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https://www.readbyqxmd.com/read/28417101/role-of-active-listening-and-listening-effort-on-contralateral-suppression-of-transient-evoked-otoacousic-emissions
#1
Mohan Kumar Kalaiah, Nikhitha B Theruvan, Kaushlendra Kumar, Jayashree S Bhat
BACKGROUND AND OBJECTIVES: The present study aimed to investigate the effect of active listening and listening effort on the contralateral suppression of transient evoked otoacoustic emissions (CSTEOAEs). SUBJECTS AND METHODS: Twenty eight young adults participated in the study. Transient evoked otoacoustic emissions (TEOAEs) were recorded using 'linear' clicks at 60 dB peSPL, in three contralateral noise conditions. In condition 1, TEOAEs were obtained in the presence of white noise in the contralateral ear...
April 2017: Journal of Audiology & Otology
https://www.readbyqxmd.com/read/28388545/the-diagnostic-value-of-white-blood-cell-neutrophil-neutrophil-to-lymphocyte-ratio-and-lymphocyte-to-monocyte-ratio-in-patients-with-primary-angle-closure-glaucoma
#2
Shengjie Li, Wenjun Cao, Jianping Han, Binghua Tang, Xinghuai Sun
OBJECTIVE: Inflammatory mechanisms may have a role in the pathogenesis of primary angle closure glaucoma (PACG). The objective of this study was to investigate the diagnostic value of white blood cell (WBC), neutrophil, neutrophil to lymphocyte ratio (NLR), and lymphocyte to monocyte ratio (LMR) in patients with PACG and its association with glaucoma severity. METHOD: The study was retrospectively assessed in 771 consecutive PACG patients and 770 control subjects, laboratory parameters and clinical parameters were obtained from a medical data platform...
March 25, 2017: Oncotarget
https://www.readbyqxmd.com/read/28387741/effects-of-low-molecular-weight-fucoidan-and-high-stability-fucoxanthin-on-glucose-homeostasis-lipid-metabolism-and-liver-function-in-a-mouse-model-of-type-ii-diabetes
#3
Hong-Ting Victor Lin, Yu-Chi Tsou, Yu-Ting Chen, Wen-Jung Lu, Pai-An Hwang
The combined effects of low-molecular-weight fucoidan (LMF) and fucoxanthin (Fx) in terms of antihyperglycemic, antihyperlipidemic, and hepatoprotective activities were investigated in a mouse model of type II diabetes. The intake of LMF, Fx, and LMF + Fx lowered the blood sugar and fasting blood sugar levels, and increased serum adiponectin levels. The significant decrease in urinary sugar was only observed in LMF + Fx supplementation. LMF and Fx had ameliorating effects on the hepatic tissue of db/db mice by increasing hepatic glycogen and antioxidative enzymes, and LMF was more effective than Fx at improving hepatic glucose metabolism...
April 7, 2017: Marine Drugs
https://www.readbyqxmd.com/read/28333120/an-analytical-model-for-bds-b1-spreading-code-self-interference-evaluation-considering-nh-code-effects
#4
Xin Zhang, Xingqun Zhan, Shaojun Feng, Washington Ochieng
The short spreading code used by the BeiDou Navigation Satellite System (BDS) B1-I or GPS Coarse/Acquistiion (C/A) can cause aggregately undesirable cross-correlation between signals within each single constellation. This GPS-to-GPS or BDS-to-BDS correlation is referred to as self-interference. A GPS C/A code self-interference model is extended to propose a self-interference model for BDS B1, taking into account the unique feature of the B1-I signal transmitted by BDS medium Earth orbit (MEO) and inclined geosynchronous orbit (IGSO) satellites-an extra Neumann-Hoffmann (NH) code...
March 23, 2017: Sensors
https://www.readbyqxmd.com/read/28325351/flexible-fiber-optic-high-speed-imaging-of-vocal-fold-vibration-a-preliminary-report
#5
Peak Woo, Peter Baxter
OBJECTIVE: High-speed video (HSV) imaging of vocal fold vibration has been possible only through the rigid endoscope. This study reports that a fiberscope-based high-speed imaging system may allow HSV imaging of naturalistic voicing. MATERIALS AND METHODS: Twenty-two subjects were recorded using a commercially available black and white high-speed camera (Photron Motion Tools, 256 × 120 pixel, 2000 frames per second, 8 second acquisition time). The camera gain is set to +6 db...
