成年金鱼视顶盖改变后视觉投射的重新分布
Redistribution of visual projections in altered optic tecta of adult goldfish.
作者信息
Sharma S C
出版信息
Proc Natl Acad Sci U S A. 1972 Sep;69(9):2637-9. doi: 10.1073/pnas.69.9.2637.
The retinotectal connections formed in adult goldfish after removal of the rostro-caudal strip of dorsal tectum were mapped electrophysiologically. Initial maps recorded 1 month after surgery revealed visual scotoma corresponding to the ablated tectum. Subsequent maps recorded 4-5 months after the operation showed that the entire visual field redistributed appropriately over the remaining tectum. It is suggested that, in spite of an abnormal optic tectum, the reformed projection demonstrates a tendency to retain its completeness.
在切除成年金鱼背侧顶盖的头-尾条带后，通过电生理方法绘制了其视网膜顶盖连接。术后1个月记录的初始图谱显示与被切除顶盖相对应的视觉暗点。术后4 - 5个月记录的后续图谱表明，整个视野在剩余的顶盖上适当重新分布。有人认为，尽管视顶盖异常，但重新形成的投射仍表现出保持其完整性的趋势。
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