EMG


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EMG (Electromyogram)

(dreams)

The human body is an electrochemical organism, although the electrical activities of the body are relatively weak. Nevertheless, a variety of different human electrical activities can be measured through electrodes taped to the skin or scalp. In scientific sleep and dream research, the most important measurements are EEGs (electroencephalograms), which are measurements of brain wave activity, and EOGs (electrooculograms), which measure eye movements distinguishing between rapid eye movement (REM) and non-REM sleep. A third measurement usually taken along with an EEG and EOG is an EMG (electromyogram), a measure of muscle tone in the neck that is typically made through electrodes attached to the chin. The EMG helps researchers identify periods of head movement that may interfere with EEG and EOG readings, and is also a secondary indicator of REM periods (because muscular activity is at a standstill during REM sleep).

References in periodicals archive ?
Based at Abbeywoods Business Park in Durham, EMG was set up in 2014 by Emma Gaudern, and has since grown significantly, now employing 20 staff working across a wide range of areas of law.
Figure 3 displays a sample bicep EMG signal response using the Biopac instrumentation systems wherein four signal data were generated for 16 seconds.
The tonic and phasic chin EMG activity was quantified manually in each patient.
EMG sinal is accquired using the designed EMG amplifier board (20-500Hz) and is digitized using PIC microcontroller.
The probability that the patient with headache had a pathologic and normal EMG blink reflex was 58% and 42%, respectively.
It's very exciting to be able to bring my 25 years of expertise to a company as dynamic and forward-thinking as EMG," said Jane.
Thus, this study compared EMG activity and load during 15RM in the bench press and free squat on SSs and USs.
Through this transaction EMG fully acquires Netco Sports.
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CCE kicks off the New Year by focusing on the brand and image of EMG TV Network through revamping and developing the website, blog and social media networking site infrastructures for effective online visibility.
Additionally, the IPO of EMG is a milestone for the development of the UAE capital markets as, for the first time, it combines institutional and retail shareholders in the same offering .
Mohamed Alabbar, chairman of Emaar Properties, said the proposed IPO of EMG is a significant strategic step for Emaar Properties, allowing its shareholders to realise value from the Malls business, while continuing to allow EMG to benefit from the development expertise and significant land bank of one of the largest developers globally.