T18_InvarObjRec_v2

Dicarlo it recorded d it cell v1 simulated squirrel

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Unformatted text preview: axis shows the valuester, yet form an inad of some identity-p Firing rate FIG. Together, the population of tolerant IT neurons produce an invariant object representation (its a population code) N. LI, D. D. COX, D. ZOCCOLAN, AND J. J. DiCARLO IT recorded d IT cell V1 simulated Squirrel 25 Frog 15 Bird (spikes /s) Firing rate FIG 0 0 Position Squirrel corresponds to all patterns similar to this Frog corresponds to all patterns similar to this D 0.25 of : 0.02 0.68 IT recorded Response 60 0 C V1, mean: 0.05 IT, mean: 0.65 Clutter conditions Bird corresponds to all patterns similar to this served simul 2 obje simul B: dis across The r using (Brinc 2008) V1 an spons condi The “Untangling” Hypothesis - as signals pass through the “what” pathway, the manifolds for different object “untangle” Retina V1 IT In other words, the purpose of the “what” pathway is to untangle manifolds (for invariant object recognition) What does the brain have to do to recognize an object? The brain has to “look down” (decode) th...
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This note was uploaded on 09/08/2013 for the course BBB 217 taught by Professor Nicolerust during the Spring '12 term at UPenn.

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