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Tuesday, July 21 • 6:00pm - 6:45pm
W10-2 Cellular mechanisms of the visual EEG alpha rhythm.

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Abstract: using a combination of in vitro slice and computational methods, we describe a population rhythm at about 10 Hz in primary visual cortex, but not present in neighboring cortical areas. This rhythm appears after a period of activation by kainate (corresponding to visual stimulation), followed by blockade of AMPA receptors and h-current (corresponding to removal of stimulation). The rhythm is generated by layer 4 pyramidal neurons (not by spiny stellate cells), interacting via NMDA receptors with rapid kinetics. Synaptic inhibition is present but does not determine the alpha period. Layer 4 alpha propagates to other cortical layers and acts functionally to disconnect spiny stellates from both deep and superficial pyramidal neurons.

Link to published paper: https://www.nature.com/articles/s42003-020-0947-8https://www.nature.com/articles/s42003-020-0947-8



Speakers
avatar for Roger D. Traub

Roger D. Traub

Professor, IBM Thomas J. Watson Research Center, AI Foundations USA.
Roger Traub has been “Einstein Visiting Fellow” since December 2010 and works within the cluster of excellence “Neurocure” at the Charité. He studied mathematics at Princeton University, New Jersey, USA, and then completed his medical studies at the University of Pennsylvania. Roger... Read More →


Tuesday July 21, 2020 6:00pm - 6:45pm CEST
Crowdcast (W10)