Eye smarter than scientists believed: neural computations in circuits of the retina.

Eye smarter than scientists believed: neural computations in circuits of the retina.
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DOI:
10.1016/j.neuron.2009.12.009
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发表时间:
2010-01-28
期刊:
影响因子:
16.2
通讯作者:
Meister, Markus
Meister, Markus
中科院分区:
医学1区
文献类型:
--
作者:
Gollisch, Tim;Meister, Markus

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我们依靠视觉系统来处理大量射入的光线模式,并从场景中提取与我们的健康相关的特征。视觉信息的必要减少已经在眼睛里开始了。在这篇综述中,我们总结了在理解脊椎动物视网膜中进行的计算以及它们是如何通过神经回路实现的最新进展。从这些发现中浮现出一幅新的图景,有助于解决视网膜结构和功能之间令人烦恼的悖论。传统观点认为眼睛只是视觉图像的一个简单的预过滤器,而现在看来,视网膜解决了一系列不同的特定任务,并将结果明确地提供给下游的大脑区域。
We rely on our visual system to cope with the vast barrage of incoming light patterns and to extract features from the scene that are relevant to our well-being. The necessary reduction of visual information already begins in the eye. In this review, we summarize recent progress in understanding the computations performed in the vertebrate retina and how they are implemented by the neural circuitry. A new picture emerges from these findings that helps resolve a vexing paradox between the retina’s structure and function. Whereas the conventional wisdom treats the eye as a simple pre-filter for visual images, it now appears that the retina solves a diverse set of specific tasks, and provides the results explicitly to downstream brain areas.
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