The Tongue as an Excitable Medium

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Summary Sentence: The Tongue as an Excitable Medium

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(Webinar) School of Physics Nonlinear Science Series: Dr. Gabriel Seiden, Weizmann Institute

Geographic tongue (GT) is a medical condition affecting approximately 2% of the population, whereby the papillae covering the upper part of the tongue are lost due to a slowly expanding inflammation. The resultant dynamical appearance of the tongue has striking similarities with well known out-of-equilibrium phenomena observed in excitable media, such as forest fires, cardiac dynamics and chemically driven reaction-diffusion systems. We explore the dynamics associated with GT from a dynamical systems perspective, utilizing cellular automata simulations. Our results shed light on the evolution of the inflammation and suggest a practical way to classify the severity of the condition, based on the characteristic patterns observed in GT patients.

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The Tongue as an Excitable Medium
  • Created By: Alison Morain
  • Workflow Status: Published
  • Created On: Oct 20, 2014 - 11:20am
  • Last Updated: Oct 7, 2016 - 10:09pm