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https://www.readbyqxmd.com/read/29628883/achieving-accurate-automatic-sleep-staging-on-manually-pre-processed-eeg-data-through-synchronization-feature-extraction-and-graph-metrics
#1
Panteleimon Chriskos, Christos A Frantzidis, Polyxeni T Gkivogkli, Panagiotis D Bamidis, Chrysoula Kourtidou-Papadeli
Sleep staging, the process of assigning labels to epochs of sleep, depending on the stage of sleep they belong, is an arduous, time consuming and error prone process as the initial recordings are quite often polluted by noise from different sources. To properly analyze such data and extract clinical knowledge, noise components must be removed or alleviated. In this paper a pre-processing and subsequent sleep staging pipeline for the sleep analysis of electroencephalographic signals is described. Two novel methods of functional connectivity estimation (Synchronization Likelihood/SL and Relative Wavelet Entropy/RWE) are comparatively investigated for automatic sleep staging through manually pre-processed electroencephalographic recordings...
2018: Frontiers in Human Neuroscience
https://www.readbyqxmd.com/read/29627535/environmental-and-sustainability-evaluation-of-livestock-waste-management-practices-in-cyprus
#2
Lucía Lijó, Nicola Frison, Francesco Fatone, Sara González-García, Gumersindo Feijoo, Maria Teresa Moreira
The aim of this study was to compare the environmental performance and sustainability of different management options for livestock waste in Cyprus. The two most common practices in the country, i.e. the use of anaerobic lagoons and conventional biogas plants, were compared with the innovative scheme developed in the LiveWaste project (LIFE12 ENV/CY/000544), which aims not only to produce bioenergy, but also to treat the digestate for nutrient recovery and water reuse. The Life Cycle Assessment (LCA) methodology was combined with the Analytic Hierarchy Process (AHP) to compare the performance of these alternatives...
April 5, 2018: Science of the Total Environment
https://www.readbyqxmd.com/read/29617387/noise-pollution-limits-metal-bioaccumulation-and-growth-rate-in-a-filter-feeder-the-pacific-oyster-magallana-gigas
#3
Mohcine Charifi, Alison Miserazzi, Mohamedou Sow, Mickael Perrigault, Patrice Gonzalez, Pierre Ciret, Soumaya Benomar, Jean-Charles Massabuau
Shipping has increased dramatically in recent decades and oysters can hear them. We studied the interaction between noise pollution and trace metal contamination in the oyster Magallana gigas. Four oyster-groups were studied during a 14-day exposure period. Two were exposed to cadmium in the presence of cargo ship-noise ([Cd++]w ≈ 0.5 μg∙L-1; maximum sound pressure level 150 dBrms re 1 μPa), and 2 were exposed only to cadmium. The Cd concentration in the gills ([Cd]g) and the digestive gland ([Cd]dg), the valve closure duration, number of valve closures and circadian distribution of opening and closure, the daily shell growth-rate and the expression of 19 genes in the gills were studied...
2018: PloS One
https://www.readbyqxmd.com/read/29609357/implementation-of-a-violet-scheimpflug-lidar-system-for-atmospheric-aerosol-studies
#4
Liang Mei, Zheng Kong, Peng Guan
A violet Scheimpflug lidar system employing a 1-W 407-nm multimode laser diode is developed for remote sensing of atmospheric aerosols. The laser beam of the laser diode that is transmitted into atmosphere has been investigated in detail and a cylindrical lens pair is designed to improve the geometrical transmission efficiency. A measurement scheme with automatic exposure as well as a generalized signal processing method are established to optimize the signal-to-noise ratio of lidar signals. The performance of the violet Scheimpflug lidar system has been evaluated during a six-day continuous measurement campaign on a near horizontal path...
March 19, 2018: Optics Express
https://www.readbyqxmd.com/read/29599658/sensory-disruption-in-modern-living-and-the-emergence-of-sensory-inequities
#5
REVIEW
Kara C Hoover
Modern lifestyles are disrupting the human senses-primarily sight, sound, and smell. Noise-induced hearing loss has been noted for centuries and increasing over time following the industrial era. From the mid-20th century, the numbers of individuals with myopia (the leading visual impairment) have been increasing globally. Historical evidence for olfactory dysfunction is not known but its etiological links to pollution suggest it increased following industrialization. Clinical interventions for sight and sound loss include preventative and corrective measures but none exist for olfactory dysfunction...
March 2018: Yale Journal of Biology and Medicine
https://www.readbyqxmd.com/read/29593871/impact-of-motorboats-on-fish-embryos-depends-on-engine-type
#6
Sofia Jain-Schlaepfer, Eric Fakan, Jodie L Rummer, Stephen D Simpson, Mark I McCormick
Human generated noise is changing the natural underwater soundscapes worldwide. The most pervasive sources of underwater anthropogenic noise are motorboats, which have been found to negatively affect several aspects of fish biology. However, few studies have examined the effects of noise on early life stages, especially the embryonic stage, despite embryo health being critical to larval survival and recruitment. Here, we used a novel setup to monitor heart rates of embryos from the staghorn damselfish ( Amblyglyphidodon curacao ) in shallow reef conditions, allowing us to examine the effects of in situ boat noise in context with real-world exposure...
