Abstract
Hooded and albino rats were compared with each other on the visual cliff when the deep side was varied in its distance below the glass. The two species both discriminated depth and did not differ from each other when the deep side was 10 in. below the glass. Hooded animals chose the shallow side over the deep side when the deep side was 4 in. below the glass. Albino animals had chance performance when the deep side was 4 in. or 6 in. below the glass, but they showed a significant preference for the shallow side at 8 in. of differential visual depth.
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This research was supported by National Institutes of Health Grant 1-T01-HD 00203-02 and National Science Foundation Grant GB-7937 to the second author. We wish to thank Epp Miller, Edward Mahn, and Richard Maurice for helping in the collection of data.
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Davidson, P.W., Walk, R.D. Differential visual depth discrimination of hooded as compared to albino rats. Psychon Sci 14, 207–208 (1969). https://doi.org/10.3758/BF03332794
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DOI: https://doi.org/10.3758/BF03332794