| 词汇 | example_english_strabismus |
| 释义 | Examples of strabismusThese examples are from corpora and from sources on the web. Any opinions in the examples do not represent the opinion of the Cambridge Dictionary editors or of Cambridge University Press or its licensors. Effect of strabismus on the development of vernier acuity and grating acuity in monkeys. We should have compared columns in full siblings, raising one animal with strabismus while using the other as a normal control animal. Two of the children had a squint, and one child had required surgery for strabismus. However, the study provided some evidence that strabismus can induce columns to form in a species where normally they are wholly absent. All five squirrel monkeys raised with strabismus exhibited well-developed ocular dominance columns in striate cortex of each hemisphere. Ocular dominance column width and contrast sensitivity in monkeys reared with strabismus or anisometropia. The second most common presenting sign is strabismus (crossed eyes). The magnitude of strabismus was determined by measuring the decentration of the corneal light reflex from the center of the pupil. The surgically induced strabismus was thus unilaterally paralytic. Staining was pale along column edges, in the border strips, because binocular function was disrupted by strabismus. These data could be construed as evidence for a strong effect of strabismus on the formation of ocular dominance columns. For strabismus to have any influence, they would have to melt down and reform with a coarser periodicity. This value was less than the mean column width of 560 mm in the five strabismic monkeys implying an effect of strabismus on column width. Maldevelopment of visual motion processing in humans who had strabismus with onset in infancy. This means that one must genetically match control and strabismic animals to isolate the effect of strabismus. After studying five strabismic animals and 16 control animals we are still unsure if strabismus affects the periodicity or segregation of ocular dominance columns. In humans, similar suggestions as to the importance of action for acquiring sensory proficiency derive from the finding that severe strabismus seems related to amblyopia. The absence of columns in opercular cortex was attributed to the animal's mild degree of strabismus. In the squirrel monkey, strabismus has been reported to induce the formation of ocular dominance columns. We have re-examined the effect of strabismus on ocular dominance columns in a large group of strabismic and normal squirrel monkeys. We tested whether strabismus disrupts the binocular input to patches in the squirrel monkey. Prior studies in cats have suggested that experimental strabismus or alternating monocular occlusion increases the width and segregation of columns. It was unclear why strabismus produced different effects among this sample of four animals. These examples are from corpora and from sources on the web. Any opinions in the examples do not represent the opinion of the Cambridge Dictionary editors or of Cambridge University Press or its licensors. |
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