Visualisation method of spatial interictal discharges in temporal epilepsy patients using magneto-encephalogram.

abstract：:In this study, the shape and the configuration of smooth muscle cells (SMCs) within the arterial wall are altered to investigate their influence on molecular transport across the media layer of the thoracic aorta wall. In a 2D geometry of the media layer containing SMCs, the finite-element method has been employed to ...

journal_title：Medical & biological engineering & computing

authors： Dabagh M,Jalali P,Sarkomaa P

更新日期：2007-11-01 00:00:00

abstract：:Significant efforts were invested during the last decade to accelerate PET list-mode reconstructions, notably with GPU devices. However, the computation time per event is still relatively long, and the list-mode efficiency on the GPU is well below the histogram-mode efficiency. Since list-mode data are not arranged in...

journal_title：Medical & biological engineering & computing

authors： Nassiri MA,Carrier JF,Després P

更新日期：2015-09-01 00:00:00

abstract：:Increasing costs in healthcare have stimulated discussions on whether installation of competent in-house service groups for equipment management could eventually aid in reducing expenditure. In the Federal Republic of Germany, a four-year programme was initiated in 1979 with the purpose of investigating the feasibilit...

journal_title：Medical & biological engineering & computing

authors： Irnich W

更新日期：1989-01-01 00:00:00

abstract：:During scoliosis instrumentation surgery, it is difficult for surgeons fully to track vertebral motion in 3D, because only the posterior elements of the spine are exposed. Different intra-operative modelling approaches are evaluated using a registration technique that matches intra-operative measurements with a 3D pre...

journal_title：Medical & biological engineering & computing

authors： Mac-Thiong JM,Aubin CE,Dansereau J,de Guise JA,Brodeur P,Labelle H

更新日期：1999-07-01 00:00:00

abstract：:Electrical and mechanical stimulation of the oesophagus has been recently proposed to examine the physiological effects of autonomic stimulation in humans. Cortical evoked potentials (EPs) to oesophageal stimulation provide an assessment of afferent fibres and central processing. However, habituation takes place durin...

journal_title：Medical & biological engineering & computing

authors： Kamath MV,Tougas G,Hollerbach S,Premji R,Fitzpatrick D,Shine G,Upton AR

更新日期：1997-07-01 00:00:00

abstract：:Parkinson's disease (PD) is a neurodegenerative disease of the central nervous system that results from the degeneration of dopaminergic neurons in the substantia nigra. Abnormal gait begins in the early stage and becomes severe as the disease progresses; therefore, the assessment of gait becomes an important issue in...

journal_title：Medical & biological engineering & computing

authors： Lin SH,Chen SW,Lo YC,Lai HY,Yang CH,Chen SY,Chang YJ,Chen CH,Huang WT,Jaw FS,Chen YY,Tsang S,Liao LD

更新日期：2016-03-01 00:00:00

abstract：:Results of self-consistent analyses of cells show the possibility of temperature increases at membranes in response to a single nanosecond, high-voltage pulse, at least over small sections of the membrane. Molecular Dynamics simulations indicate that such a temperature increase could facilitate poration, which is one ...

journal_title：Medical & biological engineering & computing

authors： Song J,Joshi RP,Schoenbach KH

更新日期：2011-06-01 00:00:00

abstract：:Sealing resistance is highly significant with respect to the electrical neuron-electrode contact because it decreases the stimulation threshold of neurons cultured on a planar micro-electrode array. A method is proposed for measurement of the sealing resistance using impedance spectroscopy. The effect of the sealing r...

journal_title：Medical & biological engineering & computing

authors： Buitenweg JR,Rutten WL,Willems WP,van Nieuwkasteele JW

更新日期：1998-09-01 00:00:00

abstract：:The purpose of the present study is to analyze the prognostic factors of acute leukemia and to construct a decision model based on a causal relationship between the factors of this disease to assist medical specialists. In medical decisions, to reach effective, quick, and reliable results, there is a need for a simple...

journal_title：Medical & biological engineering & computing

authors： Jahangoshai Rezaee M,Sadatpour M,Ghanbari-Ghoushchi N,Fathi E,Alizadeh A

更新日期：2020-11-01 00:00:00

abstract：:This study analyzes the performance of knee extension and flexion of Taekwondo and Kickboxing athletes. The power values were extracted through electromyography obtained by an isokinetic dynamometer at 60 degrees per second. These values are resulted from the square of the electromyography signal. The analysis of kick...

