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Ocular dominance. Ocular dominance, sometimes called eye preference or eyedness, [ 1] is the tendency to prefer visual input from one eye to the other. [ 2] It is somewhat analogous to the laterality of right- or left- handedness; however, the side of the dominant eye and the dominant hand do not always match. [ 3]
The term "binocular disparity" refers to geometric measurements made external to the eye. The disparity of the images on the actual retina depends on factors internal to the eye, especially the location of the nodal points, even if the cross section of the retina is a perfect circle. Disparity on retina conforms to binocular disparity when ...
These fish demonstrate an individual eye preference when examining their reflection in a mirror. Fish which show a right-eye preference in the mirror test prefer to be on the left side of the school. Conversely, fish that show a left-eye preference in the mirror test or were non-lateralised, prefer to be slightly to the right side of the school.
Cover test may be used to determine direction of deviation in cyclophorias also. [19] The cover-uncover test can also be used for more problematic disorders of binocular vision, the tropias. In the cover part of the test, the examiner looks at the first eye as he or she covers the second. If the eye moves from in to out, the person has exotropia.
A simulation of the ocular dominance column pattern, as might be seen if the surface of V1 were colored according to eye preference. A typical map of the relationship between ocular dominance, orientation, and cytochrome oxidase. Dark and light areas represent neurons that respond preferentially to the left and right eye.
Left cerebral hemisphere. The lateralization of brain function (or hemispheric dominance[ 1][ 2] / latralisation [ 3][ 4]) is the tendency for some neural functions or cognitive processes to be specialized to one side of the brain or the other. The median longitudinal fissure separates the human brain into two distinct cerebral hemispheres ...
Sometimes big dogs don't realize how big they are, and little dogs think that they're a lot bigger than they are. That was certainly the case with Lilly, a 6-month-old Great Dane puppy who is ...
The test, using images of many kinds of dogs, showed a small and big dog and played a growl. Twenty of the 24 test dogs looked at the image of the appropriately sized dog first and looked at it longest. [14] Depending on the context, a dog's bark can vary in timing, pitch, and amplitude. It is possible that these have different meanings. [15]