IHS model of ambiguous-figure rivalry (CVS studies)
The IHS model of conventional binocular rivalry was then extended to a model of perceptual rivalry
in generalby Trung Ngo who applied the CVS technique during viewing of two types of bistable, ambiguous figures (also known as reversible figures): the Necker cube and Rubin’s vase–faces illusion.
In these experiments, again only left-hemisphere activation with CVS induced significant predominance changes, with no significant effect from (i) right-hemisphere activation; (ii) a control condition with
no stimulation; and (iii) a control condition with sham stimulation using body-temperature water
(Necker-cube study published in Miller et al., 2000).
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