Publikation:

Neural network communication facilitates verbal working memory

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2018

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Miller, Gregory A

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https://doi.org/10.1016/j.biopsycho.2018.05.018
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Published

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Biological psychology. 2018, 136, pp. 119-126. ISSN 0301-0511. eISSN 1873-6246. Available under: doi: 10.1016/j.biopsycho.2018.05.018

Zusammenfassung

Oscillatory brain activity in the theta, alpha, and gamma frequency ranges has been associated with working memory (WM). In addition to alpha and theta activity associated with WM retention, and gamma band activity with item encoding, activity in the alpha band is related to the deployment of attention resources and information. The present study sought to specify distinct roles of neuromagnetic 4-7 Hz theta, 9-13 Hz alpha, and 50-70 Hz gamma power modulation and communication in fronto-parietal networks during cued, hemifield-specific item presentation in a modified Sternberg verbal WM task in 14 student volunteers. Lateralized posterior alpha and gamma power during encoding suggest a preparatory role of alpha oscillations. Bilateral alpha power increases during maintenance reflect information retention for the non-lateralized probe response. Lateralized alpha power increase during encoding was apparently driven by a monotonic increase in fronto-parietal 6 Hz phase, suggesting a mechanism facilitating WM encoding and successful performance.

Zusammenfassung in einer weiteren Sprache

Fachgebiet (DDC)
150 Psychologie

Schlagwörter

Working memory, Executive function, Oscillations, Lateralized, Brain response, Connectivity, Phase synchrony, MEG

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ISO 690KUSTERMANN, Thomas, Brigitte ROCKSTROH, Gregory A MILLER, Tzvetan G. POPOV, 2018. Neural network communication facilitates verbal working memory. In: Biological psychology. 2018, 136, pp. 119-126. ISSN 0301-0511. eISSN 1873-6246. Available under: doi: 10.1016/j.biopsycho.2018.05.018
BibTex
@article{Kustermann2018-07Neura-43027,
  year={2018},
  doi={10.1016/j.biopsycho.2018.05.018},
  title={Neural network communication facilitates verbal working memory},
  volume={136},
  issn={0301-0511},
  journal={Biological psychology},
  pages={119--126},
  author={Kustermann, Thomas and Rockstroh, Brigitte and Miller, Gregory A and Popov, Tzvetan G.}
}
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