Synaptic development of regenerating retinotectal projection of goldfish.
The purpose of the present study is to examine the post-synaptic phenomena underlying the target finding process of regenerating retinal fibers. To perform this, retinotectal mapping was made using field potentials generated by small spots of light fixed in the visual field. The results show that regenerating retinal fibers first make functional but temporary, unspecific and diffuse synapses on the rostral tectum, disregarding the positions of their final target area, before making the sharpened and retinotopic projections.
Matsumoto
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Department of Biophysical Engineering, Faculty of Engineering Science, Osaka University, Japan.
D000818:Animals; D003530:Cyprinidae / Q000254:growth & development*; D006054:Goldfish / Q000254:growth & development*; D012038:Regeneration; D012160:Retina / Q000254:growth & development* / Q000502:physiology; D013477:Superior Colliculi / Q000254:growth & development / Q000502:physiology; D013569:Synapses / Q000502:physiology*