EEG Microstate Correlates of Fluid Intelligence and Response to Cognitive Training

Research output: Contribution to journalArticle

17 Citations (Scopus)

Abstract

The neurobiological correlates of human fluid intelligence (Gf) remain elusive. Here, we demonstrate that spatiotemporal dynamics of EEG activity correlate with baseline measures of Gf and with its modulation by cognitive training. EEG dynamics were assessed in 74 healthy participants by examination of fast-changing, recurring, topographically-defined electric patterns termed “microstates”, which characterize the electrophysiological activity of distributed cortical networks. We find that the frequency of appearance of specific brain topographies, spatially associated with visual (microstate B) and executive control (microstate C) networks, respectively, is inversely related to Gf scores. Moreover, changes in Gf scores with cognitive training are inversely correlated with changes in microstate properties, indicating that the changes in brain network dynamics are behaviorally relevant. Finally, we find that cognitive training that increases Gf scores results in a posterior shift in the topography of microstate C. These results highlight the role of fast-changing brain electrical states in individual variability in Gf and in the response to cognitive training.

Original languageEnglish
Pages (from-to)502-520
Number of pages19
JournalBrain Topography
Volume30
Issue number4
Early online date10 May 2017
DOIs
Publication statusPublished - Jul 2017

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Intelligence
Electroencephalography
Brain
Executive Function
Healthy Volunteers

Keywords

  • Abstract reasoning
  • Cognitive training
  • EEG
  • Fluid intelligence
  • Microstates

Cite this

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title = "EEG Microstate Correlates of Fluid Intelligence and Response to Cognitive Training",
abstract = "The neurobiological correlates of human fluid intelligence (Gf) remain elusive. Here, we demonstrate that spatiotemporal dynamics of EEG activity correlate with baseline measures of Gf and with its modulation by cognitive training. EEG dynamics were assessed in 74 healthy participants by examination of fast-changing, recurring, topographically-defined electric patterns termed “microstates”, which characterize the electrophysiological activity of distributed cortical networks. We find that the frequency of appearance of specific brain topographies, spatially associated with visual (microstate B) and executive control (microstate C) networks, respectively, is inversely related to Gf scores. Moreover, changes in Gf scores with cognitive training are inversely correlated with changes in microstate properties, indicating that the changes in brain network dynamics are behaviorally relevant. Finally, we find that cognitive training that increases Gf scores results in a posterior shift in the topography of microstate C. These results highlight the role of fast-changing brain electrical states in individual variability in Gf and in the response to cognitive training.",
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EEG Microstate Correlates of Fluid Intelligence and Response to Cognitive Training. /.

In: Brain Topography, Vol. 30, No. 4, 07.2017, p. 502-520.

Research output: Contribution to journalArticle

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AU - Santarnecchi, Emiliano

AU - Khanna, Arjun R.

AU - Musaeus, Christian S.

AU - Benwell, Christopher S.Y.

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AU - Matham, Santosh

AU - Pascual-Leone, Alvaro

AU - Shafi, Mouhsin M.

AU - Connor, Ann

AU - Plessow, Franziska

AU - Almquist, Jessamy

AU - Dillard, Michael

AU - Orhan, Umut

AU - Mathan, Santosh

AU - McKanna, James

AU - Erdogmus, Deniz

AU - Pavel, Misha

AU - Brem, Anna Katharine

AU - Kadosh, Roi Cohen

AU - Yeung, Nick

AU - Kimball, Garrett

AU - Myers, Eben

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