Results 51 to 60 of about 140,946 (282)

Hyperactivity and motoric activity in ADHD: Characterization, assessment, and intervention

open access: yesFrontiers in Psychiatry, 2014
The aim of the present literature review is threefold. (1) We will review theories, models, and studies on symptomatic hyperactivity and motoric activity in ADHD.
Caterina eGawrilow   +4 more
doaj   +1 more source

Inertial Control of the VIRGO Superattenuator

open access: yes, 1999
The VIRGO superattenuator (SA) is effective in depressing the seismic noise below the thermal noise level above 4 Hz. On the other hand, the residual mirror motion associated to the SA normal modes can saturate the dynamics of the interferometer locking ...
Losurdo, Giovanni
core   +1 more source

Compensation of Magnetic Disturbances Improves Inertial and Magnetic Sensing of Human Body Segment Orientation [PDF]

open access: yes, 2005
This paper describes a complementary Kalman filter design to estimate orientation of human body segments by fusing gyroscope, accelerometer, and magnetometer signals from miniature sensors. Ferromagnetic materials or other magnetic fields near the sensor
Baten, Chris T.M.   +3 more
core   +3 more sources

Contact Lens with Moiré Patterns for High‐Precision Eye Tracking

open access: yesAdvanced Functional Materials, EarlyView.
This work presents a passive contact lens for high‐precision eye tracking, integrating a microscopic moiré grating label. The parallax‐induced shift of macroscopic moiré patterns enables angle measurement with 0.28° precision using a standard camera under ambient light.
Ilia M. Fradkin   +11 more
wiley   +1 more source

Variability of Objectively Measured Sedentary Behavior

open access: yes, 2016
The primary purpose of this study was to evaluate variability of sedentary behavior (SB) throughout a 7-d measurement period and to determine if G7 d of SB measurement would be comparable with the typical 7-d measurement period.
Donaldson, Seth C.   +3 more
core   +1 more source

Advanced Design for Weakly Coupled Resonators by Automatic Active Optimization

open access: yesAdvanced Materials Technologies, EarlyView.
An Automatic Active Optimization (AAO) strategy integrates machine learning predictors and genetic algorithms in a closed‐loop workflow. By iteratively expanding its dataset with new discoveries, AAO overcomes the limits of conventional methods. This approach finds superior microstructural designs beyond the initial sample space. We demonstrate this on
Wei Yue   +8 more
wiley   +1 more source

Note: "Lock-in accelerometry" to follow sink dynamics in shaken granular matter [PDF]

open access: yes, 2014
Understanding the penetration dynamics of intruders in granular beds is relevant not only for fundamental Physics, but also for geophysical processes and construction on sediments or granular soils in areas potentially affected by earthquakes.
A. J. Batista-Leyva   +9 more
core   +4 more sources

Respiratory Signal Processing and Analysis Using Flexible Capacitive Sensor Data

open access: yesAdvanced Materials Technologies, EarlyView.
Capacitive pressure sensors based on poly(glycerol sebacate) (PGS) substrates are developed for continuous, non‐invasive respiratory monitoring. Integrated with a signal processing algorithm, they enable accurate tracking of thoracic expansion and retraction.
Bernardo A. Vicente   +3 more
wiley   +1 more source

GMAC—A Simple Measure to Quantify Upper Limb Use From Wrist-Worn Accelerometers

open access: yesIEEE Transactions on Neural Systems and Rehabilitation Engineering
Various measures have been proposed to quantify upper-limb use through wrist-worn inertial measurement units. The two most popular traditional measures of upper-limb use – thresholded activity counts (TAC) and the gross movement (GM) score suffer ...
Sivakumar Balasubramanian
doaj   +1 more source

Effect of a moderate-intensity demonstration walk on accuracy of physical activity self-report. [PDF]

open access: yes, 2017
Background/Objective:Providing a demonstration of a 10-minute bout of moderate-to-vigorous intensity physical activity (MVPA) immediately prior to subjective reporting of MVPA could influence self-reported activity by calibrating both duration and ...
Carr, Lucas J   +3 more
core   +2 more sources

Home - About - Disclaimer - Privacy