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Bittner Daniel M DM Otto-von-Guericke University Magdeburg, Department of Neurology, Magdeburg, - - 2014
It was investigated whether alterations of the pupil's light reflex might reflect Alzheimer's disease (AD) pathology. Changes in the pupil's system might be expected due to AD pathology present in the oculomotor system of the Edinger-Westphal nucleus, and a cholinergic deficit caused by degeneration of the nucleus basalis Meynert. A ...
Wang Benchi B Department of Education, Zhejiang Normal University, China; Center for Cognition and Brain Disorders, Hangzhou Normal University, China; Zhejiang Key Laboratory for Brain and Cognitive Disorder Assessment, - - 2014
Inhibition of return (IOR) commonly refers to the effect of prolonged response times to targets at previously attended locations. It is a well-documented fact that IOR is not restricted to previously attended locations, but rather has a spatial gradient. Based on a myriad of manual/saccadic dissociations, many researchers now believe ...
Stiffler Mikel R MR *Wisconsin Injury in Sport Laboratory, Department of Kinesiology, University of Wisconsin-Madison, Madison, Wisconsin; and †Department of Orthopedics and Rehabilitation, University of Wisconsin-Madison, Madison, - - 2014
To determine range of motion (ROM), postural alignment, and dynamic motion differences between those with and without medial knee displacement (MKD) during the overhead squat (OHS). We hypothesized those with MKD would have restricted ROM, differing postural alignment, and poorer quality dynamic motion than those without MKD. Observational. University Research ...
Ruxton Graeme G University of St Andrews, United Kingdom - - 2014
Powered flight has evolved three times in the vertebrates: in the birds, the bats and the extinct pterosaurs. The largest bats ever known are at least an order of magnitude smaller than the largest members of the other two groups. Recently it was argued that different scaling of wingbeat frequencies ...
Shibukawa Atsushi - - 2014
In a conventional digital phase conjugation system, only the phase of an input light is time-reversed. This deteriorates phase conjugation fidelity and restricts application fields to specific cases only when the input light has uniformly-distributed scattered wavefront. To overcome these difficulties, we present a digital phase conjugate mirror based on ...
Terai Tomoya T Department of Orthopedic Surgery, Tokushima Prefecture Naruto Hospital, 32 Kotani Kurosaki Muya-cho Naruto, Tokushima, 772-8503, Japan, - - 2014
Spinal orthoses are implemented to restrict lumbar motion. Several studies have compared the effectiveness of various types of lumbar orthoses on restricting motion, but none have compared the effect of different back supports on restricting extension. This study sought to evaluate the effectiveness of three types of lumbar orthosis in ...
Vettenburg Tom T School of Physics and Astronomy, University of St Andrews, St Andrews, - - 2014
Light-sheet microscopy facilitates rapid, high-contrast, volumetric imaging with minimal sample exposure. However, the rapid divergence of a traditional Gaussian light sheet restricts the field of view (FOV) that provides innate subcellular resolution. We show that the Airy beam innately yields high contrast and resolution up to a tenfold larger FOV. ...
Wang Hanjie H Institute of Nanobiotechnology, School of Materials Science and Engineering, Tianjin University and Tianjin Key Laboratory of Composites and Functional Materials, Tianjin 300072, People's Republic of - - 2014
To date, the application of photodynamic therapy in deep tissue has been severely restricted by the limited penetration depth of excitation light, such as UV light and visible light. In this work, a protocol of upconverting crystal/dextran-g-DOPE nanocomplex (UCN/dextran-g-DOPE) was developed. The nanocomplex was assembled from the hydrophobic upconverting nanoparticle ...
Ota S S Department of Rehabilitation and Care, Seijoh University, Tokai 476-8588, Japan. Electronic address: - - 2014
Restrictions in range of ankle dorsiflexion (DF) motion can persist following ankle injuries. Ankle DF is necessary during terminal stance of gait, and its restricted range may affect knee joint kinematics and kinetics. The purpose of this study was to investigate the acute influence of varied levels of restricted ankle ...
Perez Ronen R Department of Otolaryngology and Head and Neck Surgery, Shaare Zedek Medical Center, POB 3235, 91031, Jerusalem, Israel, - - 2014
Clinical conditions have been described in which one of the two cochlear windows is immobile (otosclerosis) or absent (round window atresia), but nevertheless bone conduction (BC) thresholds are relatively unaffected. To clarify this apparent paradox, experimental manipulations which would severely impede several of the classical osseous mechanisms of BC were ...
