Pupil dilation reflects perceptual selection and predicts subsequent stability in perceptual rivalry
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چکیده
منابع مشابه
Pupil dilation reflects perceptual selection and predicts subsequent stability in perceptual rivalry.
During sustained viewing of an ambiguous stimulus, an individual's perceptual experience will generally switch between the different possible alternatives rather than stay fixed on one interpretation (perceptual rivalry). Here, we measured pupil diameter while subjects viewed different ambiguous visual and auditory stimuli. For all stimuli tested, pupil diameter increased just before the report...
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What is the cause of perceptual switching of ambiguous stimuli? Although local competition between stimulus-specific representations can explain bistable perception dynamics (1), Einhäuser et al. (2) argue that norepinephrine (NE) release in the locus coeruleus (a nonperceptual structure) could play a critical role in perceptual bistability. They reported an NEmediated increase in pupil diamete...
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When different images are presented to the two eyes, binocular rivalry can occur - that is, perceptual alternations between the two monocular images (bi-stability) or between more than two percepts comprised of complementary portions of the two images (multi-stability). A recent paper reports important findings about the dynamics of multi-stable alternations in binocular rivalry.
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in E2 binding [17]. The equivalent position typically contains an aromatic or hydrophobic residue in the RING fingers and particularly in the U box, where it is almost invariably aromatic (Figure 1). The structural models show that this aromatic residue in the RING fingers and in the U-box domain is exposed (Figure 2) and could directly contribute to E2–ubiquitin binding via hydrophobic or arom...
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ژورنال
عنوان ژورنال: Proceedings of the National Academy of Sciences
سال: 2008
ISSN: 0027-8424,1091-6490
DOI: 10.1073/pnas.0707727105