Summary
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1.
We report here a psychophysical technique for studying the spectral sensitivity of jumping spiders (family Salticidae), based on a newly discovered oculomotor reflex.
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2.
Our results, obtained fromMaevia inclemens (Salticidae), are compatible with electrophysiological findings of retinal cells maximally sensitive in the green and ultraviolet regions of the spectrum.
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3.
Sensitivity to longer wavelengths (>650 nm) has been controversial. In our study jumping spiders are shown to have a broad spectral sensitivity function extending from the ultraviolet (330 nm) to the deep red (700 nm).
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Abbreviations
- AL :
-
anterior lateral (eyes)
- AM :
-
anterior median (eyes)
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Peaslee, A.G., Wilson, G. Spectral sensitivity in jumping spiders (Araneae, Salticidae). J. Comp. Physiol. 164, 359–363 (1989). https://doi.org/10.1007/BF00612995
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DOI: https://doi.org/10.1007/BF00612995