Kane David D Vision Science Program, University of California, Berkeley, California 94720; and Graduate Program in Bioengineering, University of California, Berkeley, California 94720 and University of California, San Francisco, California - - 2014
To encode binocular disparity, the visual system determines the image patches in one eye that yield the highest correlation with patches in the other eye. The computation of interocular correlation occurs after spatiotemporal filtering of monocular signals, which leads to restrictions on disparity variations that can support depth perception. We ...
Ziccardi Lucia L G. B. Bietti Foundation, Istituto di Ricovero e Cura a Carattere Scientifico (IRCCS), 00198, Rome, Italy, - - 2014
Light-activated movement of transducin-α (Gαt1) from rod photoreceptor outer segments (ROS) into inner segments (IS) enables rods to rapidly adapt to changes in light intensity. The threshold light intensity at which Gαt1 translocates from ROS into IS is primarily determined by the rates of activation and inactivation of Gαt1. Loss- ...
Nilforoushzadeh Mohammad Ali MA Skin and Stem Cell Research Center, Department of Dermatology, Tehran University of Medical Sciences, Tehran, Iran, Skin Diseases and Leishmaniasis Research Center, Department of Dermatology, Isfahan University of Medical Sciences, Isfahan, - - 2014
Wound healing is a complex process and has been an ongoing challenge all over the world. Some studies have suggested light cure as a modality to accelerate wound repair. It can induce fibroblast proliferation, increase collagen synthesis and activate cellular processes involved in expression of procollagen type I and III ...
Omi Rei R Biomechanics Laboratory, Department of Orthopedic Surgery, Mayo Clinic, Rochester, Minnesota, - - 2013
The purpose of this in vitro biomechanical study was to assess the effects of the remplissage procedure for small- and large-sized Hill-Sachs lesions (HSLs) on shoulder range of motion (ROM) with a special interest in the apprehension position. HSLs of 50% and 100% of the glenoid width were simulated in 7 ...
Richards Anne - - 2013
An adaptation paradigm was used to investigate the influence of a previously experienced visual context on the interpretation of ambiguous emotional expressions. Affective classification of fear-neutral ambiguous expressions was performed following repeated exposure to either fearful or neutral faces. There was a shift in the behavioral classification of morphs toward ...
Mok Nicola W - - 2013
Repeated measures design. This study examined recovery of postural equilibrium (centre of pressure (COP) excursion, time to recover balance, and the number of postural adjustments) following unexpected support surface perturbation in healthy participants with and without a rigid lumbar corset to reduce lumbar motion. Lumbar spine movement is thought to ...
de Souza Campos Cesar C - - 2013
Repeated measures experiment. Traumatic injuries and certain other diseases of the hand typically affect mobility of the finger joints. Decreased mobility may alter grip force control while one is grasping and lifting objects. However, the effect of finger joint hypomobility on grip force control has not yet been systematically investigated. ...
Nykaza Edward T - - 2013
Military installations typically rely on noise complaints to indicate adverse noise environments and often restrict the firing of certain weapons to reduce the number of noise complaints. Using complaints in this manner may also imply that the absence of complaints is an indicator of low community annoyance. The relationship between ...
Klingenstein Gregory G - - 2013
Newer arthroplasty designs claim to provide superior range of motion (ROM) and greater stability than their predecessors. However, there is no way to compare ROM of implant systems in an equivalent anatomical environment in a clinical setting. This study used computer-aided design to compare ROM after hip resurfacing, 28mm THA, ...
Zsiga Elizabeth - - 2013
This paper reports the results of an experiment that elicits contextual effects on Rising and Falling accents in Standard Serbian, with the goal of determining their acoustic correlates and their phonological representation. Materials systematically vary the distance between pitch accents, inducing "tone crowding," in order to identify the phonetic dimensions ...
Strübi Grégory - - 2013
We propose to use weak measurements away from the weak-value amplification regime to carry out precision measurements of time delays of light. Our scheme is robust to several sources of noise that are shown to only limit the relative precision of the measurement. Thus, they do not set a limit ...
Evans Nicholas Rhys NR Cardiff School of Engineering, Cardiff University, Queen's Buildings, The Parade, Cardiff, CF24 3AA, UK. - - 2013
To compare the effectiveness of the Aspen, Aspen Vista, Philadelphia, Miami-J and Miami-J Advanced collars at restricting cervical spine movement in the sagittal, coronal and axial planes. Nineteen healthy volunteers (12 female, 7 male) were recruited to the study. Collars were fitted by an approved physiotherapist. Eight ProReflex (Qualisys, Sweden) ...
Qian Yi-Feng - - 2013
To investigate refractive and axial responses to the shift of focal plane resulting from the interchange of two monochromatic lights separately corresponding to the peak wavelengths of the cones absorption spectrum in retina, fifty 2-week-old pigmented guinea pigs were randomly assigned to five groups based on the mode of illumination: ...
