GLOSSARY ENTRY (DERIVED FROM QUESTION BELOW) | ||||||
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11:13 Mar 7, 2016 |
Spanish to English translations [PRO] Medical - Medical (general) / Sleep study | |||||||
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| Selected response from: Anne Schulz Germany Local time: 07:34 | ||||||
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Discussion entries: 4 | |
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increase in the gamma ... frequencies Explanation: As it says on the tin :-) https://books.google.ie/books?id=szECZPz7FvcC&pg=PA3 |
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Increase in the gamma fractions...of the spectrogram Explanation: Pienso que se está hablando de un análisis de sangre y no de la radiación. Si eso es el caso, entonces fracciones gamma se refería a fracciones sanguíneas o proteínas en la sangre. Reference: http://www.m.webmd.com/a-to-z-guides/serum-protein-electroph... Reference: http://www.aafp.org/afp/2005/0101/p105.html |
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spectrogram showing increased gamma,... bands Explanation: or "relative increase of..." if you consider fracciones as fractions in a mathematical sense (percentages). However, I think it is actually more like segments on the curve than percentages of the whole wave 'energy'. This would be covered by the term "bands". |
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increased activity in the gamma (wave) bands ... of the spectrogram Explanation: The text is possibly referring to increased activity in these bands (gamma and beta waves) at points during sleep, which might be an indicator of wakefulness as a result of the snoring. Stage 1 (NREM1 or N1) is the stage between wakefulness and sleep, sometimes referred to as somnolence or drowsy sleep, in which the muscles are still quite active and the eyes roll around slowly and may open and close from time to time. In more scientific terms, stage 1 is the period of transition from relatively unsynchronized beta and gamma brain waves (with a frequency of 12-30 Hz and 25-100 Hz respectively), which is the normal range for the awake state... http://www.howsleepworks.com/types_nonrem.html Generally speaking, the deeper the level of sleep, the slower, stronger and more synchronized the brain waves become, so that a sleep cycle can also be thought of as a progression from the beta and gamma waves of wakefulness, through alpha and theta waves, to the delta waves of slow-wave sleep (and back again). Also, the deeper the level of sleep in the cycle, the higher the arousal threshold, so that it is quite difficult to wake someone in stage 3 sleep, but relatively easy in stage 1 or REM sleep. http://www.howsleepworks.com/types_cycles.html For the IN-phase pattern, however, a broad-band extension of activities in the gamma band can be identified as consequence of the overlapping, after averaging, of multiple oscillatory bursts appearing in different frequency bands across the whole gamma range from 30 to 120 Hz http://journals.plos.org/plosone/article?id=10.1371/journal.... |
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