alpha rhythm


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Related to alpha rhythm: beta rhythm
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  • noun

Synonyms for alpha rhythm

the normal brainwave in the electroencephalogram of a person who is awake but relaxed

References in periodicals archive ?
Walking motor imagery category was the only one where the negative correlation between-group differences of the two cingulate motor area strengths reach statistical significance in half of the studied cases, those of early alpha rhythm walking networks (p = 0.002) and of late beta walking networks (p = 0.006).
When the eyes were closed, the alpha rhythm was recorded in both right and left occipital areas (T301, C301, T402, and C4 02 channels) with average frequency of 9.9 [+ or -] 1.6 Hz (n = 9).
In the present work, at the EEG registration, alpha rhythm was given attention, which normally is the most stable electrophysiological signal.
In this figure, changes can be noted in the delta, theta and alpha rhythms. However, the beta rhythm was not modified.
This type of single cortical column model with altered parameters is able to generate realistic patterns such as alpha rhythms and epileptiform spikes in EEG.
Based on the above description, the most interesting and hopefully revealing are delta and theta rhythms, which have already been correlated with different brain disorders, and alpha rhythm, because it represents the awake state that is most easily measured without distractions (subject is relaxed without mental activity).
EER registration was carried out during the period awakening between seizures in the condition of passive awakening and in 54% of cases dominant activity was presented by slow alpha rhythm 7-8-9 GC, 21%-teta-rhythm 5-6 GC, 18%-alpha rhythm 10-12GC, in 7% of cases-by alpha-beta rhythm 12-14 GC.
However, the abnormal alpha rhythm could reflect a state of alertness during nocturnal sleep that would determine the subjective feeling of nonrestorative sleep.
In the first module, "cortical functioning," performed assessments on the basis of alpha-wave characteristics, including, nature of alpha rhythm, alpha-rhythm frequency, amplitude, topography, amplitude asymmetry, and changes in alpha waves in response to the provocative tests (see Table 1).
Kennedy argued that the EEG alpha rhythm is not a result of cellular activity but rather is an artifact due to the gross physical properties of materials from which the recordings are made (i.e., brain and skull).
l l l l l l PAUL CARBERRY , taken to hospital after suffering a fall on Alpha Rhythm at Kilbeggan on Saturday evening, will not resume until Saturday.
The alpha rhythm is mainly generated in the visual cortex occuring in the frequency range of 8-13 Hz.
An EEG recorded from the occipital cortex features a very distinct waveform known as the alpha rhythm, which has a frequency of 8 to 13 cycles per second.
Noel Meade's course and distance winner Alpha Rhythm is an obvious danger while I also respect the chance of wide margin Clonmel winner Loss Of Faith.