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Cited by 91Neural dynamics and brain functionCognitive Abilities and TestingNeural and Behavioral Psychology Studies

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Spectrotemporal dynamics of the EEG during working memory encoding and maintenance predicts individual behavioral capacity

Bashivan, Pouya, Bidelman, Gavin M., Yeasin, Mohammed·2014·European Journal of Neuroscience
DOI 10.1111/ejn.12749
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Abstract

We investigated the effect of memory load on encoding and maintenance of information in working memory. Electroencephalography (EEG) signals were recorded while participants performed a modified Sternberg visual memory task. Independent component analysis (ICA) was used to factorise the EEG signals into distinct temporal activations to perform spectrotemporal analysis and localisation of source activities. We found 'encoding' and 'maintenance' operations were correlated with negative and positive changes in α-band power, respectively. Transient activities were observed during encoding of information in the bilateral cuneus, precuneus, inferior parietal gyrus and fusiform gyrus, and a sustained activity in the inferior frontal gyrus. Strong correlations were also observed between changes in α-power and behavioral performance during both encoding and maintenance. Furthermore, it was also found that individuals with higher working memory capacity experienced stronger neural oscillatory responses during the encoding of visual objects into working memory. Our results suggest an interplay between two distinct neural pathways and different spatiotemporal operations during the encoding and maintenance of information which predict individual differences in working memory capacity observed at the behavioral level.

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Metadata

Authors
Bashivan, P., Bidelman, G. M., & Yeasin, M.
Affiliations
University of Memphis (US)
Corresponding author
Bashivan, Pouya
ORCID
Venue
European Journal of Neuroscience
Publisher
Wiley
Published
2014-10-07
Volume
40
Issue
12
Pages
3774-3784
ISSN
  • 0953-816X (ISSN-L)
  • 1460-9568
DOI
10.1111/ejn.12749
OpenAlex
W2135890809
Cited by
91
References
5
Citations by year
2026: 3 · 2025: 3 · 2024: 5 · 2023: 12 · 2022: 12 · 2021: 12 · 2020: 10 · 2019: 8 · 2018: 8 · 2017: 9 · 2016: 4 · 2015: 3 · 2014: 1
FWCI
3.16
Type
journal article
Language
en
Open access
closed
Licence
onlinelibrary.wiley.com/termsAndConditions#vor (vor)
Locations
  • European Journal of Neuroscience (publishedVersion)
  • PubMed (publishedVersion)
Funders
  • Electrical and Computer Engineering Department
  • NSF (NSF-IIS-0746790)
Topics
  • Life Sciences › Neuroscience › Cognitive Neuroscience › Neural dynamics and brain function
  • Social Sciences › Psychology › Experimental and Cognitive Psychology › Cognitive Abilities and Testing
  • Life Sciences › Neuroscience › Cognitive Neuroscience › Neural and Behavioral Psychology Studies
Keywords
working memory, memory encoding, memory maintenance, memory load, individual differences, working memory capacity, alpha power, source localization, visual object memory, Sternberg task, cuneus, precuneus, inferior parietal gyrus, fusiform gyrus, inferior frontal gyrus, neural oscillations
MeSH terms
Adult, Alpha Rhythm, Brain, Brain Mapping, Electroencephalography, Female, Humans, Male, Memory, Short-Term, Neuropsychological Tests, Pattern Recognition, Visual, Photic Stimulation, Young Adult

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CoChat. (2026). Citation check: Spectrotemporal dynamics of the EEG during working memory encoding and maintenance predicts individual behavioral capacity. https://app.cochat.ai/papers/10.1111/ejn.12749
The paper
Bashivan, P., Bidelman, G. M., & Yeasin, M. (2014). Spectrotemporal dynamics of the EEG during working memory encoding and maintenance predicts individual behavioral capacity. European Journal of Neuroscience. https://doi.org/10.1111/ejn.12749