Alpha wave

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Alpha wave
Variations:
Category: Alpha wave
Parents:

Electroencephalography

Children:

Alpha suppression
Alpha asymmetry

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Alpha wave is brain signals in the frequency range around 10 Hz (approximately 8-12 Hz) seen in electroencephalography.

When it appears in around the central sulcus it is most often referred to as "mu wave" and in the older literature "rythme en arceau".

The strength of the alpha wave may vary between individuals.[1] A summary of the study The significance of individual differences in the Berger rhythm appear in British Journal of Psychiatry: "The alpha wave are not affected by time of day, spacing of the trials, mood, degree of tiredness, physical type of subject, sex, intelligence or type of memory".[2]

[edit] Papers

  1. Life-span changes in EEG spectral amplitude, amplitude variability and mean frequency
  2. Machine learning for real-time single-trial EEG-analysis: from brain-computer interfacing to mental state monitoring
  3. Person identification based on parametric processing of the EEG
  4. The possible meaning of the upper and lower alpha frequency ranges for cognitive and creative tasks
  5. Task-related coherence and task-related spectral power changes during sequential finger movements

[edit] Intelligence

Power:

  1. Differences in EEG alpha activity related to giftedness
  2. Intelligence related differences in EEG-bandpower
  3. The significance of individual differences in the Berger rhythm

Frequency:

  1. EEG Alpha rhythm frequency and intelligence in normal adults

[edit] References

  1. The significance of individual differences in the Berger rhythm
  2. http://bjp.rcpsych.org/content/84/349/413.3.short
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