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Open Access Publications from the University of California

Alpha EEG predicts visual reaction time.

  • Author(s): Jin, Yi
  • O'Halloran, James P
  • Plon, Lawrence
  • Sandman, Curt A
  • Potkin, Steven G
  • et al.

Studies have suggested that consciousness is encoded discretely in time and synchronously in space of the brain. The present study was to model the alpha EEG as a brain clock to carry out the functions and to test whether the quality and rate of the oscillation could predict behavioral timing. Results showed that the alpha peak frequency was correlated with the conflict reaction time, and the selectivity was associated with the simple reaction time. These findings are consistent with previous reports and support the hypothesis that alpha EEG represents excitability cycles and may serves as a brain clock for spatial synchronization.

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