CSE 528 Lecture Notes - Computational Neuroscience, Receptive Field, Terry Sejnowski
23 Apr 2013
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Document Summary
Responses of a neuron in an intact cat brain (hubel and wiesel, c. 1965) Short video demonstrating neuronal response to a bar of light oriented at a 45 degree angle. Hubel and weisel converted the responses into sound so that you can hear them. When the bar moves over the brain cell at a 45 degree angle, there is a lot of crackling: the brain cell likes this sort of stimuli. It does not like when a large square of light covers it entirely of when the bar moves at a different orientation. It does respond when the edge of the square is covering the area. When the bar is horizontal, there is not much of a response, hence the spikes are widely dispersed. When the bar is oriented at a 45 degree angle in the orientation that the cell likes, this causes the most robust response.
