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Predicate | Object |
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rdf:type | |
lifeskim:mentions | |
pubmed:issue |
2
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pubmed:dateCreated |
1987-12-3
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pubmed:abstractText |
Two different methods which minimize achromatic cues were used to test the ability of 1-month-olds to discriminate gray from broadband blue (lambda peak = 475-480 nm). Unlike the newborns we tested previously, 1-month-olds demonstrated the discrimination with both methods. In Experiment 1 they showed preferences for each of four blue-and-gray checkerboards over gray squares of the same mean luminance, even though the luminance of the gray checks was varied in small steps over a wide range. In Experiment 2 they looked longer at a blue square than at a gray square, after they had been habituated to five other gray squares of varying luminance. Compared to previous results, these data imply an improvement between birth and 1 month of age in the discrimination of gray from broadband blue. Possible physiological changes underlying this improvement are discussed.
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pubmed:language |
eng
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pubmed:journal | |
pubmed:citationSubset |
IM
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pubmed:status |
MEDLINE
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pubmed:month |
Oct
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pubmed:issn |
0022-0965
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pubmed:author | |
pubmed:issnType |
Print
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pubmed:volume |
44
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pubmed:owner |
NLM
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pubmed:authorsComplete |
Y
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pubmed:pagination |
147-56
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pubmed:dateRevised |
2006-11-15
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pubmed:meshHeading |
pubmed-meshheading:3668470-Child Development,
pubmed-meshheading:3668470-Color Perception,
pubmed-meshheading:3668470-Discrimination Learning,
pubmed-meshheading:3668470-Female,
pubmed-meshheading:3668470-Humans,
pubmed-meshheading:3668470-Infant,
pubmed-meshheading:3668470-Infant, Newborn,
pubmed-meshheading:3668470-Male
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pubmed:year |
1987
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pubmed:articleTitle |
Emergence of the ability to discriminate a blue from gray at one month of age.
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pubmed:affiliation |
Department of Psychology, McMaster University, Hamilton, Ontario, Canada.
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pubmed:publicationType |
Journal Article,
Research Support, Non-U.S. Gov't
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