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The clinical relevance of rapid eye movement sleep‐related obstructive sleep apnea (REM OSA) is supported by its associated adverse health outcomes and impact on optimal treatment strategies. To date, no assessment of REM OSA phenotyping performance has been conducted for any type of sleep testing technology. The objective of this study was to assess this for polysomnography and peripheral arterial...
Sensor networks are designed to detect events and their applicability is dependent on the likelihood of a correct detection. A network that can't detect events with a high enough probability becomes ineffective. Therefore, it can be very valuable to be able to establish which network design might yield the best detection rate. The endless possibilities in terms of sensor network designs make it difficult...
This preliminary study reports on the combined use of wireless accelerometers and wireless EMG sensors for monitoring walking patterns. The sensor data was analyzed in frequency domain through FFT, PSD and time-frequency spectrogram analysis. Accelerometer spectra was found to shift towards lower frequencies (<3 Hz) while EMG spectra of selected muscles shifted towards higher frequencies (>50...
Single-shock electrical stimulation of the big toe results in a 20ms advancement of the walking cycle, lasting for 1–2 strides, when the shock is applied in early swing. During stance there is a retardation of the cycle but of similar magnitude. However unlike the complex responses reported for electrical stimulation of the sole of the foot, toe stimulation is best described as a simple withdrawal...
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