October 19, 2017 at 5:19 pm

Khaledi Nasab Gives Colloquium Talk at College of Wooster

Ali Khaledi Nasab in Columbus

Ali Khaledi Nasab in Columbus

Ali Khaledi Nasab, graduate student in Physics & Astronomy at Ohio University, was invited to give a colloquium talk on Oct. 3 at the Department of Physics at the College of Wooster.

His talk was on “Emergent stochastic oscillations and signal detection in tree networks of excitable elements.” Nasab’s adviser is Dr. Alexander Neiman, Professor of Physics & Astronomy at Ohio University.

Abstract: Dendrites are the tree-like branched extension of a nerve cell that receives the impulses. In this work, we use biophysical models to study the stochastic dynamics of a tree network of excitable elements which is relevant to some sensory neurons (For instance, cat muscle spindles). We will show that the spontaneous activity of the network could be predicted by looking at a single effective node with scaled parameters. Furthermore, our results suggest a mechanism for tuning the activity of the central element in the tree network.

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