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Testing Theories of Natural Image Representation in Primary Visual Cortex | ||
Dario Ringach | ||
UCLA | ||
The idea that primary visual cortex (V1) is designed to efficiently represent natural images has generated specific predictions about the shape of simple-cell receptive fields. Here, I compare some of the theoretical predictions to corresponding measurements of receptive field profiles in macaque primary visual cortex. I will discuss several features of the data that are not explained by the theories and the possible reasons behind these discrepancies. If time permits, I will share some thoughts on how the Hubel and Wiesel hierarchical model of simple and complex cells has influenced our search for a "theory of visual cortex", and how, perhaps, we might have been lead astray. | ||