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Duguma Lalisa A LA ASB Partnership for the Tropical Forest Margins and World Agroforestry Centre (ICRAF), United Nations Avenue, Gigiri, 30677, Nairobi, 00100, Kenya, - - 2014
Currently, mitigation and adaptation measures are handled separately, due to differences in priorities for the measures and segregated planning and implementation policies at international and national levels. There is a growing argument that synergistic approaches to adaptation and mitigation could bring substantial benefits at multiple scales in the land use ...
Gregory Bree - - 2014
Inappropriate speed is a causal factor in around one third of fatal accidents (OECD/ECMT, 2006). But are drivers always consciously responsible for their speeding behavior? Two studies are reported which show that an interruption to a journey, caused by stopping at a red traffic light, can result in failure to ...
Falkenberg Helle K HK Department of Optometry and Visual Science, Buskerud and Vestfold University College, Frogsvei 41, 3611 Kongsberg, Norway (HKF). Electronic address: - - 2014
The aim of this study was to use an equivalent noise (EN) to investigate the development and maturation of motion perception, and how the underlying limitations of sampling efficiency and internal noise effect motion detection and direction discrimination in school-aged children (5-14 years) and adults. Contrast energy thresholds of a ...
Fidêncio Vanessa Luisa Destro VL School of Odontology of Bauru, Universidade de São Paulo, Bauru, SP, - - 2014
The aim of this systematic review is to outline the main methodologies used for measuring noise in classrooms and if the noise levels found are suitable standards. A survey of articles published in the last ten years, using six different databases. Were verified 1.088 publications and only eight studies met ...
Sekhar Deepa L DL Pediatrics, Penn State College of Medicine, Hershey, - - 2014
Like most of the United States, school-based hearing screening in Pennsylvania focuses on low-frequency, conductive hearing losses typical for young children, rather than the high-frequency, noise-induced hearing loss more prevalent among adolescents. The objective of this study was to compare the sensitivity and specificity of current school hearing screening in ...
Buss Emily - - 2014
PURPOSE The present study evaluated the effects of inherent envelope modulation and the availability of cues across frequency on behavioral gap detection with noise-band stimuli in school-age children. METHODS Listeners were normal-hearing adults and 5.2- to 15.6-year-olds. Stimuli were continuous bands of noise centered on 2000 Hz, either 1000 or ...
Domenici P P IAMC-CNR, Istituto per l'Ambiente Marino Costiero, Consiglio Nazionale delle Ricerche, , Località Sa Mardini, 09170 Torregrande, Oristano, Italy, Department of Biology and Ecology of Fishes, Leibniz Institute of Freshwater Ecology and Inland Fisheries, , Mueggelseedamm 310, 12587 Berlin, Germany, Department of Mathematics, University of Uppsala, , Uppsala, Sweden, Department of Ecology and Genetics, University of Uppsala, , Uppsala, Sweden, Marine Biological Section, University of Copenhagen, Strandpromenaden 5, , 3000 Helsingør, Denmark, Department of Electrical Engineering and Computer Science, Lübeck University of Applied Sciences, , 23562 Lübeck, Germany, Faculty of Life Sciences, Humboldt-Universität zu Berlin, , Invalidenstrasse 42, 10115 Berlin, Germany, Département de la Licence Sciences et Technologies, Université Pierre et Marie Curie, , 4 place Jussieu, 75005 Paris, France, Department of Biology, Carleton University, , 1125 Colonel By Drive, Ottawa, Ontario, - - 2014
The istiophorid family of billfishes is characterized by an extended rostrum or 'bill'. While various functions (e.g. foraging and hydrodynamic benefits) have been proposed for this structure, until now no study has directly investigated the mechanisms by which billfishes use their rostrum to feed on prey. Here, we present the ...
Wang D D Children's Hospital of Eastern Ontario, , Ottawa, Ontario, - - 2013
To determine whether implementation of a noise reduction policy followed by the addition of direct audit and feedback reduces noise levels in a tertiary-level neonatal intensive care unit (NICU). Noise level data was collected in three phases: (1) baseline (preintervention), (2) immediately postimplementation of our noise reduction policy, (3) postunveiling ...
Vejdani H R - - 2013
We proposed three swing leg control policies for spring-mass running robots, inspired by experimental data from our recent collaborative work on ground running birds. Previous investigations suggest that animals may prioritize injury avoidance and/or efficiency as their objective function during running rather than maintaining limit-cycle stability. Therefore, in this study ...
