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More superimposition for contrast-modulated than luminance-modulated stimuli during binocular rivalry

Overview of attention for article published in Vision Research, November 2017
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Title
More superimposition for contrast-modulated than luminance-modulated stimuli during binocular rivalry
Published in
Vision Research, November 2017
DOI 10.1016/j.visres.2017.10.002
Pubmed ID
Authors

Jan Skerswetat, Monika A. Formankiewicz, Sarah J. Waugh

Abstract

Luminance-modulated noise (LM) and contrast-modulated noise (CM) gratings were presented with interocularly correlated, uncorrelated and anti-correlated binary noise to investigate their contributions to mixed percepts, specifically piecemeal and superimposition, during binocular rivalry. Stimuli were sine-wave gratings of 2c/deg presented within 2 deg circular apertures. The LM stimulus contrast was 0.1 and the CM stimulus modulation depth was 1.0, equating to approximately 5 and 7 times detection threshold, respectively. Twelve 45s trials, per noise configuration, were carried out. Fifteen participants with normal vision indicated via button presses whether an exclusive, piecemeal or superimposed percept was seen. For all noise conditions LM stimuli generated more exclusive visibility, and lower proportions of superimposition. CM stimuli lead to greater proportions and longer periods of superimposition. For both stimulus types, correlated interocular noise generates more superimposition than does anti-or uncorrelated interocular noise. No significant effect of stimulus type (LM vs CM) or noise configuration (correlated, uncorrelated, anti-correlated) on piecemeal perception was found. Exclusive visibility is greater in proportion, and perceptual changes more numerous, during binocular rivalry for CM stimuli when interocular noise is not correlated. This suggests that mutual inhibition, initiated by non-correlated noise CM gratings, occurs between neurons processing luminance noise (first-order component), as well as those processing gratings (second-order component). Therefore, first- and second-order components can contribute to overall binocular rivalry responses. We suggest the addition of a new well to the current energy landscape model for binocular rivalry that takes superimposition into account.

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Mendeley readers

Mendeley readers

The data shown below were compiled from readership statistics for 24 Mendeley readers of this research output. Click here to see the associated Mendeley record.

Geographical breakdown

Country Count As %
Unknown 24 100%

Demographic breakdown

Readers by professional status Count As %
Student > Ph. D. Student 7 29%
Student > Bachelor 3 13%
Student > Master 3 13%
Professor 2 8%
Researcher 2 8%
Other 3 13%
Unknown 4 17%
Readers by discipline Count As %
Psychology 5 21%
Neuroscience 5 21%
Medicine and Dentistry 2 8%
Agricultural and Biological Sciences 1 4%
Social Sciences 1 4%
Other 3 13%
Unknown 7 29%
Attention Score in Context

Attention Score in Context

This research output has an Altmetric Attention Score of 2. This is our high-level measure of the quality and quantity of online attention that it has received. This Attention Score, as well as the ranking and number of research outputs shown below, was calculated when the research output was last mentioned on 14 November 2017.
All research outputs
#15,523,434
of 25,382,440 outputs
Outputs from Vision Research
#1,798
of 2,497 outputs
Outputs of similar age
#182,333
of 338,252 outputs
Outputs of similar age from Vision Research
#7
of 18 outputs
Altmetric has tracked 25,382,440 research outputs across all sources so far. This one is in the 37th percentile – i.e., 37% of other outputs scored the same or lower than it.
So far Altmetric has tracked 2,497 research outputs from this source. They typically receive a little more attention than average, with a mean Attention Score of 6.7. This one is in the 26th percentile – i.e., 26% of its peers scored the same or lower than it.
Older research outputs will score higher simply because they've had more time to accumulate mentions. To account for age we can compare this Altmetric Attention Score to the 338,252 tracked outputs that were published within six weeks on either side of this one in any source. This one is in the 45th percentile – i.e., 45% of its contemporaries scored the same or lower than it.
We're also able to compare this research output to 18 others from the same source and published within six weeks on either side of this one. This one has gotten more attention than average, scoring higher than 61% of its contemporaries.