Field potential analysis and the physiology of second-order neurons in the visual system of the fly

@article{Zimmerman1978FieldPA,
  title={Field potential analysis and the physiology of second-order neurons in the visual system of the fly},
  author={Roger P. Zimmerman},
  journal={Journal of comparative physiology},
  year={1978},
  volume={126},
  pages={297-316}
}
SummaryThe extracellular standing voltage in the eye and optic lobe of the dark-adapted fly was measured in conjunction with dye-marking techniques. A peripheral extracellular voltage drop of up to −55 mV is located in the synaptic region of the lamina ganglionaris. A larger, more proximal voltage of as much as −70 mV is located in the medulla. Analysis indicates that these regions correspond to current sinks. A hypothesis is proposed that the dark current sink in the lamina is produced by… CONTINUE READING

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