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. 1973 Jul;62(1):77-86.
doi: 10.1085/jgp.62.1.77.

Rapid dark recovery of the invertebrate early receptor potential

P Hillman, F A Dodge, S Hochstein, B W Knight, B Minke

Rapid dark recovery of the invertebrate early receptor potential

P Hillman et al. J Gen Physiol. 1973 Jul.

Abstract

The recovery in the dark of the early receptor potential, as a direct manifestation of the state of the visual pigments, has been studied by intracellular recording in the ventral photoreceptors of Limulus and lateral photoreceptors of Balanus. The recovery is exponential with 1/e time constants of about 80 ms at 24 degrees C for both preparations and 1800 ms at 4 degrees C for Balanus. The 24 degrees C rate extrapolates to total recovery of the pigment within 2 s. The later part of the dark adaptation of the late receptor potential, which may take from seconds to minutes in these preparations, appears thus to be unrelated to the state of the pigment.

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