Binocular Rivalry
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چکیده
When two different images are shown, one to each eye, we don't always see a mix of the two. In cases when the images differ in atleast one attribute we may see only one image at a time and this alternates between the two images. (eg: Horizontal and vertical gratings differ in the direction of grating. When horizontal grating is shown to say right eye and vertical grating to left eye we see only one of these two first. After a few seconds duration the other grating appears replacing the first one. After a few more seconds the first grating appears again and so on – they alternate). When one searches for a term referring to this phenomenon one comes across two terms – binocular rivalry and interocular rivalry. At first glance a beginner may think that both are the same. However they are very different as described in the next section.
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