Generation and Control of Propagating Waves in Visual Cortex

Philip S. Ulinski, Wenxue Wang, Bijoy Ghosh

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

4 Scopus citations

Abstract

Visual stimuli evoke waves of electrical activity that propagate across the visual cortex of freshwater turtles. Analyses using the Karhunen-Loéve method reveal that the spatiotemporal dynamics of the waves encode information about the stimuli. This study used a large-scale mathematical model of turtle visual cortex to understand how cellular elements of the cortex control the generation and propagation of the waves. A combination of excitatory and inhibitory pathways control the origin and speed of the waves. Feedback inhibitory pathways control the duration of the waves. This analysis leads towards a characterization of visual cortex as a dynamical system.

Original languageEnglish
Title of host publicationProceedings of the IEEE Conference on Decision and Control
Pages6429-6434
Number of pages6
DOIs
StatePublished - 2003
Event42nd IEEE Conference on Decision and Control - Maui, HI, United States
Duration: Dec 9 2003Dec 12 2003

Publication series

NameProceedings of the IEEE Conference on Decision and Control
Volume6
ISSN (Print)0191-2216

Conference

Conference42nd IEEE Conference on Decision and Control
Country/TerritoryUnited States
CityMaui, HI
Period12/9/0312/12/03

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