journal_title：Medical & biological engineering & computing

authors： Machado SM,Osório RA,Silva NS,Magini M

更新日期：2010-06-01 00:00:00

abstract：:Spontaneous activity of specific regions (e.g., the Sinoatrial node, SAN) is essential for the normal activation sequence of the heart and also serve as a primary means of modulating cardiac rate by sympathetic tone and circulating catecholamines. The mechanisms of how a small SAN region can electrically drive a much ...

journal_title：Medical & biological engineering & computing

authors： Joyner RW,Wilders R,Wagner MB

更新日期：2007-02-01 00:00:00

abstract：:The complexity of the monitored data available in modern intensive care units suggests that they may be best processed, for presentation to medical staff, by expert system techniques. However, standard expert system shells are ill-fitted to either the basic sequential monitoring tasks of data acquisition and storage, ...

journal_title：Medical & biological engineering & computing

authors： Taboada JA,Arcay B,Arias JE

更新日期：1997-09-01 00:00:00

abstract：:Global field synchronization (GFS) quantifies the synchronization level of brain oscillations. The GFS method has been introduced to measure functional synchronization of EEG data in the frequency domain. GFS also detects phase interactions between EEG signals acquired from all of the electrodes. If a considerable amo...

journal_title：Medical & biological engineering & computing

authors： Özçoban MA,Tan O,Aydin S,Akan A

更新日期：2018-02-01 00:00:00

abstract：:Segmentation and classification of low-quality and noisy ultrasound images is challenging task. In this paper, a new approach is proposed for robust segmentation and classification of carotid artery ultrasound images and consequently, detecting cerebrovascular disease. The proposed technique consists of two phases, in...

journal_title：Medical & biological engineering & computing

authors： Chaudhry A,Hassan M,Khan A

更新日期：2016-12-01 00:00:00

abstract：:The aim of the study was to compare experimentally conduction velocity (CV) estimates obtained with different estimation methods based on surface electromyogram (EMG) signals detected using five spatial filters. The filters investigated were the longitudinal single and double differential, transverse single and double...

journal_title：Medical & biological engineering & computing

authors： Schulte E,Farina D,Rau G,Merletti R,Disselhorst-Klug C

更新日期：2003-05-01 00:00:00

abstract：:This paper presents a novel hybrid medical stent device. This hybrid stent device formed by fractal mesh structures provides a flow-diverting effect and stent-assisted coil embolization. Flow-diverter stents decrease blood flow into an aneurysm to prevent its rupture. In general, the mesh size of a flow-diverter stent...

journal_title：Medical & biological engineering & computing

authors： Kojima M,Irie K,Masunaga K,Sakai Y,Nakajima M,Takeuchi M,Fukuda T,Arai F,Negoro M

更新日期：2016-05-01 00:00:00

abstract：:Selective laser sintering (SLS) is a solid freeform fabrication technique, developed by Carl Deckard for his master's thesis at the University of Texas, patented in 1989. SLS manufacturing is a technique that produces physical models through a selective solidification of a variety of fine powders. SLS technology is ge...

journal_title：Medical & biological engineering & computing

authors： Mazzoli A

更新日期：2013-03-01 00:00:00

abstract：:Transcranial magnetic stimulation (TMS) allows the assessment of stroke patients' cortical excitability and corticospinal tract integrity, which provide information regarding motor function recovery. However, the extraction of features from motor-evoked potentials (MEP) elicited by TMS, such as amplitude and latency, ...

journal_title：Medical & biological engineering & computing

authors： Tecuapetla-Trejo JE,Cantillo-Negrete J,Carrillo-Mora P,Valdés-Cristerna R,Ortega-Robles E,Arias-Carrion O,Carino-Escobar RI

更新日期：2021-01-26 00:00:00

abstract：:The role of alveolar macrophages in the process of the human lung clearance is summarised. Three patterns of alveolar macrophage (AM) displacement on the surface of alveolus are distinguished depending on the loading of the surface with insoluble deposits, i.e. directional, directional with small stochastic noise and ...

journal_title：Medical & biological engineering & computing

authors： Gradoń L,Podgórski A

更新日期：1995-07-01 00:00:00

abstract：:The main constituent of an ultrasound contrast agent (UCA) is gas-filled microbubbles. An average UCA contains billions per ml. These microbubbles are excellent ultrasound scatterers due to their high compressibility. In an ultrasound field they act as resonant systems, resulting in harmonic energy in the backscattere...

