Summary
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1.
The ability to discriminate lights on difference in spectral composition is investigated in a wild rabbit.
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2.
An automatically operated two-choice apparatus and operant conditioning is used for this purpose.
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3.
In the ‘blue part’ of the spectrum, with reference to λ = 496 nm, the just noticable difference in wavelength (Δ λ) probably is in between -30 and -35 nm. Possibly as a result of chromatic adaptation, Δ λ was larger in the ‘green part’ of the spectrum.
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4.
The ability to discriminate spectrally different lights points to the independence of the ‘blue sensitive’ system and the ‘green sensitive’ system in the rabbit's retina.
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Nuboer, J.F.W. Spectral discrimination in a rabbit. Doc Ophthalmol 30, 279–298 (1971). https://doi.org/10.1007/BF00142525
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DOI: https://doi.org/10.1007/BF00142525