Language & Cognition seminar - Dr Matt Davis
23 September 2020, 1:00 pm–2:00 pm
Wednesday 23 September, 1-2pm UK time. "Endogenous Neural Oscillations Supporting Speech Perception". Online talk, contact the organiser for the link.
This event is free.
Gwen Brekelmans – Language & Cognition
Endogenous Neural Oscillations Supporting Speech Perception
A popular framework for thinking about speech timing proposes that neural activity during speech perception is synchronised or “entrained” with ongoing speech. However, observing entrained brain responses with Magneto- or Electroencephalography (MEG/EEG), or perturbing speech perception using transcranial alternating current stimulation (tACS) does not specify the underlying mechanisms. Entrained responses to speech can be due to a sequence of evoked responses to a regular stimulus (a passive or driven neural mechanism), or due to active neural mechanisms that include endogenous (internally sustained) oscillations. These views are distinguished by showing perceptual and neural (MEG/EEG) after-effects of rhythmic speech presentation and sustained perturbation of speech perception after tACS. Together, these results lay the foundation for an account of speech perception which includes endogenous neural oscillations as a key underlying principle.
About the Speaker
Dr Matt Davis
Programme leader at MRC Cognition and Brain Sciences Unit, University of CambridgeMore about Dr Matt Davis