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Journal article
Can eye of origin serve as a deviant? Visual mismatch negativity from binocular rivalry
Frontiers in Human Neuroscience, Vol.7
2013
Abstract
The visual mismatch negativity (vMMN) is a negative deflection in an event-related potential (ERP) between 200 and 400 ms after onset of an infrequent stimulus in a sequence of frequent stimuli. Binocular rivalry occurs when one image is presented to one eye and a different image is presented to the other. Although the images in the two eyes are unchanging, perception alternates unpredictably between the two images for as long as one cares to look. Binocular rivalry, therefore, provides a useful test of whether the vMMN is produced by low levels of the visual system at which the images are processed, or by higher levels at which perception is mediated. To investigate whether a vMMN can be evoked during binocular rivalry, we showed 80% standards comprising a vertical grating to one eye and a horizontal grating to the other and 20% deviants, in which the gratings either swapped between the eyes (eye-swap deviants) or changed their orientations by 45° (oblique deviants). Fourteen participants observed the stimuli in 16, 4-min blocks. In eight consecutive blocks, participants recorded their experiences of rivalry by pressing keys-we call this the attend-to-rivalry condition. In the remaining eight consecutive blocks, participants performed a demanding task at fixation (a 2-back task), also by pressing keys-we call this the reduced-attention condition. We found deviance-related negativity from about 140 ms to about 220 ms after onset of a deviant. There were two noticeable troughs that we call an early vMMN (140-160 ms) and a late vMMN (200-220 ms). These were essentially similar for oblique deviants and eye-swap deviants. They were also essentially similar in the attend-to-rivalry conditions and the reduced-attention conditions. We also found a late, deviance-related negativity from about 270 to about 290 ms in the attend-to-rivalry conditions. We conclude that the vMMN can be evoked during the ever-changing perceptual changes of binocular rivalry and that it is sensitive to the eye of origin of binocular-rivalry stimuli. This is consistent with the vMMN's being produced by low levels of the visual system.
Details
- Title
- Can eye of origin serve as a deviant? Visual mismatch negativity from binocular rivalry
- Authors/Creators
- M. van Rhijn (Author/Creator) - Southern Cross UniversityU. Roeber (Author/Creator) - Southern Cross UniversityR.P. O'Shea (Author/Creator) - Southern Cross University
- Publication Details
- Frontiers in Human Neuroscience, Vol.7
- Publisher
- Frontiers Research Foundation
- Identifiers
- 991005543116707891
- Copyright
- © 2013 Van Rhijn, Roeber and O'Shea.
- Murdoch Affiliation
- School of Psychology and Exercise Science
- Language
- English
- Resource Type
- Journal article
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- 1.7 Neuroscanning
- 1.7.968 Mismatch Negativity
- Web Of Science research areas
- Neurosciences
- Psychology
- ESI research areas
- Neuroscience & Behavior