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Well for one, the first neurons to decode this symbol are orientation neurons, in V1 of the primary visual cortex. So some neurons have enhanced firing for say a 45 degree angle, and neighboring neurons for a 46 degree angle, and so on. Higher up the processing stream groups of neurons respond to shapes, that are a conglomerate of the orientation lines. Then ...


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Are you trying to measure something specific to the stimulus you are presenting or is it just a matter of displaying text on a screen where what you are measuring is unrelated to the text per se? For instance, experiments I run depend on the stimulus presentation. We are targeting a certain visual pathway, so for example one stimulus is red/green and high ...



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