Notes

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A collection of fragments of understanding in the pursuit of deeper questions.

Selectivity for Stimulus Orientation and Direction

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Hubel and Wiesel performed single neurons recording of cats V1 neurons. On top of what we already discussed, i.e., orientation selectivity, this image shows us that certain neurons show selectivity for the direction of motion of the stimulus. In primates this selectivity arises in the cortex, but certain species feature this selectivity also in the retina.