ArticleThe Journal of neuroscience : the official journal of the Society for Neuroscience2025
The Hidden Benefits of Noise: Low-Frequency tRNS and Dynamic Visual Noise Enhance Visual Processing.
Article in The Journal of neuroscience : the official journal of the Society for Neuroscience, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.
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1 citing paper in PubMed.
- Non-invasive neuroregulation techniques applied to patients with consciousness disorders: a narrative review.Frontiers in human neuroscience · 2026Review
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4 authors.
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Abstract
Sensory and perceptual processing are inherently shaped by both internal and external noise sources. While noise is typically seen as disruptive, it can, under certain conditions, enhance the detection of weak sensory signals-a phenomenon known as stochastic resonance (SR). Research on SR has primarily focused on dissimilar noise sources such as static visual noise or high-frequency transcranial random noise stimulation (hf-tRNS), leaving it unclear whether different noise types produce similar enhancements or operate through shared mechanisms. Here, we investigated how three external noise sources-hf-tRNS, low-frequency tRNS (lf-tRNS), and dynamic visual noise (DVN)-affect visual contrast detection, adopting an individualized analytical approach to account for variability in internal noise across participants. DVN was specifically designed to mirror the spatiotemporal characteristics of tRNS, enabling systematic evaluation of cortical- and sensory-level noise within a unified framework. Across three experiments (
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