journal_title：Medical & biological engineering & computing

authors： de Jong N,Emmer M,van Wamel A,Versluis M

更新日期：2009-08-01 00:00:00

abstract：:Stroke survivors are more prone to developing cognitive impairment and dementia. Dementia detection is a challenge for supporting personalized healthcare. This study analyzes the electroencephalogram (EEG) background activity of 5 vascular dementia (VaD) patients, 15 stroke-related patients with mild cognitive impairm...

journal_title：Medical & biological engineering & computing

authors： Al-Qazzaz NK,Ali SHBM,Ahmad SA,Islam MS,Escudero J

更新日期：2018-01-01 00:00:00

abstract：:Sperm morphology, as an indicator of fertility, is a critical tool in semen analysis. In this study, a smartphone-based hybrid system that fully automates the sperm morphological analysis is introduced with the aim of eliminating unwanted human factors. Proposed hybrid system consists of two progressive steps: automat...

journal_title：Medical & biological engineering & computing

authors： Ilhan HO,Sigirci IO,Serbes G,Aydin N

更新日期：2020-05-01 00:00:00

abstract：:This article compares the determination of body fat-free-mass (FFM) by impedance, using either hand-to-foot resistance (R₁₃) or foot-to-foot one (R₃₄) from comparison with dual X-ray absorptiometry (DXA) measurements in a normal population. The first goal was to see if the foot-to-foot resistance used in body fat anal...

journal_title：Medical & biological engineering & computing

authors： Bousbiat S,Jaffrin MY,Dongmo E

更新日期：2011-11-01 00:00:00

abstract：:Electroencephalography (EEG) has been widely utilized to measure the depth of anaesthesia (DOA) during operation. However, the EEG signals are usually contaminated by artifacts which have a consequence on the measured DOA accuracy. In this study, an effective and useful filtering algorithm based on multivariate empiri...

journal_title：Medical & biological engineering & computing

authors： Liu Q,Chen YF,Fan SZ,Abbod MF,Shieh JS

更新日期：2017-08-01 00:00:00

abstract：:The effect of flow direction on the morphology of cultured bovine aortic endothelial cells is studied. Fully confluent endothelial cells cultured on glass were subjected to a fluid-imposed shear stress of 2 Pa for 20 min and 24 h using a parallel plate flow chamber. Experiments on shear flow exposure were performed fo...

journal_title：Medical & biological engineering & computing

authors： Kataoka N,Ujita S,Sato M

更新日期：1998-01-01 00:00:00

abstract：:A technique is proposed that allows automatic decomposition of electromyographic (EMG) signals into their constituent motor unit action potential trains (MUAPTs). A specific iterative algorithm with a classification method using fuzzy-logic techniques was developed. The proposed classification method takes into accoun...

journal_title：Medical & biological engineering & computing

authors： Chauvet E,Fokapu O,Hogrel JY,Gamet D,Duchêne J

更新日期：2003-11-01 00:00:00

abstract：:The aim of this study was to analyse the trends of the first three power spectral moments of the mechanomyogram (MMG) signal recorded by a microphone (MMG(MIC)) and an accelerometer (MMG(ACC)) during sustained contractions. MMG signals were recorded from the biceps brachii muscle in 14 healthy male subjects during a 3...

journal_title：Medical & biological engineering & computing

authors： Madeleine P,Ge HY,Jaskólska A,Farina D,Jaskólski A,Arendt-Nielsen L

更新日期：2006-04-01 00:00:00

abstract：:On the basis of spatial covariance it is found that, by spatial filtering the localisation of a single dipole source, both parallel and perpendicular to the measurement plane (assuming a signal-noise ratio of 5:1), can be performed with an accuracy of < 0.5 mm. When the signal-noise ratio is increased to 30:1, the res...

journal_title：Medical & biological engineering & computing

authors： Wagner H,Eiselt M,Zwiener U

更新日期：1997-11-01 00:00:00

abstract：:In total hip arthroplasty, determining the impingement free range of motion requirement is a complex task. This is because in the native hip, motion is restricted by both impingement as well as soft tissue restraint. The aim of this study is to determine a range of motion benchmark which can identify motions which are...

journal_title：Medical & biological engineering & computing

authors： Turley GA,Williams MA,Wellings RM,Griffin DR

更新日期：2013-04-01 00:00:00

abstract：:A new method of stimulation of the lower extremities was devised that automatically adjusts the stimulation conditions at any angle of the knee joint. An M-wave is considered to indicate the stimulation conditions, because it is the waveform that results from direct stimulation to the axon of the alpha motor neuron. T...

journal_title：Medical & biological engineering & computing

authors： Tanabe S,Muraoka Y,Tomita Y

更新日期：2004-01-01 00:00:00