ArticleCommunications psychology2025
Pre-stimulus beta power mediates explicit and implicit perceptual biases in distinct cortical areas.
Article in Communications psychology, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 3 papers.
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Who cites it
3 citing papers in PubMed.
- Motor Prediction Reduces Beta-Band Power and Enhances Cerebellar-Somatosensory Connectivity before Self-Touch to Enable Its Attenuation.The Journal of neuroscience : the official journal of the Society for Neuroscience · 2026Article
- Social priors and mentalizing connectivity across autistic and schizotypal traits.Social cognitive and affective neuroscience · 2026Article
- Excitability Modulations of Somatosensory Perception Do Not Depend on Feedforward Neuronal Population Spikes.The Journal of neuroscience : the official journal of the Society for Neuroscience · 2025Article
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Authors and funding
8 authors.
Funding
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Abstract
Perception is biased by expectations and previous actions. Pre-stimulus brain oscillations are a potential candidate for implementing biases in the brain. In two EEG studies (43 and 39 participants) on somatosensory near-threshold detection, we investigated the pre-stimulus neural correlates of an (implicit) previous choice bias and an explicit bias. The explicit bias was introduced by informing participants about stimulus probability on a single-trial level (volatile context) or block-wise (stable context). Behavioural analysis confirmed adjustments in the decision criterion and confidence ratings according to the cued probabilities and previous choice-induced biases. Pre-stimulus beta power with distinct sources in sensory and higher-order cortical areas predicted explicit and implicit biases, respectively, on a single subject level and partially mediated the impact of previous choice and stimulus probability on the detection response. We suggest pre-stimulus beta oscillations in distinct brain areas as a neural correlate of explicit and implicit biases in somatosensory perception.
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Registered trials
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