Changes in light scattering associated with the action potential in crab nerves

@article{Cohen1971ChangesIL,
  title={Changes in light scattering associated with the action potential in crab nerves},
  author={Lawrence B. Cohen and Richard Darwin Keynes},
  journal={The Journal of Physiology},
  year={1971},
  volume={212}
}
1. Changes in light scattering from stimulated crab leg nerves were measured in an effort to study changes in structure that occur during the action potential. 
Changes in light scattering that accompany the action potential in squid giant axons: potential‐dependent components
1. To obtain information about structural events that occur in axons, changes in light scattering from squid giant axons were measured during action potentials and voltage‐clamp steps.
Analysis of the potential‐dependent changes in optical retardation in the squid giant axon
1. An analysis has been made of the change in optical retradation of the membrane elicited by the application of voltage—clamp pulses in squid giant axons.
Changes in axon light scattering that accompany the action potential: current‐dependent components
TLDR
When light scattering was measured during hyperpolarizing and depolarizing voltage‐clamp steps, relatively large scattering changes were found to depend on the time integral of the ionic current and not on the changes in conductance or potential.
Mechanical, thermal, and optical changes of the nerve membrane associated with excitation.
  • A. Watanabe
  • Physics
    The Japanese journal of physiology
  • 1986
TLDR
Nerve fibers produce several non-electrical signals on excitation, and recent findings are discussed in the hope that some of them might give us clues to molecular events underlying the excitation process.
Effects of External Electric Fields on Light Transmittance in Isolated Crayfish Nerves
TLDR
A PEEF and EEF produced an irreversible increase in the variation of light transmittance in normal nerves but a reversible increase in TTX treated nerves, which may be due to either an alteration in the ion/fluid flux within the nerve or a physical alteration of protein molecules in the membranes.
Change in optical activity of a lobster nerve associated with excitation.
TLDR
To record the change in optical rotation of a nerve fibre associated with excitation, an optical apparatus was constructed using a polarizer, a photo‐elastic modulator, an analyser and a lock‐in amplifier to deduce the birefringence signal from a series of R‐signals observed at various nerve azimuths.
Advances in recording scattered light changes in crustacean nerve with electrical activation
TLDR
Improved detection schemes disclosed high temporal structure of the optical signals and allowed further investigations of biophysical mechanisms responsible for such changes, and new developments in computer and optical technology allow optical recording with higher temporal resolution than could be achieved previously.
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The size and time course of the changes in light scattering and in bire‐fringence that occur during and after the discharge of the electric organ are determined.
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Two optical techniques—light scattering and birefringence—have been used to detect rapid structural changes accompanying the action potentials in two types of non-myelinated nerve fibre. Changes in
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TLDR
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The present paper deals with three different problems: the general structure in the different species of squid used, the nature of the pathways located in the Schwann cell layer, and the structure of the axolemma.
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TLDR
The purpose of this paper is to give a brief account of the preliminary influx determinations, and of a few experiments on the K efflux from axons into which 42K had been injected.
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TLDR
G Gothlin (1913) showed beyond doubt that the axis cylinder is weakly uniaxially positive in life,particularly at the regions of nodal constriction (vertebrate axons).
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