SYSTEMATIC MEASUREMENT OF HUMAN NEONATAL COLOR-VISION

被引:22
作者
ADAMS, RJ [1 ]
COURAGE, ML [1 ]
MERCER, ME [1 ]
机构
[1] ST CLARES MERCY HOSP, DEPT NEONATOL, ST JOHNS A1C 5B8, NF, CANADA
关键词
VISUAL DEVELOPMENT; COLOR VISION; INFANTS;
D O I
10.1016/0042-6989(94)90127-9
中图分类号
Q189 [神经科学];
学科分类号
071006 ;
摘要
We used a new time-efficient method to evaluate chromatic-achromatic discrimination in newborn (n = 36) and 1-month-old (n = 34) human infants. Results showed that 74% of newborns discriminated a 10.5 x 17.5 deg broadband red patch from all relative luminances of an achromatic background, but only 14% of newborns did so with a blue, 36% with a green, and 25% with a yellow patch. Most infants who ''failed'' did so at relative luminances very close to the respective photopic luminance match. At 1 month, performance improved somewhat although infants still show clear evidence of discriminating only the red patch. These results, the first to be obtained from individual newborns with a method incorporating a systematic variation of luminance, imply that early color vision is very limited. Possible photoreceptoral and neural bases for these immaturities are discussed.
引用
收藏
页码:1691 / 1701
页数:11
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