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Neural correlates of stereoscopic depth perception: A fNIRS study
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2016 (English)In: 2016 Progress In Electromagnetics Research Symposium, PIERS 2016 - Proceedings, Institute of Electrical and Electronics Engineers (IEEE), 2016, p. 4442-4446, article id 7735646Conference paper, Published paper (Refereed)
Abstract [en]

The aim of the present study was to explore the brain region correlated with stereoscopic depth perception with different degree of binocular disparities. fNIRS was used to measure the neural activity of the occipital cortex induced by random-dot stereogram (RDS) with disparities from 0.1° to 1.5° and analyzed the strength and activation pattern from participants with left and right eyedness. Results revealed that the visual cortex was spatial correlated with the binocular disparity and there was a left lateralization effect for right-eye-dominant participants. Furthermore, binocular disparity around 0.5° led the strongest activation, whereas binocular disparity exceed 1.1° led lower activation which could be caused by visual fatigue. The present study supported the feasibility of fNIRS to assess the neural correlates of stereoscopic depth perception, to optimize the stereoscopic vision, and to objective evaluation of visual fatigue.

Place, publisher, year, edition, pages
Institute of Electrical and Electronics Engineers (IEEE), 2016. p. 4442-4446, article id 7735646
Keywords [en]
Binoculars, Bins, Brain, Chemical activation, Functional neuroimaging, Neurons, Stereo image processing, Activation patterns, Binocular disparity, Objective evaluation, Occipital cortex, Random dot stereograms, Spatial correlated, Stereoscopic depth perception, Stereoscopic vision
National Category
Other Electrical Engineering, Electronic Engineering, Information Engineering
Identifiers
URN: urn:nbn:se:kth:diva-202031DOI: 10.1109/PIERS.2016.7735646ISI: 000400013904001Scopus ID: 2-s2.0-85006789558ISBN: 9781509060931 (print)OAI: oai:DiVA.org:kth-202031DiVA, id: diva2:1076552
Conference
2016 Progress In Electromagnetics Research Symposium, PIERS 2016, Shanghai, China, 8 August 2016 through 11 August 2016
Note

QC 20170223

Available from: 2017-02-23 Created: 2017-02-23 Last updated: 2017-05-29Bibliographically approved

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Publisher's full textScopushttp://piers.org/piers2016Shanghai/

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CiteExportLink to record
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Citation style
  • apa
  • harvard1
  • ieee
  • modern-language-association-8th-edition
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Language
  • de-DE
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  • fi-FI
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  • Other locale
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Output format
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  • asciidoc
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