Postural instability is one of the major symptoms Parkinson’s disease. Here, we assimilated a model intermittent delay feedback control during quiet standing into postural sway data from healthy young and elderly individuals as well patients with disease to elucidate possible mechanisms instability. Specifically, estimated joint probability distribution set parameters in using Bayesian parameter inference such that inferred can best-fit for each individual. It was expected values three...

We propose a mechanism to trap massive vector fields as photon on the Randall-Sundrum brane embedded in five dimensional AdS space. This localization-mechanism of is realized by considering action, which quadratic potential bulk-vector added. also point out that this gives several constraints fluctuations bulk

Abstract Gait cycle variability during steady walking, described by the stride interval time series, has been used as a gait-stability-related measure. In particular, positive persistency in intervals with 1/ f -like fluctuation and reduction of are well-documented metrics that can characterize gait patterns healthy young adults elderly including patients neurological diseases, respectively. Here, we examined effects dual task on adults, based mean standard deviation statistics well walking...

$N=2$ supersymmetric Yang-Mills theory with flavor hypermultiplets at finite temperature and in the ${\mathrm{dS}}_{4}$ space is studied for quark number density (${n}_{b}$) by a dual supergravity background nontrivial dilaton axion. The quarks their ${n}_{b}$ are introduced embedding probe D7 brane. We find critical value of chemical potential limit ${n}_{b}=0$, it coincides effective mass given each ${n}_{b}=0$. At this point, transition configurations occurs between two typical ones....

Postural sway during quiet stance often exhibits a repetition of micro-fall and the subsequent micro-recovery. The classical view -that bipedal is stabilized by ankle joint stiffness- has been challenged paradoxical non-spring-like behaviors calf muscles: gastrocnemius muscles are shortened then lengthened, respectively, Here, we examined EEG based brain activity stance, identified desynchronization synchronization beta oscillations that were associated, with Based on widely accepted...

Movement related beta band cortical oscillations, including rebound after execution and/or suppression of movement, have drawn attention in upper extremity motor control literature. However, fewer studies focused on oscillations during postural upright stance. In this preliminary study, we examined and other components electroencephalogram (EEG) activity perturbed stance to investigate supraspinal contributions stabilization. Particularly, aimed clarify the timing duration within a...

Meson spectra given as fluctuations of a D7-brane are studied under the background driven by dilaton. This leads to dual gauge theory with quark confinement due condensate. We find that effect condensate on meson spectrum is essential in order make realistic hadron non-supersymmetric case. In supersymmetric case, however, only scalars affected, but they changed an opposite way compared

The echo state property, which is related to the dynamics of a neural network excited by input driving signals, one well-known fundamental properties recurrent networks. During state, reveals an internal memory function that enables it remember past inputs. Due will asymptotically update its condition from initial and expected exhibit temporally nonlinear input/output. As physical network, we fabricated quantum-dot driven sequential optical-pulse inputs corresponding outputs, random...

Yang-Mills (YM) theory with flavor quarks in the ${\mathrm{dS}}_{4}$ is studied through dual supergravity ${\mathrm{AdS}}_{5}\ifmmode\times\else\texttimes\fi{}{S}^{5}$ background nontrivial dilaton and axion. The are introduced by embedding a probe D7 brane. We find that dynamical properties of YM similar to case finite temperature given 5d AdS-Schwarzschild background. In ${\mathrm{dS}}_{4}$, however, contrary case, gauge-field condensate plays an important role on quarks. also give...

We study baryons in $SU(N)$ gauge theories at finite temperature according to the gauge/string correspondence based on IIB string theory. The baryon is constructed out of D5-brane and $N$ fundamental strings form a color singlet $N$-quark bound state. At deconfining phase, we could find $k(<N)$-quark baryons. Thermal properties such $k$-quark also are examined. dependence screening distance Debye length $k$ quark quark. estimate melting temperature, where decay into quarks gluons completely.