Qian Yi-Feng - - 2013
Relative to the broadband white light (BL), postnatal guinea pigs develop myopia in a monochromic middle-wavelength light (ML, 530 nm) environment and develop hyperopia in a monochromic short-wavelength light (SL, 430 nm) environment. We investigated whether transfer from SL or ML to BL leads to recuperation of ocular refraction and ...
Plominsky Álvaro M ÁM Department of Molecular Genetics and Microbiology, Pontificia Universidad Católica de Chile, Santiago, - - 2013
The toxin producing nitrogen-fixing heterocystous freshwater cyanobacterium Cylindrospermopsis raciborskii recently radiated from its endemic tropical environment into sub-tropical and temperate regions, a radiation likely to be favored by its ability to fix dinitrogen (diazotrophy). Although most heterocystous cyanobacteria differentiate regularly spaced intercalary heterocysts along their trichomes when combined nitrogen sources ...
Turley Glen A - - 2012
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 ...
Nolan Ann - - 2012
PURPOSE: The magnification produced by a low-vision telescope has been shown to compress perceived depth. Looking through such a telescope, however, also entails monocular viewing and visual field restriction, and these viewing conditions, taken together, were also shown to compress perceived depth. The research presented here quantitatively explores the separate ...
Kato Kozo - - 2012
STUDY DESIGN:: An in vitro cadaveric biomechanical study. OBJECTIVE:: To evaluate the anterio-posterior (A-P) stability and the flexibility of our novel motion preservation device (MPD) using cadaveric cervical spines. SUMMARY OF BACKGROUND DATA:: The MPD intended to restrict the A-P instability of the C1-C2 complex and to preserve the axial ...
Krüger Tjaart P J - - 2012
The light-harvesting antenna of photosystem II (PSII) has the ability to switch rapidly between a state of efficient light use and one in which excess excitation energy is harmlessly dissipated as heat, a process known as qE. We investigated the single-molecule fluorescence intermittency of the main component of the PSII ...
Yao Can - - 2012
We describe a method for shaping the wavefront of the second-harmonic light generated in nonlinear materials with a disordered structure using a spatial light modulator on the fundamental beam. We show that, for the case of a transparent strontium-barium niobate crystal with a random distribution of antiparallel domains, the speckle ...
Nishijima Yoshiaki - - 2012
We analyze the localized surface plasmon resonance spectra of periodic square lattice arrays of gold nano-disks, and we describe numerically and experimentally the effect of disorder on resonance width, spectrum, and EM field enhancement in increasingly randomized patterns. The periodic structure shows a narrower and stronger extinction peak, conversely we ...
Yao Ying Y Renal Division, Department of Medicine, Peking University First Hospital; Institute of Nephrology, Peking University; Key Laboratory of Renal Diseases, Ministry of Health of China, - - 2014
Light chain proximal tubulopathy is a rarely reported entity associated with plasma cell dyscrasia that classically manifests as acquired Fanconi syndrome and is characterized by the presence of κ-restricted crystals in the proximal tubular cytoplasm. We herein present a case of multiple myeloma with Fanconi syndrome and acute kidney injury ...
Gertz Morie A - - 2012
Immunoglobulin light-chain amyloidosis needs to be considered in any patient presenting with cardiomyopathy with preserved systolic function, heavy albuminuria, an unexplained sensorimotor peripheral neuropathy, hepatomegaly, or atypical MGUS (monoclonal gammopathy of undetermined significance) or myeloma.The prognosis of the disease is determined by the levels of cardiac biomarkers and the pretreatment ...
Kamkwalala Asante - - 2012
Trauma is associated with increased risk for anxiety disorders such as posttraumatic stress disorder (PTSD). To further understand biologic mechanisms of PTSD, we examined the dark-enhanced startle response, a psychophysiological correlate of anxiety, and heart rate variability (HRV) in traumatized individuals with and without PTSD. The associations of these measures ...
Ghoraani Behnaz - - 2012
Acoustical measures of vocal function are important in the assessments of disordered voice, and for monitoring patients' progress over the course of voice therapy. In the last 2 decades, a variety of techniques for automatic pathological voice detection have been proposed, ranging from traditional temporal or spectral approaches to advanced ...
Roecklein Kathryn A - - 2012
Although light therapy is effective in the treatment of seasonal affective disorder (SAD) and other mood disorders, only 53-79% of individuals with SAD meet remission criteria after light therapy. Perhaps more importantly, only 12-41% of individuals with SAD continue to use the treatment even after a previous winter of successful ...
