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The Swartz Program in Theoretical Neuroscience: "Hyperbolic geometry in olfaction”

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 three dimensional hyperbolic surface. The results are obtained using a combination of tools from algebraic topology and multi-dimensional scaling with a hyperbolic metric. Although the representation that we derive is obtained 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.

Speaker

  • Salk Institute for Biological Studies

    Tatyana Sharpee, PhD
    Professor

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Free

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Lectures and Seminars
Feb 20206Thursday
4:00 PM5:00 PM
Sterling Hall of Medicine, I-WingDome Room (I-500), 5333 Cedar StreetNew Haven, CT