New vistas for alpha-frequency band oscillations.

  title={New vistas for alpha-frequency band oscillations.},
  author={Satu Palva and J. Matias Palva},
  journal={Trends in neurosciences},
  volume={30 4},
The amplitude of alpha-frequency band (8-14 Hz) activity in the human electroencephalogram is suppressed by eye opening, visual stimuli and visual scanning, whereas it is enhanced during internal tasks, such as mental calculation and working memory. alpha-Frequency band oscillations have hence been thought to reflect idling or inhibition of task-irrelevant cortical areas. However, recent data on alpha-amplitude and, in particular, alpha-phase dynamics posit a direct and active role for alpha… CONTINUE READING
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