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I am doing some research on perception and gamma activity in V1 area.
To check some of my results I need to find an experimental result, from which I would know which orientations and frequencies of grating are most "popular" in V1. So I need to know two things:

1: Which orientation(s) induces most gamma? The experiment could be something like: take few monkeys/people, show them bunch of gratings with different orientations and record gamma. The orientations which induced highest gamma level is what I want to know.

2: Which grating frequency induces most gamma? The experiment could be something like: take few monkeys/people, show them bunch of gratings of different frequency patterns and record gamma. The frequencies which induced highest gamma level is what I want to know.

Have you ever seen articles with such experiments conducted?
Or maybe conducted them yourself?
Or maybe you know some place, where / somebody, whom I might ask this?

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