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GT Neuro Seminar Series

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“Hyperbolic Geometry of the Olfactory Space”

Tatyana Sharpee, Ph.D.
Assistant Professor
Department of Biological Studies
Salk Institute

Using the sense of smell as an example, I will describe both theoretical reasons and experimental evidence that natural stimuli and human perception can be mapped onto a low dimensional curved surface. This surface turns out to have a negative curvature, corresponding to a hyperbolic metric. Although this map was derived purely from the statistics of co-occurrence between mono-molecular odorants in the natural environment it revealed topography in the organization of human perception of smell. I will conclude with arguments for why hyperbolic metric should be generally applicable elsewhere in the nervous system.

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  • Workflow Status:Published
  • Created By:Floyd Wood
  • Created:10/17/2019
  • Modified By:Floyd Wood
  • Modified:10/17/2019

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