2021
DOI: 10.3389/fneur.2021.680011
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Wearable Devices for Assessment of Tremor

Abstract: Tremor is an impairing symptom associated with several neurological diseases. Some of such diseases are neurodegenerative, and tremor characterization may be of help in differential diagnosis. To date, electromyography (EMG) is the gold standard for the analysis and diagnosis of tremors. In the last decade, however, several studies have been conducted for the validation of different techniques and new, non-invasive, portable, or even wearable devices have been recently proposed as complementary tools to EMG fo… Show more

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Cited by 32 publications
(12 citation statements)
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“…35,83 Recording Device Today capacitive microelectromechanical accelerometers-measuring translational accelerationare most widely used. 84,85 To adequately capture the entire dynamics of the tremor signal, the device sampling rate, frequency range, and sensitivity have to be optimized for the respective signal. Most modern digital transducers have their own built-in A/D (analog-to-digital) converter or use pulse-width modulation to estimate the width of the pulse generated proportional to the physical quantity being measured.…”
Section: Methodsmentioning
confidence: 99%
See 1 more Smart Citation
“…35,83 Recording Device Today capacitive microelectromechanical accelerometers-measuring translational accelerationare most widely used. 84,85 To adequately capture the entire dynamics of the tremor signal, the device sampling rate, frequency range, and sensitivity have to be optimized for the respective signal. Most modern digital transducers have their own built-in A/D (analog-to-digital) converter or use pulse-width modulation to estimate the width of the pulse generated proportional to the physical quantity being measured.…”
Section: Methodsmentioning
confidence: 99%
“…Today capacitive microelectromechanical accelerometers—measuring translational acceleration—are most widely used 84,85 . To adequately capture the entire dynamics of the tremor signal, the device sampling rate, frequency range, and sensitivity have to be optimized for the respective signal.…”
Section: Data Collectionmentioning
confidence: 99%
“…3A) have been validated against clinical gold standards (Fig. 3B), and have been used to quantify severity of upper limb motor symptoms in task-based assessments, evaluate efficacy of treatments, and monitor tremor fluctuations longitudinally in free-living environments [54,56,[58][59][60]72,[75][76][77][78][79][80][81][82][83]. The precision and sensitivity of IMU measurements can allow for detection of changes in tremor severity at a finer resolution than clinical scales allow, but can also introduce measurement noise [83].…”
Section: Tremor Assessmentmentioning
confidence: 99%
“…In addition to bio-recognition from bodily fluids, the variety and extended functionality of transducing mechanisms allow for the extraction of vital signs such as basal body temperature (BTT), heart and respiratory rates, systolic and diastolic pressures, and even tremors. When combined with the readout electronics, the output signal from the transducers can be traced, analyzed, and recorded to evaluate the health-related quality of life (HRQOL) [ 5 , 14 , 15 , 16 , 17 ]. In today’s world, the maintenance of HRQOL is raising concern in society, which increases the demand for wearable biosensors monitoring vital processes.…”
Section: Introductionmentioning
confidence: 99%