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| Predicate | Object |
|---|---|
| rdf:type | |
| lifeskim:mentions | |
| pubmed:issue |
3
|
| pubmed:dateCreated |
1978-11-18
|
| pubmed:abstractText |
Direction-specific losses of contrast sensitivity for sinusoidal test gratings as a function of the contrast of a sinusoidal adapting grating were found to be similar to those measured previously with square-wave gratings. Furthermore, both relationships were similar to that between motion aftereffect duration and the contrast of sinusoidal adapting gratings, and all three sets of data can be fit by a single function. The function shows that the magnitude of direction-specific adaptation effects increases linearly with the logarithm of adapting contrast in the low contrast region, but is essentially independent of contrast once the contrast exceeds threshold by more than a factor of five-six. In addition, it was found that direction-specific losses of contrast sensitivity are restricted to limited ranges of spatial frequency.
|
| pubmed:language |
eng
|
| pubmed:journal | |
| pubmed:citationSubset |
IM
|
| pubmed:status |
MEDLINE
|
| pubmed:issn |
0301-0066
|
| pubmed:author | |
| pubmed:issnType |
Print
|
| pubmed:volume |
7
|
| pubmed:owner |
NLM
|
| pubmed:authorsComplete |
Y
|
| pubmed:pagination |
261-7
|
| pubmed:dateRevised |
2004-11-17
|
| pubmed:meshHeading |
pubmed-meshheading:693226-Adaptation, Ocular,
pubmed-meshheading:693226-Differential Threshold,
pubmed-meshheading:693226-Form Perception,
pubmed-meshheading:693226-Humans,
pubmed-meshheading:693226-Motion Perception,
pubmed-meshheading:693226-Space Perception,
pubmed-meshheading:693226-Visual Perception
|
| pubmed:year |
1978
|
| pubmed:articleTitle |
On the capacity of directionally selective mechanisms to encode different dimensions of moving stimuli.
|
| pubmed:publicationType |
Journal Article
|