Background: Totally implantable central venous access ports, are required for various purposes, ranging from chemotherapy to nutrition. Port infection is a common complication. In many patients with port infection, the ports removed because antibiotics ineffective. We evaluated risk factors associated removal due infection. Methods: By retrospective chart review, we collected data of 223 who underwent any reason. was defined as symptoms, such fever; elevated white blood cell counts or...

Abstract The stabilization of human quiet stance is achieved by a combination the intrinsic elastic properties ankle muscles and an active closed-loop activation muscles, driven delayed feedback ongoing sway angle corresponding angular velocity in way proportional (P) derivative (D) controller. It has been shown that component process likely to operate intermittent manner rather than as continuous controller: switching policy defined phase-plane, which divided dangerous safe regions,...

The nonperturbative properties of gauge theories in ${\mathrm{AdS}}_{4}$ are studied dual supergravity by including light flavor quarks, which introduced a D7-brane embedding. Contrary to the Minkowski and ${\mathrm{dS}}_{4}$, dilaton does not play any important dynamical role case, characteristic like quark confinement chiral symmetry breaking realized mainly due geometry ${\mathrm{AdS}}_{4}$. possible hadron spectra also examined, we find that meson well described formula given field...

N = 2 supersymmetric Yang-Mills theory with flavor hypermultiplets at finite temperature is studied for quark number density (n b ) by a dual supergravity background nontrivial dilaton and axion. The quarks their n are introduced embeddings probe D7 brane. We find critical value of the chemical potential limit 0, it coincides effective mass 0. At this point, transition embedding configurations occurs between two typical ones. phase diagrams shown in plane versus temperature. In transition,...

According to the AdS/CFT correspondence, $\mathcal{N}=4$ supersymmetric Yang-Mills (SYM) theory has been studied by solving dual supergravity. In bulk Einstein equation, we find that it could be related 4D Friedmann which is solved using cosmological constant and energy density of matter on boundary, they are dynamically decoupled from SYM theory. We call this combination equations equation as holographic equations. Solving equations, shown how control dynamical properties theory, quark...

The thermal expansion and temperature dependence of electrical resistivity were measured for EuNi 2 (Si 1- x Ge ) , which shows a valence transition against in 0.5≤ ≤0.82. A first-order phase was observed the lattice parameters =0.79 0.82, while vary continuously with ≤0.70. peak at temperature. origin is discussed on basis dynamic alloy model.

A buffer technique that initially alternates supply of ammonia (IASA) is employed for AlN film growth on sapphire substrate by metalorganic chemical vapor deposition (MOCVD). Atomic force microscopy (AFM) study reveals step-flow-like morphology achieved the with root-mean-square (rms) roughness as small 0.336 nm. In contrast, surface thick grown directly shows rough grainy feature a large rms value 28.9 The mechanism leading to superior introducing IASA process investigated using...

As the demand for advanced packaging is growing, organic multi-chip package, a combination of interposer and substrate have attracted increasing attention in realizing further advancements electronic devices with higher densities more functions. The semi-additive process (SAP) method has been developed Cu wiring blind via substrate. To make fine below 5 μm, sputtering Ti/Cu studied. While opening 50 μm diameter, laser problem. Photosensitive materials having great mechanical strength heat...

Photoelectrochemical water splitting is a promising way for hydrogen production with low environmental burden. Although III-nitride semiconductors have potentially favorable properties as photoelectrodes, they several limitations practical use currently. In this study, the concept of polarization-engineered nitride photocathode proposed to overcome problem. We observed that GaN/AlN/GaN structure worked even though it consisted only n-type semiconductors. This showed remarkably stable and...

We report the investigation of mesophase transformations a liquid crystalline molecule with terminal epoxy groups from initial stages curing diamine compound. The ordered arrangement molecules within smectic layers in thermoset formed at end process was characterized by synchrotron radiation–wide-angle X-ray diffraction (SR-WAXD). Data this experiment helps us understand phase transitions nematic to phases epoxies.