Colour vision inDrosophila melanogaster: Wavelength discrimination

  title={Colour vision inDrosophila melanogaster: Wavelength discrimination},
  author={Christophe Salomon and H. -C. Spatz},
  journal={Journal of comparative physiology},
Drosophila melanogaster wildtype AS was trained to discriminate two light stimuli solely on the basis of the difference in wavelengths. 1. In a choice situation between lights of different wavelength in the range from 400 nm to 600 nm the distribution of flies was measured to determine the light intensities that elicit an equal (50:50) distribution. 2. A spectral sensitivity function was derived from the distribution curves (M/logI). The flies show nearly equal sensitivity in a range from 406… CONTINUE READING


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