March 2017: Journal of Voice: Official Journal of the Voice Foundation
https://www.readbyqxmd.com/read/28286464/characterization-of-impulse-radio-intrabody-communication-system-for-wireless-body-area-networks
#6
Zibo Cai, MirHojjat Seyedi, Weiwei Zhang, Francois Rivet, Daniel T H Lai
Intrabody communication (IBC) is a promising data communication technique for body area networks. This short-distance communication approach uses human body tissue as the medium of signal propagation. IBC is defined as one of the physical layers for the new IEEE 802.15.6 or wireless body area network (WBAN) standard, which can provide a suitable data rate for real-time physiological data communication while consuming lower power compared to that of radio-frequency protocols such as Bluetooth. In this paper, impulse radio (IR) IBC (IR-IBC) is examined using a field-programmable gate array (FPGA) implementation of an IBC system...
2017: Journal of Medical and Biological Engineering
https://www.readbyqxmd.com/read/28274940/aortic-depressor-nerve-stimulation-does-not-impede-dynamic-characteristics-of-the-carotid-sinus-baroreflex-in-normotensive-or-spontaneously-hypertensive-rats
#7
Toru Kawada, Michael J Turner, Shuji Shimizu, Masafumi Fukumitsu, Atsunori Kamiya, Masaru Sugimachi
Recent clinical trials in patients with drug-resistant hypertension indicate that electrical activation of the carotid sinus baroreflex (baroreflex activation therapy) can reduce arterial pressure (AP) for more than a year. To examine whether the electrical stimulation from one baroreflex system impedes normal short-term AP regulation via another unstimulated baroreflex system, we electrically stimulated the left aortic depressor nerve (ADN) while estimating the dynamic characteristics of the carotid sinus baroreflex in anesthetized normotensive Wistar-Kyoto (WKY, n=8) rats and spontaneously hypertensive rats (SHR, n=7)...
March 8, 2017: American Journal of Physiology. Regulatory, Integrative and Comparative Physiology
https://www.readbyqxmd.com/read/28255516/effect-of-noise-on-time-frequency-analysis-of-vibrocardiographic-signals
#8
A Taebi, H A Mansy
Recordings of biological signals such as vibrocardiography often contain contaminating noise. Noise sources may include respiratory, gastrointestinal, and muscles movement, or environmental noise. Depending on individual physiology and sensor location, the vibrocardiographic (VCG) signals may be obscured by these noises in the time-frequency plane, which may interfere with automated characterization of VCG. In this study, polynomial chirplet transform (PCT) and smoothed pseudo Wigner-Ville distribution (SPWVD) were used to estimate the instantaneous frequency (IF) of two simulated VCG signals...
September 2016: Journal of Bioengineering & Biomedical Science
https://www.readbyqxmd.com/read/28241531/minimal-post-processing-320-gbps-true-random-bit-generation-using-physical-white-chaos
#9
Anbang Wang, Longsheng Wang, Pu Li, Yuncai Wang
Chaotic external-cavity semiconductor laser (ECL) is a promising entropy source for generation of high-speed physical random bits or digital keys. The rate and randomness is unfortunately limited by laser relaxation oscillation and external-cavity resonance, and is usually improved by complicated post processing. Here, we propose using a physical broadband white chaos generated by optical heterodyning of two ECLs as entropy source to construct high-speed random bit generation (RBG) with minimal post processing...
February 20, 2017: Optics Express
https://www.readbyqxmd.com/read/28166900/effects-of-auditory-and-tactile-warning-on-response-to-visual-hazards-under-a-noisy-environment
#10
Atsuo Murata, Takashi Kuroda, Waldemar Karwowski
A warning signal presented via a visual or an auditory cue might interfere with auditory or visual information inside and outside a vehicle. On the other hand, such interference would be certainly reduced if a tactile cue is used. Therefore, it is expected that tactile cues would be promising as warning signals, especially in a noisy environment. In order to determine the most suitable modality of cue (warning) to a visual hazard in noisy environments, auditory and tactile cues were examined in this study. The condition of stimulus onset asynchrony (SOA) was set to 0ms, 500ms, and 1000ms...
