Significant dose-related impairments in hue discrimination on the Farnsworth-Munsell 100 hue test were produced by acute doses of alcohol and marijuana. The impairment of color discrimination was predominantly located in the blue region of the color circle and resembles that seen in acquired color vision defects associated with retinal pathology. The transient nature of the reduced color discrimination raises practical problems in tasks which require stable color perception.
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This research was supported by Contract No. DADA17-73-C-3106 from the U. S. Army Medical Research and Development Command to the Visual Sciences Division of the Optical Sciences Group, San Rafael, California, and by National Institute of Health Grants KO2MH32904 and DA00033 to R. T. J.
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Adams, A.J., Brown, B., Haegerstrom-Portnoy, G. et al. Evidence for acute effects of alcohol and marijuana on color discrimination. Perception & Psychophysics 20, 119–124 (1976). https://doi.org/10.3758/BF03199442
- Color Vision
- Color Circle
- Error Score
- Color Discrimination
- Blood Alcohol Level