Abstract
Pigeons and humans were required to discriminate coherent from random motion in dynamic random dot displays. Coherence and velocity thresholds were determined for both species, and both thresholds were found to be substantially higher for pigeons than for humans. The results are discussed with reference to differences in motion processing in mammals and birds. It is suggested that the inferior motion sensitivity of pigeons can be attributed to poorer spatiotemporal motion integration.
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This research was supported by research grants from the Natural Sciences and Engineering Research Council of Canada to W.F.B., D.R.W.W., and M.L.S. and by an Alberta Heritage Establishment Grant to D.R.W.W.
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Bischof, W.E., Reid, S.L., Wylie, D.R.W. et al. Perception of coherent motion in random dot displays by pigeons and humans. Perception & Psychophysics 61, 1089–1101 (1999). https://doi.org/10.3758/BF03207616
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DOI: https://doi.org/10.3758/BF03207616