VEP Responses to Op-Art Stimuli

Louise O'Hare; Alasdair D F Clarke; Petra M J Pollux

doi:10.1371/journal.pone.0139400

VEP Responses to Op-Art Stimuli

Louise O'Hare
, Alasdair D F Clarke
, Petra M J Pollux

Psychology

University of Lincoln

Research output: Contribution to journal › Article › peer-review

13 Citations (Scopus)

10 Downloads (Pure)

Abstract

Several types of striped patterns have been reported to cause adverse sensations described as visual discomfort. Previous research using op-art-based stimuli has demonstrated that spurious eye movement signals can cause the experience of illusory motion, or shimmering effects, which might be perceived as uncomfortable. Whilst the shimmering effects are one cause of discomfort, another possible contributor to discomfort is excessive neural responses: As striped patterns do not have the statistical redundancy typical of natural images, they are perhaps unable to be encoded efficiently. If this is the case, then this should be seen in the amplitude of the EEG response. This study found that stimuli that were judged to be most comfortable were also those with the lowest EEG amplitude. This provides some support for the idea that excessive neural responses might also contribute to discomfort judgements in normal populations, in stimuli controlled for perceived contrast.

Original language	English
Article number	e0139400
Number of pages	18
Journal	PloS ONE
Volume	10
Issue number	9
Early online date	30 Sept 2015
DOIs	https://doi.org/10.1371/journal.pone.0139400
Publication status	Published - 30 Sept 2015

Bibliographical note

Date of Acceptance: 10/09/2015

Funding: This work was supported by a BA/Leverhulme Small Research Grant, reference number SG131233, (see http://www.britac.ac.uk/funding/guide/srg.cfm). The funders had no role in study design, data collection and analysis, decision to publish, or preparation of the manuscript.

Data Availability: There are some restrictions on the data availability as the consent form indicated that only the researchers involved in the study would have access to the individual data. The anonymised form of the data is available in the link in the supplementary information. All anonymised data files are available from the figshare database (accession number(s) http://dx.doi.org/10.6084/m9.figshare.1480915).

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VEP Responses to Op-Art Stimuli
This is an open access article under the terms of the Creative Commons Attribution License, which permits use, distribution and reproduction in any medium, provided the original work is properly cited. http://creativecommons.org/licenses/by/4.0/
Final published version, 548 KBLicence: CC BY

Cite this

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abstract = "Several types of striped patterns have been reported to cause adverse sensations described as visual discomfort. Previous research using op-art-based stimuli has demonstrated that spurious eye movement signals can cause the experience of illusory motion, or shimmering effects, which might be perceived as uncomfortable. Whilst the shimmering effects are one cause of discomfort, another possible contributor to discomfort is excessive neural responses: As striped patterns do not have the statistical redundancy typical of natural images, they are perhaps unable to be encoded efficiently. If this is the case, then this should be seen in the amplitude of the EEG response. This study found that stimuli that were judged to be most comfortable were also those with the lowest EEG amplitude. This provides some support for the idea that excessive neural responses might also contribute to discomfort judgements in normal populations, in stimuli controlled for perceived contrast.",

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VEP Responses to Op-Art Stimuli

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