April 2017: Applied Ergonomics
https://www.readbyqxmd.com/read/28164936/the-effects-of-acoustic-white-noise-on-the-rat-central-auditory-system-during-the-fetal-and-critical-neonatal-periods-a-stereological-study
#11
Mohammad Saied Salehi, Mohammad Reza Namavar, Amin Tamadon, Raziyeh Bahmani, Mohammad Reza Jafarzadeh Shirazi, Homayoun Khazali, Leila Dargahi, Sareh Pandamooz, Farzad Mohammad-Rezazadeh, Fatemeh Sadat Rashidi
AIM: To evaluate the effects of long-term, moderate level noise exposure during crucial periods of rat infants on stereological parameters of medial geniculate body (MGB) and auditory cortex. MATERIALS AND METHODS: Twenty-four male offspring of 12 pregnant rats were divided into four groups: fetal-to-critical period group, which were exposed to noise from the last 10 days of fetal life till postnatal day (PND) 29; fetal period group that exposed to noise during the last 10 days of fetal life; critical period group, exposed to noise from PND 15 till PND 29, and control group...
January 2017: Noise & Health
https://www.readbyqxmd.com/read/28161157/effect-of-scoparia-dulcis-on-noise-stress-induced-adaptive-immunity-and-cytokine-response-in-immunized-wistar-rats
#12
Loganathan Sundareswaran, Sakthivel Srinivasan, Wankupar Wankhar, Rathinasamy Sheeladevi
BACKGROUND: Noise acts as a stressor and is reported to have impact on individual health depending on nature, type, intensity and perception. Modern medicine has no effective drugs or cure to prevent its consequences. Being an environmental stressor noise cannot be avoided; instead minimizing its exposure or consuming anti-stressor and adaptogens from plants can be considered. OBJECTIVES: The present study was carried out to evaluate the anti-stressor, adaptogen and immunostimulatory activity of Scoparia dulcis against noise-induced stress in Wistar rat models...
January 2017: Journal of Ayurveda and Integrative Medicine
https://www.readbyqxmd.com/read/28152124/structural-and-functional-recovery-following-limited-iatrogenic-macular-detachment-for-retinal-gene-therapy
#13
Matthew P Simunovic, Kanmin Xue, Jasleen K Jolly, Robert E MacLaren
Importance: The early decline and recovery of retinal structure and function following iatrogenic macular detachment for retinal gene therapy is not well characterized in those with relatively preserved central visual function. Here, the recovery of retinal structure and function over the first month following iatrogenic retinal detachment for the delivery of adeno-associated viral vector encoding Rab Escort Protein 1 is described as a part of gene therapy for choroideremia. Objective: To study changes in both retinal structure and function during the first month following iatrogenic macular detachment surgery...
March 1, 2017: JAMA Ophthalmology
https://www.readbyqxmd.com/read/28129657/physiological-characterization-of-a-novel-ppar-pan-agonist-2-4-5-6-methylenedioxybenzo-d-thiazol-2-yl-2-methylphenoxy-2-methylpropanoic-acid-mhy2013
#14
Hye Jin An, Bonggi Lee, Dae Hyun Kim, Eun Kyeong Lee, Ki Wung Chung, Min Hi Park, Hyoung Oh Jeong, Sung Min Kim, Kyoung Mi Moon, Ye Ra Kim, Seong Jin Kim, Hwi Young Yun, Pusoon Chun, Byung Pal Yu, Hyung Ryong Moon, Hae Young Chung
Recently, agonists targeting multiple peroxisome proliferator-activated receptors (PPARs) have been developed to improve metabolic disorders and minimize the side effects of selective PPAR agonists such as weight gain and dyslipidemia. We newly synthesized six 2-methyl-2-(o-tolyloxy)propanoic acid derivatives based on the structure of a well-known PPAR pan agonist, bezafibrate. Of six compounds, MHY2013 was screened as the strongest activator of three PPAR subtypes based on protein docking simulation and luciferase assays...
March 7, 2017: Oncotarget
https://www.readbyqxmd.com/read/28126063/eyeblink-conditioning-with-a-noise-burst-as-unconditioned-stimulus
#15
José L Marcos Malmierca, Azahara Marcos de Vega
BACKGROUND: The aim of this study was to determine if a white noise burst could be used as an effective unconditioned stimulus (US) to produce differential conditioning of eyeblink responses that were recorded as EMG activity of the orbicularis oculi. METHOD: Two fear-relevant stimuli served as conditioned stimuli (CS). An angry woman’s face (CS+) was consistently followed by a white noise burst (US) with 100 dB intensity and 100 milliseconds in duration.  A fearful face of the same woman (CS-) was not followed by the US...
