感官眼支配:眼睛与大脑的关系

IF 3.1 Q1 OPHTHALMOLOGY Eye and Brain Pub Date : 2020-01-20 eCollection Date: 2020-01-01 DOI:10.2147/EB.S176931
Teng Leng Ooi, Zijiang J He
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引用次数: 0

摘要

眼优势是指在完成一项任务时,偏好使用一只眼睛多于另一只眼睛。然而,所揭示的优势眼可能与任务有关,尤其是当任务多种多样时,如指示观察者通过环形物瞄准目标,或报告在双眼对抗刺激中更多地感知到哪一半图像。一般来说,前一项任务揭示的是运动眼优势,而后一项任务揭示的是感觉眼优势。尽管人们一致认为某些观察者的运动眼和感觉眼可能不同,但其原因仍不清楚,研究也不多。本综述主要关注近期感觉眼优势研究的进展。它回顾了为量化感觉眼优势并将其与其他视觉功能(尤其是立体视)联系起来而进行的研究,以及为探索其可塑性而进行的研究。人们认识到,临床视力正常的观察者的感觉眼优势至少在行为层面上与弱视有某些相似之处,因为两者都表现出眼间抑制失衡。此外,感觉眼优势可能表现在视觉通路的多个部位,也许包括眼优势柱的水平。不过,要在人类视觉系统中证实这一推测,还需要今后利用高分辨率脑成像方法进行研究。
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Sensory Eye Dominance: Relationship Between Eye and Brain.

Eye dominance refers to the preference to use one eye more than the fellow eye to accomplish a task. However, the dominant eye revealed can be task dependent especially when the tasks are as diverse as instructing the observer to sight a target through a ring, or to report which half-image is perceived more of during binocular rivalry stimulation. Conventionally, the former task is said to reveal motor eye dominance while the latter task reveals sensory eye dominance. While the consensus is that the motor and sensory-dominant eye could be different in some observers, the reason for it is still unclear and has not been much researched. This review mainly focuses on advances made in recent studies of sensory eye dominance. It reviews studies conducted to quantify and relate sensory eye dominance to other visual functions, in particular to stereopsis, as well as studies conducted to explore its plasticity. It is recognized that sensory eye dominance in observers with clinically normal vision shares some similarity with amblyopia at least at the behavioral level, in that both exhibit an imbalance of interocular inhibition. Furthermore, sensory eye dominance is probably manifested at multiple sites along the visual pathway, perhaps including the level of ocular dominance columns. But future studies with high-resolution brain imaging approaches are required to confirm this speculation in the human visual system.

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来源期刊
Eye and Brain
Eye and Brain OPHTHALMOLOGY-
CiteScore
7.90
自引率
2.30%
发文量
12
审稿时长
16 weeks
期刊介绍: Eye and Brain is an international, peer-reviewed, open access journal focusing on basic research, clinical findings, and expert reviews in the field of visual science and neuro-ophthalmology. The journal’s unique focus is the link between two well-known visual centres, the eye and the brain, with an emphasis on the importance of such connections. All aspects of clinical and especially basic research on the visual system are addressed within the journal as well as significant future directions in vision research and therapeutic measures. This unique journal focuses on neurological aspects of vision – both physiological and pathological. The scope of the journal spans from the cornea to the associational visual cortex and all the visual centers in between. Topics range from basic biological mechanisms to therapeutic treatment, from simple organisms to humans, and utilizing techniques from molecular biology to behavior. The journal especially welcomes primary research articles or review papers that make the connection between the eye and the brain. Specific areas covered in the journal include: Physiology and pathophysiology of visual centers, Eye movement disorders and strabismus, Cellular, biochemical, and molecular features of the visual system, Structural and functional organization of the eye and of the visual cortex, Metabolic demands of the visual system, Diseases and disorders with neuro-ophthalmic manifestations, Clinical and experimental neuro-ophthalmology and visual system pathologies, Epidemiological studies.
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