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首页> 外文期刊>The European Journal of Neuroscience >Activity-dependent receptive field changes in the surround of adult cat visual cortex lesions.
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Activity-dependent receptive field changes in the surround of adult cat visual cortex lesions.

机译：成年猫视觉皮层病变周围活动依赖的感受野的变化。

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摘要

Extracellular single cell spike activity was recorded in the visual cortex of anaesthetized adult cats at identical sites before and 2 days after focal excitotoxic lesions induced by injections of ibotenic acid. In the surround of the lesions (up to 5 mm from the border of the lesion), the average postlesion receptive field (RF) sizes were not different from the prelesion RFs. However, RFs of neurons with increased postlesion excitability were slightly enlarged; such neurons were mainly found close to the anterior border of the lesion (
机译：在注射了卵黄质酸诱导的局灶性兴奋毒性损伤之前和之后2天，麻醉的成年猫在相同部位的视觉皮层中记录了细胞外单细胞峰值活性。在病变周围（距病变边界最多5 mm），平均病变后感受野（RF）大小与病变前RF并无不同。然而，病灶兴奋性增加的神经元的RFs略有增大。此类神经元主要位于病变的前缘附近（

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