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  • 标题:Redistribution of Visual Projections in Altered Optic Tecta of Adult Goldfish
  • 本地全文:下载
  • 作者:S. C. Sharma
  • 期刊名称:Proceedings of the National Academy of Sciences
  • 印刷版ISSN:0027-8424
  • 电子版ISSN:1091-6490
  • 出版年度:1972
  • 卷号:69
  • 期号:9
  • 页码:2637-2639
  • DOI:10.1073/pnas.69.9.2637
  • 语种:English
  • 出版社:The National Academy of Sciences of the United States of America
  • 摘要: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.
  • 关键词:retinotectal connections ; neuronal specificity
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