Experimental Brain Research

, Volume 59, Issue 2, pp 423–425

Pattern ERG in the monkey after section of the optic nerve

  • L. Maffei
  • A. Fiorentini
  • S. Bisti
  • H. Holländer
Research Note

DOI: 10.1007/BF00230925

Cite this article as:
Maffei, L., Fiorentini, A., Bisti, S. et al. Exp Brain Res (1985) 59: 423. doi:10.1007/BF00230925

Summary

Electroretinographic responses (ERG) to homogeneous light flashes and to alternating gratings were recorded from either eye of monkeys in which one optic nerve had been previously sectioned. Three weeks after optic nerve section the ERG response of the operated eye to alternating gratings was drastically reduced in amplitude and 5 weeks after surgery it was reduced to noise level. The uniform field ERG was unaffected. Histological examination of whole-mounted retinas of monkeys sacrified 6 and 8 weeks after optic nerve section showed a loss of ganglion cells in the operated eye. It is concluded that the integrity of ganglion cells is essential for the generation of a normal ERG response to gratings.

Key words

ERG Monkey Gratings Ganglion cells 

Copyright information

© Springer-Verlag 1985

Authors and Affiliations

  • L. Maffei
    • 1
  • A. Fiorentini
    • 1
  • S. Bisti
    • 1
  • H. Holländer
    • 2
  1. 1.Istituto di Neurofisiologia del C.N.R.PisaItaly
  2. 2.Max-Planck-Institut für PsychiatrieMartinsried-PlaneggFederal Republic of Germany

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