ArticleThe Journal of neuroscience : the official journal of the Society for Neuroscience2024
Double Dissociation of Spontaneous Alpha-Band Activity and Pupil-Linked Arousal on Additive and Multiplicative Perceptual Gain.
Article in The Journal of neuroscience : the official journal of the Society for Neuroscience, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. An erratum has been issued. Cited by 10 papers.
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Who cites it
10 citing papers in PubMed, 15 citations in OpenAlex.
- Pre-stimulus pupil-linked arousal enhances initial stimulus availability and accelerates decay in iconic memory.Attention, perception & psychophysics · 2026Article
- Alpha-band echoes evoked by contrast and luminance changes emerge in and travel out from early visual cortex.Journal of vision · 2026Article
- Spontaneous Alpha-Band Lateralization Extends Persistence of Visual Information in Iconic Memory by Modulating Cortical Excitability.The Journal of neuroscience : the official journal of the Society for Neuroscience · 2025Article
- Distinct alpha networks modulate different aspects of perceptual decision-making.PLoS biology · 2025Article
- Enhancing visual perception by modulating prestimulus alpha and beta power with tRNS.Communications biology · 2025Article
- Selective Effects of Ongoing Alpha-Band Activity on Magno- and Parvo-Mediated Detection.Psychophysiology · 2025Article
- The Interplay of Spontaneous Pupil-Size Fluctuations and EEG Power in Near-Threshold Detection.Psychophysiology · 2025Article
- Spontaneous slow cortical potentials and brain oscillations independently influence conscious visual perception.PLoS biology · 2025Article
- Article
- Alpha-band fluctuations represent behaviorally relevant excitability changes as a consequence of top-down guided spatial attention in a probabilistic spatial cueing design.Imaging neuroscience (Cambridge, Mass.) · 2024Article
Corrections and comments
- Erratum issued
Authors and funding
2 authors at 1 institution in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Perception is a probabilistic process dependent on external stimulus properties and one's internal state. However, which internal states influence perception and via what mechanisms remain debated. We studied how spontaneous alpha-band activity (8-13 Hz) and pupil fluctuations impact visual detection and confidence across stimulus contrast levels (i.e., the contrast response function, CRF). In human subjects of both sexes, we found that low prestimulus alpha power induced an "additive" shift in the CRF, whereby stimuli were reported present more frequently at all contrast levels, including contrast of zero (i.e., false alarms). Conversely, prestimulus pupil size had a "multiplicative" effect on detection such that stimuli occurring during large pupil states (putatively corresponding to higher arousal) were perceived more frequently as contrast increased. Signal detection modeling reveals that alpha power changes detection criteria equally across the CRF but not detection sensitivity (
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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.