ArticleScientific reports2024
Increases in pre-stimulus theta and alpha oscillations precede successful encoding of crossmodal associations.
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 6 papers.
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Who cites it
6 citing papers in PubMed.
- Protecting episodic memory after sleep loss: Similar benefits of exercise and naps via distinct neural contributions.Proceedings of the National Academy of Sciences of the United States of America · 2026Article
- Disentangling the functional roles of pre-stimulus oscillations in crossmodal associative memory formation via sensory entrainment.Scientific reports · 2026Article
- Frontal Theta Oscillations in Perceptual Decision-Making Reflect Cognitive Control and Confidence.Brain sciences · 2026Article
- The order of multisensory associative sequences is reinstated as context feature during successful recognition.Scientific reports · 2025Article
- Neural representation of consciously seen and unseen information.Scientific reports · 2025Article
- Relevance of pre-stimulus oscillatory activity for the perceived valence of emotional facial expressions.Scientific reports · 2024Article
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Abstract
A central aspect of episodic memory is the formation of associations between stimuli from different modalities. Current theoretical approaches assume a functional role of ongoing oscillatory power and phase in the theta band (3-7 Hz) for the encoding of crossmodal associations. Furthermore, ongoing activity in the theta range as well as alpha (8-12 Hz) and low beta activity (13-20 Hz) before the presentation of a stimulus is thought to modulate subsequent cognitive processing, including processes that are related to memory. In this study, we tested the hypothesis that pre-stimulus characteristics of low frequency activity are relevant for the successful formation of crossmodal memory. The experimental design that was used specifically allowed for the investigation of associative memory independent from individual item memory. Participants (n = 51) were required to memorize associations between audiovisual stimulus pairs and distinguish them from newly arranged ones consisting of the same single stimuli in the subsequent recognition task. Our results show significant differences in the state of pre-stimulus theta and alpha power between remembered and not remembered crossmodal associations, clearly relating increased power to successful recognition. These differences were positively correlated with memory performance, suggesting functional relevance for behavioral measures of associative memory. Further analysis revealed similar effects in the low beta frequency ranges, indicating the involvement of different pre-stimulus-related cognitive processes. Phase-based connectivity measures in the theta band did not differ between remembered and not remembered stimulus pairs. The findings support the assumed functional relevance of theta band oscillations for the formation of associative memory and demonstrate that an increase of theta as well as alpha band oscillations in the pre-stimulus period is beneficial for the establishment of crossmodal memory.
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