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Alterations in Resting-State Activity Relate to Performance in a Verbal Recognition Task

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  • Rocío A López Zunini
  • Jean-Philippe Thivierge
  • Shanna Kousaie
  • Christine Sheppard
  • Vanessa Taler

Abstract

In the brain, resting-state activity refers to non-random patterns of intrinsic activity occurring when participants are not actively engaged in a task. We monitored resting-state activity using electroencephalogram (EEG) both before and after a verbal recognition task. We show a strong positive correlation between accuracy in verbal recognition and pre-task resting-state alpha power at posterior sites. We further characterized this effect by examining resting-state post-task activity. We found marked alterations in resting-state alpha power when comparing pre- and post-task periods, with more pronounced alterations in participants that attained higher task accuracy. These findings support a dynamical view of cognitive processes where patterns of ongoing brain activity can facilitate –or interfere– with optimal task performance.

Suggested Citation

  • Rocío A López Zunini & Jean-Philippe Thivierge & Shanna Kousaie & Christine Sheppard & Vanessa Taler, 2013. "Alterations in Resting-State Activity Relate to Performance in a Verbal Recognition Task," PLOS ONE, Public Library of Science, vol. 8(6), pages 1-8, June.
    • Handle: RePEc:plo:pone00:0065608
    DOI: 10.1371/journal.pone.0065608
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