Neurons show their true colours

JONATHAN B. DEMB; DAVID H. BRAINARD

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Neurons show their true colours

机译：神经元显示出它们的本色

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The processing of visual information begins in the retina, where specialized neurons called photoreceptors absorb light and stimulate multiple neural circuits. Each circuit generates specific patterns of electrical activity and converges on one of about 20 types of retinal ganglion cell. These cells' axons - the optic nerve fibres -then convey signals to various brain targets. For colour vision, specific retinal circuits compare the activity levels of different types of cone photoreceptor cells that have different spectral sensitivities. On page 673 of this issue, Field et al. describe simultaneous recordings from hundreds of ganglion cells, and a new method to map the inputs that these cells receive from individual cones. The results provide insight into the initial stages of colour vision.

机译：视觉信息的处理从视网膜开始，在视网膜中称为光感受器的特殊神经元吸收光并刺激多个神经回路。每个电路都会产生特定的电活动模式，并会聚在大约20种视网膜神经节细胞中的一种上。这些细胞的轴突-视神经纤维-然后将信号传递到各种大脑目标。对于彩色视觉，特定的视网膜电路比较具有不同光谱灵敏度的不同类型的视锥细胞的活性水平。在第673页上，Field等人。描述了同时记录数百个神经节细胞的记录，以及描述这些细胞从各个视锥细胞接收到的输入的新方法。结果提供了对色觉的初始阶段的了解。

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来源
《Nature》 |2010年第7316期|P.670-671|共2页
作者
JONATHAN B. DEMB; DAVID H. BRAINARD;
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作者单位

Department of Ophthalmology and Visual Sciences, and the Department of Molecular, Cellular and Developmental Biology, University of Michigan, Ann Arbor, Michigan 48105, USA;

rnDepartment of Psychology, University of Pennsylvania, Philadelphia, Pennsylvania 19104, USA;

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收录信息美国《科学引文索引》(SCI);美国《工程索引》(EI);美国《生物学医学文摘》(MEDLINE);美国《化学文摘》(CA);
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正文语种 eng
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机译：神经元显示他们的真实颜色

Neurons show their true colours

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