Abstract:
:Binocular rivalry occurs when an image is presented to one eye while at the same time another, incongruent, image is presented to the other eye in the corresponding retinotopic location and conscious perception alternates spontaneously between the two monocular views. If a short blank period is inserted between intermittent presentations of rivaling stimuli, perception is stabilized and spontaneous alternations are drastically reduced. Whether the complexity of rivaling stimuli plays a role in stabilization is unknown. We replicated previous findings that swapping the stimuli between eyes across presentations abolishes stabilization for Gabors, but for more complex stimuli (a face and a house in our experiment), stabilization is eye-specific and not disrupted. Phase scrambling the rivaling face and house images did not change the stabilization pattern showing that the pattern can be observed without high-level perceptual content. We conclude that overlaps at low visual stages are the most likely cause of the eye-specific stabilization for both stimulus types. Additionally, we examined the impact of swapping the flicker frequency of the images and found a general impact on stabilization not specific to stimulus type. Taken together, the findings indicate that choice of stimulus features impact greatly on the results obtained in stabilization paradigms.
journal_name
J Visjournal_title
Journal of visionauthors
Sandberg K,Bahrami B,Lindeløv JK,Overgaard M,Rees Gdoi
10.1167/11.2.6subject
Has Abstractpub_date
2011-02-08 00:00:00issue
2issn
1534-7362pii
11.2.6journal_volume
11pub_type
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