Source:http://linkedlifedata.com/resource/pubmed/id/10493096
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Predicate | Object |
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rdf:type | |
lifeskim:mentions | |
pubmed:issue |
4
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pubmed:dateCreated |
1999-10-21
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pubmed:abstractText |
To test the hypothesis that Hermann grid illusory lines are most clear when the grid is presented at a 45 deg, each of 20 participants underwent 10 trials in each of two conditions ('make the lines least clear' and 'make the lines most clear') which were run using a method of adjustment. A matched-pairs t-test applied to the means of the two conditions was significant beyond the 0.01 level. One-group t-tests supported the claim that the illusory lines are least clear for a vertical/horizontal orientation of the grid and most clear when it is rotated 45 deg. The results substantiate, in a systematic manner, 70 years of claims about the effects of grid orientation on illusory line clarity.
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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:issn |
0169-1015
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pubmed:author | |
pubmed:issnType |
Print
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pubmed:volume |
12
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pubmed:owner |
NLM
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pubmed:authorsComplete |
Y
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pubmed:pagination |
461-5
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pubmed:dateRevised |
2006-11-15
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pubmed:meshHeading |
pubmed-meshheading:10493096-Adult,
pubmed-meshheading:10493096-Female,
pubmed-meshheading:10493096-Humans,
pubmed-meshheading:10493096-Illusions,
pubmed-meshheading:10493096-Male,
pubmed-meshheading:10493096-Orientation,
pubmed-meshheading:10493096-Pattern Recognition, Visual,
pubmed-meshheading:10493096-Photic Stimulation,
pubmed-meshheading:10493096-Reference Values
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pubmed:year |
1999
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pubmed:articleTitle |
The effect of orientation on the clarity of Hermann grid illusory lines.
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pubmed:affiliation |
The University College of the Cariboo, Kamloops, BC, Canada. dgoldwaithe@cariboo.bc.ca
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pubmed:publicationType |
Journal Article,
Comparative Study
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