Sarantopoulos George - - 2013
This study presents and evaluates noise levels recorded at 15 school complexes in order to describe the indoor as well as the outdoor acoustic environment of schools and gain insight on controlling factors. Noise levels at the roadside in front of the school, the schoolyard, and 41 classrooms, both occupied ...
Bologna L L - - 2013
Objective. Fine touch sensing relies on peripheral-to-central neurotransmission of somesthetic percepts, as well as on active motion policies shaping tactile exploration. This paper presents a novel neuroengineering framework for robotic applications based on the multistage processing of fine tactile information in the closed action-perception loop. Approach. The integrated system modules ...
Oyama Sakiko - - 2013
BACKGROUND: The torsional stress on a baseball player's throwing limb has been theorized to affect humeral retrotosion during skeletal maturity. This study investigated 1) changes in humeral retrotorsion and shoulder rotation range of motion over a 1-year period in high school baseball players, and 2) relationship between a 1-year change ...
H Al-Samadani Khalid - - 2013
Objectives: The aim of this study was to determine the effect of ageing on the light intensity of quartz-tungsten-halogen (QTH) polymerization units in dental schools and dental clinics. Materials & Methods: Two dental schools and multiple public health dental clinics were visited and the light intensity of curing units was ...
Sekhar Deepa L - - 2013
The prevalence of hearing loss has increased among United States children. As schools commonly perform hearing screens, we sought to contrast current United States school-based hearing screening protocols. State department of health and education websites were reviewed to assess school hearing screening protocols for the fifty states and the District ...
Behm Ilan - - 2013
Objectives. We compared multiple measures of surveillance of "light" cigarette use, including population use, sales, and design features. Measures were obtained before the 2010 descriptors ban to establish a baseline for future evaluation of the effect of the ban. Methods. We examined light cigarette use, sales, and design using 3 ...
Coombes Emma E School of Environmental Sciences, University of East Anglia, Norwich, Norfolk, NR4 7 TJ, UK. - - 2013
Using a sample of English school children, we use accelerometery and global positioning systems to identify whether different intensities of activity (light, moderate, and vigorous) occur in different environments, and whether environments for bouts of moderate to vigorous activity (MVPA) vary from those for non-bout MVPA. We find that land ...
Lo Ada Hiu Chong - - 2013
Excessive ambient noise in school settings is a major concern for school hearing screening as it typically masks pure tone test stimuli (particularly 500 Hz and below). This results in false positive findings and subsequent unnecessary follow-up. With advances in technology, noise-cancelling headphones have been developed that reduce low frequency ...
Thines Benjamin C - - 2012
Breaking a wine glass with sound is a visually striking achievement and a great way to get potential students interested in Physics. The goal of this project is to not only break the wine glass but to build an apparatus that is portable and easily setup for lecture room demonstrations ...
Celmer Robert - - 2012
A two part investigation involving the effect of floor treatments on classroom background noise levels will be presented. Phase 1 determined the effects of hard versus soft flooring on overall speech and activity noise levels using long-term calibrated sound recordings in elementary classrooms. Two similar-sized classrooms were used: one with ...
Sahm Claudia R - - 2012
Recent fiscal policies, including the 2008 stimulus payments and the 2009 Making Work Pay Tax Credit, aimed to increase household spending. This paper quantifies the spending response to these policies and examines differences in spending by whether the stimulus was delivered as a one-time payment or as a flow of ...
Ditte Katharina - - 2012
A new photorefractive (PR) material sensitized with a novel functional unit DiPBI is prepared based on the guest/host approach. This unique mixture exhibits strong absorption in the whole range of visible light. Moreover, the photorefractive performance as well as PR speed is improved by far compared to the widely used ...
Miller Noam - - 2012
Animal groups on the move can take different configurations. For example, groups of fish can either be 'shoals' or 'schools': shoals are simply aggregations of individuals; schools are shoals exhibiting polarized, synchronized motion. Here we demonstrate that polarization distributions of groups of zebrafish (Danio rerio) are bimodal, showing two distinct ...
Daprati Elena - - 2011
You are queuing at the bus stop, and notice that someone suddenly turns her walk into a run: typically, you assume that she wants to catch the bus and may want to tell the driver to wait. Faced with a sudden speed change, rather than considering it bizarre or unnatural, ...
Xuan Ruyang - - 2011
A novel photonic printing technique based on the orientational tuning of photonic structures is developed. In the printing process, the θ-contrast pattern is produced by magnetic alignment, orientational tuning, and lithographical photopolymerization. Labels printed with two mirror-symmetric or multiple axially symmetric photonic orientations show a switchable color distribution or dynamic ...