February 2017: Psicothema
https://www.readbyqxmd.com/read/28108342/effects-of-dietary-lactobacillus-plantarum-in-different-treatments-on-growth-performance-and-immune-gene-expression-of-white-shrimp-litopenaeus-vannamei-under-normal-condition-and-stress-of-acute-low-salinity
#16
Xiaoting Zheng, Yafei Duan, Hongbiao Dong, Jiasong Zhang
A 45-day feeding trial followed by an acute stress test of low salinity was done to evaluate effects of Lactobacillus plantarum on growth performance and anti-stress capability of white shrimp (Litopenaeus vannamei). Shrimp were randomly allocated in 15 tanks (100 shrimp per tank) and divided into 5 treatments with 3 replicates. Triplicate tanks were fed with a control diet or diets containing different treatments of L. plantarum (fermentation supernatant (FS), live bacteria (LB), dead bacteria (DB) and cell-free extract (CE) of L...
March 2017: Fish & Shellfish Immunology
https://www.readbyqxmd.com/read/28080976/respiratory-modulation-of-startle-eye-blink-a-new-approach-to-assess-afferent-signals-from-the-respiratory-system
#17
André Schulz, Thomas M Schilling, Claus Vögele, Mauro F Larra, Hartmut Schächinger
Current approaches to assess interoception of respiratory functions cannot differentiate between the physiological basis of interoception, i.e. visceral-afferent signal processing, and the psychological process of attention focusing. Furthermore, they typically involve invasive procedures, e.g. induction of respiratory occlusions or the inhalation of CO2-enriched air. The aim of this study was to test the capacity of startle methodology to reflect respiratory-related afferent signal processing, independent of invasive procedures...
November 19, 2016: Philosophical Transactions of the Royal Society of London. Series B, Biological Sciences
https://www.readbyqxmd.com/read/28059329/demonstration-of-136-db-dynamic-range-capability-for-a-simultaneous-dual-optical-band-caos-camera
#18
Nabeel A Riza, J Pablo La Torre
For the first time, proposed and demonstrated is a simultaneous dual optical band coded access optical sensor (CAOS) camera design suited for extreme contrast multispectral bright target scenarios. Deploying a digital micromirror devices (DMDs)-based time-frequency agile pixels CAOS-mode within a two point detector spatially and spectrally isolating framework, this imager simultaneously and independently detects pixel selective image information for two different broad spectral bands that further undergo independent spectral image data extraction via finer-tuned wavelength filtering using all-optical or CAOS-mode electronic filters...
December 26, 2016: Optics Express
https://www.readbyqxmd.com/read/27991470/air-traffic-controllers-long-term-speech-in-noise-training-effects-a-control-group-study
#19
Maria T P Zaballos, Daniel P Plasencia, María L Z González, Angel R de Miguel, Ángel R Macías
INTRODUCTION: Speech perception in noise relies on the capacity of the auditory system to process complex sounds using sensory and cognitive skills. The possibility that these can be trained during adulthood is of special interest in auditory disorders, where speech in noise perception becomes compromised. Air traffic controllers (ATC) are constantly exposed to radio communication, a situation that seems to produce auditory learning. The objective of this study has been to quantify this effect...
November 2016: Noise & Health
https://www.readbyqxmd.com/read/27956721/otologic-and-audiologic-outcomes-in-pediatric-patients-with-velo-cardio-facial-22q11-deletion-syndrome
#20
Forest W Weir, Sarah A Wallace, David R White, Jonathan L Hatch, Shaun A Nguyen, Ted A Meyer
OBJECTIVE: The focus of this study was to evaluate the prevalence, type, and severity of hearing impairment in patients with velo-cardio-facial syndrome (VCFS) and to compare these characteristics with patient demographics and other otologic factors. STUDY DESIGN: Retrospective analysis of the AudGen Database. SETTING: Tertiary academic referral center. PATIENTS: Pediatric patients in AudGenDB with a diagnosis of velo-cardio-facial syndrome or DiGeorge syndrome...
January 2017: Otology & Neurotology
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