ArticleScientific reports2024
Effects of inaudible Binaural beats on visuospatial memory performance and hemodynamic responses.
Article in Scientific reports, 2024. 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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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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Who cites it
1 citing paper in PubMed.
- Effect of Inaudible Binaural Beats Stimulation Timing and Task Performance Level on Visuospatial Working Memory.Behavioral sciences (Basel, Switzerland) · 2026Article
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7 authors.
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Abstract
This study aimed to observe the impact of pure Binaural Beats (BB) stimulation in the inaudible frequency range, excluding the influence of sound, on visuospatial memory. Additionally, we investigated whether the brainwave changes induced by BB stimulation directly affect brain activation. The experiment involved 17 participants (12 males with a mean age of 23.2 ± 1.7 and 5 females with a mean age of 21.0 ± 0.7) in their 20s. Each participant received 10 Hz BB stimulation by presenting frequencies of 18,000 Hz and 18,010 Hz to the left and right ears, respectively. The experiment consisted of Rest phase (5 min), Task phase (5 min), and Rest phase (5 min). The Task phase included conditions where participants performed the task either without BB stimulation "Task only" or with BB stimulation "Task + BB". Visuospatial memory was evaluated using the 3-back task. To observe brain activation, functional Near Infrared Spectroscopy (fNIRS) was employed to measure hemodynamic responses in all phases. The cognitive task performance (Accuracy, Reaction time) and oxyhemoglobin (HbO) concentration during the Task phase were compared between conditions with and without BB stimulation using paired t-tests. Results indicated a significantly shorter Reaction time in the Task + BB condition compared to the Task only condition. Moreover, an increase in HbO concentration was observed in the F1-F3, F2-F4, and P2-P4 regions during the Task + BB condition. In conclusion, the observed increase in HbO concentration suggests a positive influence on task performance. This study is meaningful in objectively demonstrating the impact of inaudible BB stimulation on visuospatial memory, utilizing both behavioral data and direct neural activation reflected in hemodynamic responses.
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