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Which of the following is true about the primary visual pathway? a. It multiplexes luminance contrast and pure colour (in a 4 colour code).b. It carries information about colour but not achromatic (grey level) boundaries. c. It carries information about chromatic boundaries. d. It does not carry information about achromatic (grey level) boundaries. e. It transmits information to the cortex using a code based on 3 wavelengths of light.

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