Internal recording of the early receptor potential in turtle cones.

@article{Hodgkin1977InternalRO,
  title={Internal recording of the early receptor potential in turtle cones.},
  author={Alan L. Hodgkin and P M Obryan},
  journal={The Journal of physiology},
  year={1977},
  volume={267 3},
  pages={737-66}
}
1. Early receptor potentials (E.R.P.s) were recorded with internal electrodes in turtle cones by applying brief flashes from a xenon tube with a maximum photon density equivalent to 2-3 x 10(8) photons micronm-2 at the optimum wave-length. 2. The E.R.P. was separated from the late receptor potential (L.R.P.) by superposing in flash on a step of light which was strong enough to saturate the L.R.P. 3. In red-sensitive cones the E.R.P. consisted of a brief depolarizing phase (R1) followed by a… CONTINUE READING

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