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Table 1 Colour discrimination thresholds summary from the male Alouatta caraya and female Alouatta seniculus

From: Uniform trichromacy in Alouatta caraya and Alouatta seniculus: behavioural and genetic colour vision evaluation

Subject

Mean (u’v’ unit)

Standard deviation

Male Alouatta caraya

 Ellipse 1

0.010475

0.004822

 Ellipse 2

0.00921

0.003624

 Ellipse 3

0.010955

0.006259

Female Alouatta seniculus

 Ellipse 1

0.016775

0.008880

 Ellipse 2

0.016935

0.007730

 Ellipse 3

0.01839

0.007384

  1. Subjects were tested using an adaptation from Goulart et al. [24] colour vision test, for the Alouatta genus. Mean vector length threshold of the 20 vectors for each center displayed in CIE 1976 u’v’ CIE chromaticity diagram units
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Frontiers in Zoology

ISSN: 1742-9994