Electroencephalography
Format: Paperback
ISBN13: 9785513276869
Paperback|9785513276869
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Overview
High Quality Content by WIKIPEDIA articles Electroencephalography (EEG) is the recording of electrical activity along the scalp. EEG measures voltage fluctuations resulting from ionic current flows within the neurons of the brain. In clinical contexts, EEG refers to the recording of the brain's spontaneous electrical activity over a short period of time, usually 20-40 minutes, as recorded from multiple electrodes placed on the scalp. In neurology, the main diagnostic application of EEG is in the case of epilepsy, as epileptic activity can create clear abnormalities on a standard EEG study. A secondary clinical use of EEG is in the diagnosis of coma, encephalopathies, and brain death. EEG used to be a first-line method for the diagnosis of tumors, stroke and other focal brain disorders, but this use has decreased with the advent of anatomical imaging techniques with high ( 1 mm) spatial resolution such as MRI and CT. Despite limited spatial resolution, EEG continues to be a valuable tool for research and diagnosis, especially when millisecond-range temporal resolution (not possible with CT or MRI) is required.
| ISBN-13 | 9785513276869 |
|---|---|
| ISBN-10 | 5513276860 |
| Weight | 0.51 Pounds |
| Dimensions | 8.27 x 5.83 x 0.40 In |
| List Price | $19.95 |
| Format | Paperback |
|---|---|
| Pages | 186 pages |
| Publisher | |
| Published On | 2012-04-01 |
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