebellum: White-Matter Connectivity and Grey-Matter Volume]
13) Mon-Dec-19: Karim Jerbi<http://en.psy.umontreal.ca/repertoire-departement/vue/jerbi-karim/> [Title TBA]
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