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A surprising property of electrical spread in the network of rods in the turtle's retina

Nature volume 274, pages 562565 (10 August 1978) | Download Citation

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Abstract

Flashing a localised stimulus onto a turtle's retina produces an intracellular potential wave which spreads through electrical connections from illuminated to unilluminated photoreceptors. The response in unilluminated rods (but not in cones) becomes faster as the distance from the source increases, perhaps because voltage-dependent permeability changes in the rod membrane make the coupled network behave like a high-pass filter.

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Author information

Affiliations

  1. Physiological Laboratory, University of Cambridge, UK and Department of Physiology and Biophysics, University of Washington, Seattle, Washington 98195

    • P. B. Detwiler
  2. Physiological Laboratory, University of Cambridge, UK

    • A. L. Hodgkin
    •  & P. A. McNaughton

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DOI

https://doi.org/10.1038/274562a0

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