2016
DOI: 10.1523/jneurosci.2130-16.2016
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Phase-Amplitude Coupling and Long-Range Phase Synchronization Reveal Frontotemporal Interactions during Visual Working Memory

Abstract: Working memory maintenance, like other cognitive functions, requires the coordinated engagement of brain areas in local and large-scale networks. However, the mechanisms by which spatially distributed brain regions share and combine information remain primarily unknown. We show that the combination of long-range, low-frequency phase synchronization and local cross-frequency phase-amplitude coupling might serve as a mechanism to coordinate memory processes across distant brain areas. In this study, low-frequenc… Show more

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Cited by 158 publications
(145 citation statements)
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References 58 publications
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“…The results of our phase-amplitude coupling analysis for the theta and beta signals in the prediction network suggest that beta power, through coupling to the local theta phase, might dynamically modulate the information transfer through the long-range theta phase-phase coupling. Similar phase-amplitude coupling between theta and beta signals has been observed in previous studies, e.g., in visual working memory paradigms (Daume et al 2017).…”
Section: Prediction-related Network Dynamicssupporting
confidence: 88%
“…The results of our phase-amplitude coupling analysis for the theta and beta signals in the prediction network suggest that beta power, through coupling to the local theta phase, might dynamically modulate the information transfer through the long-range theta phase-phase coupling. Similar phase-amplitude coupling between theta and beta signals has been observed in previous studies, e.g., in visual working memory paradigms (Daume et al 2017).…”
Section: Prediction-related Network Dynamicssupporting
confidence: 88%
“…The coupling of EEG gamma activity between two different cortical areas, as analyzed by spectral coherence, increases during several behaviors and cognitive activities in both animals and humans (Bouyer et al, 1981;Bressler et al, 1993;H€ arle et al, 2004;Daume et al, 2017). Recently, we showed in cats and rats that long-range gamma coherence is maximum during W, decreases during NREM sleep and reaches its lowest value during REM sleep (Castro-Zaballa et al, 2013Cavelli et al, 2015;Torterolo et al, 2016).…”
Section: Introductionmentioning
confidence: 99%
“…596communication is facilitated by theta phase coherence(Daume et al, 2017; Reinhart 597 and Nguyen, 2019). Thus, the theta LFP which has been cited as one of the most global 598 oscillations in the brain acts as a timekeeper(Siegle and Wilson, 2014) that is coherent 599 across numerous cortical and subcortical structures arguing for its role in transfer of 600 discrete chunks of information(Buzsaki, 2002).…”
mentioning
confidence: 99%