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Year : 2005  |  Volume : 53  |  Issue : 1  |  Page : 99--101

Decreased electroencephalogram alpha band [8-13 Hz] power in amyotrophic lateral sclerosis patients: A study of alpha activity in an awake relaxed state

1 Centre for Biomedical Engineering, Indian Institute of Technology, Delhi, Hauz Khas, New Delhi - 110 016, India
2 Department of Neurology, All India Institute of Medical Sciences, Ansari Nagar, New Delhi - 110 029, India

Correspondence Address:
Jayashree Santhosh
Centre for Biomedical Engineering, Indian Institute of Technology, Delhi, Hauz Khas, New Delhi - 110 016
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Source of Support: None, Conflict of Interest: None

DOI: 10.4103/0028-3886.15071

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An attempt was made to quantitatively analyze the alpha activity in the awake relaxed state of Amyotrophic Lateral Sclerosis (ALS) patients and was compared with normals. ALS patients showed significantly low amplitude with a corresponding alpha band (8-13 Hz) power reduction, in both hemispheres though the change was more prominent in the left hemisphere. A review of the literature revealed no studies done on alpha oscillations in ALS patients; hence the results may have important implications for the interpretation of resting state brain activities.


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Online since 20th March '04
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