ArticleScientific reports2017
Temporal dynamics of TMS interference over preparatory alpha activity during semantic decisions.
Article in Scientific reports, 2017. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 5 papers.
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Who cites it
5 citing papers in PubMed.
- SmartERD: a pipeline for referencing subjects to a common peak in the analysis of ERD dynamics.Scientific reports · 2025Article
- Investigating the effect of rTMS over the temporoparietal cortex on the Right Ear Advantage for perceived and imagined voices.Scientific reports · 2024Article
- Visuo-spatial attention and semantic memory competition in the parietal cortex.Scientific reports · 2023Article
- Pre-stimulus EEG Microstates Correlate With Anticipatory Alpha Desynchronization.Frontiers in human neuroscience · 2020Article
- Theta-burst stimulation causally affects side perception in the Deutsch's octave illusion.Scientific reports · 2018Article
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Authors and funding
4 authors.
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Abstract
The mean amplitude of the EEG alpha (8-12 Hz) power de-synchronization (ERD) is a robust electrophysiological correlate of task anticipation. Furthermore, in paradigms using a fixed period between warning and target stimuli, such alpha de-synchronization tends to increase and to peak just before target presentation. Previous studies from our group showed that the anticipatory alpha ERD can be modulated when magnetic stimulation is delivered over specific cortical regions during a variety of cognitive tasks. In this study we investigate the temporal dynamics of the anticipatory alpha ERD and test whether the magnetic stimulation produces either a general attenuation or an interruption of the typical development of alpha ERD. We report that, during a semantic decision task, rTMS over left AG, a region previously associated to semantic memory retrieval, shortened the peak latency and decreased the peak amplitude of the anticipatory alpha de-synchronization as compared to both active (left IPS) and non-active (Sham) TMS conditions. These results, while supporting the causal role of the left AG in the anticipation of a semantic decision task, suggest that magnetic interference not simply reduces the mean amplitude of anticipatory alpha ERD but also interrupts its typical temporal evolution in paradigms employing fixed cue-target intervals.
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