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Caltech Authors (160.918 recursos)

Repository of works by Caltech published authors.

Group = Tianqiao and Chrissy Chen Institute for Neuroscience

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  1. The Code for Facial Identity in the Primate Brain

    Chang, Le; Tsao, Doris Y.
    Primates recognize complex objects such as faces with remarkable speed and reliability. Here, we reveal the brain’s code for facial identity. Experiments in macaques demonstrate an extraordinarily simple transformation between faces and responses of cells in face patches. By formatting faces as points in a high-dimensional linear space, we discovered that each face cell’s firing rate is proportional to the projection of an incoming face stimulus onto a single axis in this space, allowing a face cell ensemble to encode the location of any face in the space. Using this code, we could precisely decode faces from neural population responses...
    (video/mpeg; video/mpeg) - 06-sep-2017

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