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在频闪照明下饲养的猫:对视皮层感受野的影响。

Cats reared in stroboscopic illumination: effects on receptive fields in visual cortex.

作者信息

Cynader M, Berman N, Hein A

出版信息

Proc Natl Acad Sci U S A. 1973 May;70(5):1353-4. doi: 10.1073/pnas.70.5.1353.

Abstract

Cats were reared in a light-tight box in which the only source of illumination was a 9-musec strobe flash every 2 sec. This allowed them to experience visual form but they did not experience visual movement. Receptive-field properties of single units in area 17 of the visual cortex of cats reared in stroboscopic illumination (strobe-reared) were compared with properties of units in area 17 of normally reared cats. In strobe-reared cats both direction selectivity and orientation selectivity were greatly reduced relative to normally reared cats, and some units in the strobe-reared cats responded only to strobe flashes.

摘要

猫被饲养在一个不透光的箱子里,其中唯一的照明源是每隔2秒闪烁一次的9微秒频闪闪光灯。这使它们能够体验视觉形状,但无法体验视觉运动。将在频闪照明下饲养(频闪饲养)的猫的视觉皮层17区单个神经元的感受野特性,与正常饲养的猫的17区神经元特性进行了比较。与正常饲养的猫相比,频闪饲养的猫的方向选择性和方向选择性都大大降低,并且频闪饲养的猫中的一些神经元仅对频闪闪光有反应。

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