Xu F - - 2011
Extracting motion layers from videos is an important task for video representation, analysis and compression. For videos with large inter-frame motions, motion layer extraction is challenging in two respects: the estimation of large disparity motions, and the awareness of large occluded regions. In this paper, we propose an effective method ...
Vander Werff Kathy R - - 2011
: This experiment was designed to evaluate whether neural encoding of speech features at the brain stem level is altered in the aging auditory system. In addition, the effect of minimal peripheral hearing loss on the auditory brain stem response (ABR) evoked by speech stimuli and interactions with aging were ...
Bedolla Diana E - - 2011
Analysis with DNA-microrrays and real time PCR show that several genes involved in the thyroid hormone cascade, such as deiodinase 2 and 3 (Dio2 and Dio3) are differentially regulated by the circadian clock and by changes of the ambient light. The expression level of Dio2 in adult rats (2-3 months ...
Américo Madileine-F MF Department of Physics and Biophysics, IBB, UNESP - Sao Paulo State University, 18618-000, Botucatu, São Paulo, Brazil. - - 2010
To evaluate the effects of meal size and three segmentations on intragastric distribution of the meal and gastric motility, by scintigraphy. Twelve healthy volunteers were randomly assessed, twice, by scintigraphy. The test meal consisted of 60 or 180 mL of yogurt labeled with 64 MBq (⁹⁹m)Tc-tin colloid. Anterior and posterior ...
Danyluk Michelle D - - 2010
The survival-growth capacity of Salmonella populations on tomato epidermis labeled by a natural-light labeling system was investigated after persistent fears of such marks serving as possible entryways for the pathogenic organisms, alone and in the presence of Pectobacterium carotovorum subsp. carotovorum, a soft-rot organism. Different treatments involving natural-light labeling, fruit ...
Han Heekyung - - 2011
Abstract Objective: The purpose of this study was to examine the reference sound pressure level (RSPL) for Korean speech audiometry which was defined as the reference speech recognition threshold level (RSRTL) equivalent to 0 dB HL at the audiometer. Study sample: Subjects consisted of 20 adults (40 ears) with normal ...
Mens Lucas H M - - 2011
Abstract Objective: To test speech understanding in noise using array microphones integrated in an eyeglass device and to test if microphones placed anteriorly at the temple provide better directivity than above the pinna. Design: Sentences were presented from the front and uncorrelated noise from 45, 135, 225 and 315°. Study ...
Ardoint Marine - - 2010
The contribution of temporal fine-structure (TFS) cues to consonant identification was compared for seven young adults with normal hearing and five young adults with mild-to-moderate hearing loss and flat, high- or low-frequency gently sloping audiograms. Nonsense syllables were degraded using two schemes (PM: phase modulation; FM: frequency modulation) designed to ...
Kloepper L N - - 2010
Toothed whales and dolphins possess a hypertrophied auditory system that allows for the production and hearing of ultrasonic signals. Although the fossil record provides information on the evolution of the auditory structures found in extant odontocetes, it cannot provide information on the evolutionary pressures leading to the hypertrophied auditory system. ...
Husain Fatima T - - 2011
Subjective tinnitus is the perception of sound in the absence of an external source. Tinnitus is often accompanied by hearing loss but not everyone with hearing loss experiences tinnitus. We examined neuroanatomical alterations associated with hearing loss and tinnitus in three groups of subjects: those with hearing loss with tinnitus, ...
Stronks H Christiaan - - 2011
Criteria for cochlear implantation keep expanding and people with substantial residual low-frequency hearing are considered candidates for implantation nowadays. Therefore, electro-acoustical stimulation in the same ear (EAS) is receiving increasing interest. We have investigated the effects of intracochlear electrical stimulation on acoustically evoked auditory-nerve activity, using a forward masking paradigm. ...
Liu Yang - - 2010
The early radiation of cetaceans coincides with the origin of their defining ecological and sensory differences [1, 2]. Toothed whales (Odontoceti) evolved echolocation for hunting 36-34 million years ago, whereas baleen whales (Mysticeti) evolved filter feeding and do not echolocate [2]. Echolocation in toothed whales demands exceptional high-frequency hearing [3], and ...