Butler Alexander L - - 2011
The eight piston octoid transducer is a descendent of the three piston trioid and four piston astroid transducers. These transducers were developed for low frequency underwater sound applications where wide bandwidth and small volume is desirable. Magnified piston motion is achieved through attached leveraged shell action driven by radial piezoelectric ...
Becker Brian C - - 2011
Precise movement during micromanipulation becomes difficult in submillimeter workspaces, largely due to the destabilizing influence of tremor. Robotic aid combined with filtering techniques that suppress tremor frequency bands increases performance; however, if knowledge of the operator's goals is available, virtual fixtures have been shown to greatly improve micromanipulator precision. In ...
Kaiser Martha D - - 2012
Disruptions in the visual perception of biological motion are emerging as a hallmark of autism spectrum disorder (ASD), consistent with the pathognomonic social deficits of this neurodevelopmental disorder. Accumulating evidence suggests an early and marked divergence in ASD from the typical developmental tuning of brain regions to process social information. ...
Toll Laura E - - 2011
Abstract Objective: To assess the effect of the static force of a bone vibrator on the results of bone conduction (BC) threshold measurements and comfort. Design: BC thresholds were determined for 40 participants using the standardized P-3333 headband and a leather adjustable headstrap with variable static forces (2.4, 3.4, 4.4, ...
Lister Jennifer J - - 2011
Abstract Objective: The objective of this study was to describe the auditory evoked response to silent gaps for a group of older adults using stimulus conditions identical to those used in psychophysical studies of gap detection. Design: The P1-N1-P2 response to the onsets of stimuli (markers) defining a silent gap ...
Tlumak Abreena I AI Department of Communication Science and Disorders, University of Pittsburgh , Pennsylvania , - - 2011
Quasi-steady-state responses were assessed over a wide range of stimulus repetition rates embracing well the traditionally measured transient AEPs (obligatory auditory evoked potentials of all latencies). Repetition rates of ≤10 Hz have received little attention in the context of the ASSR stimulus-response analysis approach which is speculated to provide technical ...
Le Prell C G - - 2011
We report pure-tone hearing threshold findings in 56 college students. All subjects reported normal hearing during telephone interviews, yet not all subjects had normal sensitivity as defined by well-accepted criteria. At one or more test frequencies (0.25-8 kHz), 7% of ears had thresholds ≥25 dB HL and 12% had thresholds ...
Plyler Patrick N - - 2011
Abstract Objective: The purpose of this research was to determine if the content and/or speaker gender of a running speech sample affected the acceptance of background noise within a participant. Design: A male and a female recording of the Arizona Travelogue (Cosmos Inc.) and the ipsilateral competing message (ICM) from ...
Salonen Jaakko - - 2011
Abstract Objective: The objective of this study was to evaluate the usefulness of the Finnish version of the Hearing Handicap Inventory for Elderly Screening (HHIE-S) questionnaire and a simple single-question method in detecting hearing loss. Design: We compared the HHIE-S score and the single question with audiometry results. By analysing ...
Sanabria Daniel - - 2011
This study investigates whether a rhythm can orient attention to specific moments enhancing people's reaction times (RT). We used a modified version of the temporal orienting paradigm in which an auditory isochronous rhythm was presented prior to an auditory single target. The rhythm could have a fast pace (450 ms ...
Kormendy John - - 2011
Supermassive black holes have been detected in all galaxies that contain bulge components when the galaxies observed were close enough that the searches were feasible. Together with the observation that bigger black holes live in bigger bulges, this has led to the belief that black-hole growth and bulge formation regulate ...
Dunnill Charles W - - 2010
N-doped TiO(2) has for many years received interest as visible light photocatalytic materials. Here we give our perspective on the subject with special consideration towards the use of visible light photocatalysts in the field of antimicrobial materials with applications in healthcare environments. The subject is reviewed and critiqued from synthetic ...
Leigh-Paffenroth Elizabeth D - - 2011
Abstract Objective: The primary purpose of this investigation was to determine the effect of multitalker babble on ASSRs in adult subjects with normal hearing (NH) and sensorineural hearing loss (HI). The secondary purpose was to investigate the relationships among ASSRs, word recognition in quiet, and word recognition in babble. Design: ...
Francart Tom - - 2011
Abstract Objective: To investigate the extent to which temporal gaps, temporal fine structure, and comprehensibility of the masker affect masking strength in speech recognition experiments. Design: Seven different masker types with Dutch speech materials were evaluated. Amongst these maskers were the ICRA-5 fluctuating noise, the international speech test signal (ISTS), ...
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