Flexible gating of contextual influences in natural vision.
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| Title: | Flexible gating of contextual influences in natural vision. |
|---|---|
| Authors: | Coen-Cagli, Ruben, Kohn, Adam, Schwartz, Odelia |
| Source: | Nature Neuroscience. Nov2015, Vol. 18 Issue 11, p1648-1655. 8p. 1 Diagram, 6 Graphs. |
| Subjects: | Vision research, Nerve endings, Bayesian analysis, Visual cortex, Occipital lobe |
| Abstract: | Identical sensory inputs can be perceived as markedly different when embedded in distinct contexts. Neural responses to simple stimuli are also modulated by context, but the contribution of this modulation to the processing of natural sensory input is unclear. We measured surround suppression, a quintessential contextual influence, in macaque primary visual cortex with natural images. We found that suppression strength varied substantially for different images. This variability was not well explained by existing descriptions of surround suppression, but it was predicted by Bayesian inference about statistical dependencies in images. In this framework, surround suppression was flexible: it was recruited when the image was inferred to contain redundancies and substantially reduced in strength otherwise. Thus, our results reveal a gating of a basic, widespread cortical computation by inference about the statistics of natural input. [ABSTRACT FROM AUTHOR] |
| Copyright of Nature Neuroscience is the property of Springer Nature and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.) | |
| Database: | Psychology and Behavioral Sciences Collection |
| FullText | Links: – Type: pdflink Text: Availability: 0 |
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| Header | DbId: pbh DbLabel: Psychology and Behavioral Sciences Collection An: 110542241 AccessLevel: 6 PubType: Academic Journal PubTypeId: academicJournal PreciseRelevancyScore: 0 |
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| Items | – Name: Title Label: Title Group: Ti Data: Flexible gating of contextual influences in natural vision. – Name: Author Label: Authors Group: Au Data: <searchLink fieldCode="AR" term="%22Coen-Cagli%2C+Ruben%22">Coen-Cagli, Ruben</searchLink><br /><searchLink fieldCode="AR" term="%22Kohn%2C+Adam%22">Kohn, Adam</searchLink><br /><searchLink fieldCode="AR" term="%22Schwartz%2C+Odelia%22">Schwartz, Odelia</searchLink> – Name: TitleSource Label: Source Group: Src Data: <searchLink fieldCode="JN" term="%22Nature+Neuroscience%22">Nature Neuroscience</searchLink>. Nov2015, Vol. 18 Issue 11, p1648-1655. 8p. 1 Diagram, 6 Graphs. – Name: Subject Label: Subjects Group: Su Data: <searchLink fieldCode="DE" term="%22Vision+research%22">Vision research</searchLink><br /><searchLink fieldCode="DE" term="%22Nerve+endings%22">Nerve endings</searchLink><br /><searchLink fieldCode="DE" term="%22Bayesian+analysis%22">Bayesian analysis</searchLink><br /><searchLink fieldCode="DE" term="%22Visual+cortex%22">Visual cortex</searchLink><br /><searchLink fieldCode="DE" term="%22Occipital+lobe%22">Occipital lobe</searchLink> – Name: Abstract Label: Abstract Group: Ab Data: Identical sensory inputs can be perceived as markedly different when embedded in distinct contexts. Neural responses to simple stimuli are also modulated by context, but the contribution of this modulation to the processing of natural sensory input is unclear. We measured surround suppression, a quintessential contextual influence, in macaque primary visual cortex with natural images. We found that suppression strength varied substantially for different images. This variability was not well explained by existing descriptions of surround suppression, but it was predicted by Bayesian inference about statistical dependencies in images. In this framework, surround suppression was flexible: it was recruited when the image was inferred to contain redundancies and substantially reduced in strength otherwise. Thus, our results reveal a gating of a basic, widespread cortical computation by inference about the statistics of natural input. [ABSTRACT FROM AUTHOR] – Name: AbstractSuppliedCopyright Label: Group: Ab Data: <i>Copyright of Nature Neuroscience is the property of Springer Nature and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.) |
| PLink | https://search.ebscohost.com/login.aspx?direct=true&site=eds-live&db=pbh&AN=110542241 |
| RecordInfo | BibRecord: BibEntity: Identifiers: – Type: doi Value: 10.1038/nn.4128 Languages: – Code: eng Text: English PhysicalDescription: Pagination: PageCount: 8 StartPage: 1648 Subjects: – SubjectFull: Vision research Type: general – SubjectFull: Nerve endings Type: general – SubjectFull: Bayesian analysis Type: general – SubjectFull: Visual cortex Type: general – SubjectFull: Occipital lobe Type: general Titles: – TitleFull: Flexible gating of contextual influences in natural vision. Type: main BibRelationships: HasContributorRelationships: – PersonEntity: Name: NameFull: Coen-Cagli, Ruben – PersonEntity: Name: NameFull: Kohn, Adam – PersonEntity: Name: NameFull: Schwartz, Odelia IsPartOfRelationships: – BibEntity: Dates: – D: 01 M: 11 Text: Nov2015 Type: published Y: 2015 Identifiers: – Type: issn-print Value: 10976256 Numbering: – Type: volume Value: 18 – Type: issue Value: 11 Titles: – TitleFull: Nature Neuroscience Type: main |
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