Sakata Toshifumi - - 2010
Acute idiopathic sensorineural hearing impairment at a frequency exceeding 8 kHz (high-frequency range) was recognized in patients suffering from acute tinnitus without hearing loss. The cases in this study may contribute to clarifying the pathogenesis of tinnitus without hearing loss and evaluating its response to steroid therapy. The aim of ...
Nelson Peggy B - - 2010
Listeners with sensorineural hearing loss show reduced benefit from fluctuating compared to stationary maskers and experience apparent signal-to-noise-ratio loss when compared to listeners with normal hearing. Previously [Nelson et al. ASA Baltimore (2010)] we tested normal-hearing and hearing-impaired listeners at similar reduced audibility levels. Listeners with normal hearing and hearing ...
Kloepper Laura N - - 2010
The echolocation signals of a false killer whale (Pseudorca crassidens) were collected during a wall thickness discrimination task and compared to clicks recorded during an identical experiment in 1992. During the sixteen year time period, the subject demonstrated a loss of high frequency hearing of about 70 kHz. Clicks between ...
Composeo Elizabeth - - 2010
Speech scientists are well aware that hearing ability affects the perception of speech sounds. However, hearing is rarely directly tested in studies of normal speech perception. Furthermore, standard audiological testing does not test above 8 kHz, although speech spans frequencies as high as 17 kHz. Given that amplification of frequencies ...
Hsu Ruey-Fen - - 2010
An objective investigation is needed to verify the existence and severity of hearing impairments resulting from work-related, noise-induced hearing loss in arbitration of medicolegal aspects. We investigated the accuracy of multiple-frequency auditory steady-state responses (Mf-ASSRs) between subjects with sensorineural hearing loss (SNHL) with and without occupational noise exposure. Cross-sectional study. ...
Carlyon Robert P - - 2010
A small group of cochlear implant users, having normal hearing in the unimplanted ear, compared the pitches of electrical and acoustic stimuli presented to the two ears. Comparisons were between 1031-pps pulse trains and pure tones or between 12- or 25-pps electric pulse trains and bandpass filtered acoustic pulse trains ...
Gallagher Hilary L - - 2010
High performance jet aircraft are capable of producing 130-150 dB of noise. Large populations work long hours in these high level noise environments and are at risk of hearing loss and related disabilities. To protect aircrew and ground crew members from the nearly constant assault of hazardous noise, an array ...
Füllgrabe Christian C Department of Experimental Psychology, University of Cambridge, - - 2010
This paper describes a preliminary laboratory-based evaluation of a method for fitting hearing aids with an extended high-frequency response, called CAMEQ2-HF. Linear filtering was used to implement the CAMEQ2-HF-prescribed gains for speech with an input level of 65 dB SPL. The results obtained using four normal-hearing (NH) and fifteen hearing-impaired ...
Ohgami Nobutaka - - 2011
There have been few reports showing a correlation between hearing levels and life style in young people. In this study, we succeeded in sensitively evaluating hearing levels in 51 young male adults of 21-23 years in age by 12 k Hz extra-high-frequency auditory thresholds, which cannot be measured by usual ...
Pacini A F - - 2010
Long-finned pilot whales are highly social odontocetes found in temperate and subpolar regions. This species is particularly known for its interaction with fisheries as well as its mass strandings. Recent tagging work has provided some information about pilot whales in the wild but, even though they have been successfully kept ...
Hannula Samuli - - 2010
There are only a few large, population-based epidemiological studies on hearing impairment (HI) in adults. The objective of this study was to investigate the prevalence of HI and possible differences between ears in older adults. The subjects (n = 850), aged 54-66 years, were randomly sampled from the population register. ...
Agterberg Martijn J H - - 2011
We examined horizontal directional hearing in patients with acquired severe unilateral conductive hearing loss (UCHL). All patients (n = 12) had been fitted with a bone conduction device (BCD) to restore bilateral hearing. The patients were tested in the unaided (monaural) and aided (binaural) hearing condition. Five listeners without hearing ...
O'Brien Anna - - 2010
Audiometric measurements through a hearing aid ('in-situ') may facilitate provision of hearing services where these are limited. This study investigated the validity and reliability of in-situ air conduction hearing thresholds measured with closed and open domes relative to thresholds measured with insert earphones, and explored sources of variability in the ...
Röhl Markus - - 2011
Auditory functional magnetic resonance imaging (fMRI) was used to assess neural activation in the human auditory brainstem (AB) and cortex (AC) as a function of bandwidth (BW). We recorded brain activation of 22 normal hearing listeners induced by band pass filtered pink noise stimuli with equal sound pressure level of ...
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