2018: Conservation Physiology
https://www.readbyqxmd.com/read/29574476/exposure-to-traffic-noise-and-air-pollution-and-risk-for-febrile-seizure-a-cohort-study
#7
Dorrit Hjortebjerg, Anne-Marie Nybo Andersen, Matthias Ketzel, Ole Raaschou-Nielsen, Mette Sørensen
Objectives Exposure to traffic noise and air pollution is suspected to increase susceptibility to viral infections - the main triggering factor for febrile seizures. No studies have examined these two exposures in relation to febrile seizures. We aimed to investigate whether exposure to road traffic noise and air pollution are associated with risk of febrile seizures in childhood. Methods From our study base of 51 465 singletons from a national birth cohort, we identified 2175 cases with febrile seizures using a nationwide registry...
March 25, 2018: Scandinavian Journal of Work, Environment & Health
https://www.readbyqxmd.com/read/29574337/socioeconomic-and-ethnic-inequalities-in-exposure-to-air-and-noise-pollution-in-london
#8
Cathryn Tonne, Carles Milà, Daniela Fecht, Mar Alvarez, John Gulliver, James Smith, Sean Beevers, H Ross Anderson, Frank Kelly
BACKGROUND: Transport-related air and noise pollution, exposures linked to adverse health outcomes, varies within cities potentially resulting in exposure inequalities. Relatively little is known regarding inequalities in personal exposure to air pollution or transport-related noise. OBJECTIVES: Our objectives were to quantify socioeconomic and ethnic inequalities in London in 1) air pollution exposure at residence compared to personal exposure; and 2) transport-related noise at residence from different sources...
March 22, 2018: Environment International
https://www.readbyqxmd.com/read/29573946/childhood-exposure-to-green-space-a-novel-risk-decreasing-mechanism-for-schizophrenia
#9
Kristine Engemann, Carsten Bøcker Pedersen, Lars Arge, Constantinos Tsirogiannis, Preben Bo Mortensen, Jens-Christian Svenning
Schizophrenia risk has been linked to urbanization, but the underlying mechanism remains unknown. Green space is hypothesized to positively influence mental health and might mediate risk of schizophrenia by mitigating noise and particle pollution exposure, stress relief, or other unknown mechanisms. The objectives for this study were to determine if green space are associated with schizophrenia risk, and if different measures of green space associate differently with risk. We used satellite data from the Landsat program to quantify green space in a new data set for Denmark at 30×30m resolution for the years 1985-2013...
March 21, 2018: Schizophrenia Research
https://www.readbyqxmd.com/read/29565288/resonance-based-time-frequency-manifold-for-feature-extraction-of-ship-radiated-noise
#10
Jiaquan Yan, Haixin Sun, Hailan Chen, Naveed Ur Rehman Junejo, En Cheng
In this paper, a novel time-frequency signature using resonance-based sparse signal decomposition (RSSD), phase space reconstruction (PSR), time-frequency distribution (TFD) and manifold learning is proposed for feature extraction of ship-radiated noise, which is called resonance-based time-frequency manifold (RTFM). This is suitable for analyzing signals with oscillatory, non-stationary and non-linear characteristics in a situation of serious noise pollution. Unlike the traditional methods which are sensitive to noise and just consider one side of oscillatory, non-stationary and non-linear characteristics, the proposed RTFM can provide the intact feature signature of all these characteristics in the form of a time-frequency signature by the following steps: first, RSSD is employed on the raw signal to extract the high-oscillatory component and abandon the low-oscillatory component...
March 22, 2018: Sensors
https://www.readbyqxmd.com/read/29560839/ultrastructural-alterations-of-midgut-epithelium-but-not-greater-wing-fluctuating-asymmetry-in-paper-wasps-polistes-dominula-from-urban-environments
#11
Carlo Polidori, Agustín Pastor, Alberto Jorge, José Pertusa
Polistes paper wasps can be used to monitor trace metal contaminants, but the effects of pollution on the health of these insects are still unknown. We evaluated, in a south-eastern area of Spain, whether workers of Polistes dominula collected at urban and rural sites differ in health of midgut tissue and in fluctuating asymmetry, an estimate of developmental noise. We found that wasps collected at the urban sites had abundant lead (Pb)-containing spherites, which were less visible in wasps from the rural sites...
March 21, 2018: Microscopy and Microanalysis
https://www.readbyqxmd.com/read/29550511/early-life-exposure-to-air-pollution-particulate-matter-pm-as-risk-factor-for-attention-deficit-hyperactivity-disorder-adhd-need-for-novel-strategies-for-mechanisms-and-causalities
#12
Oddvar Myhre, Marit Låg, Gro Villanger, Bente Oftedal, Johan Øvrevik, Jørn A Holme, Heidi Aase, Ragnhild E Paulsen, Anna Bal-Price, Hubert Dirven
Epidemiological studies have demonstrated that air pollution particulate matter (PM) and adsorbed toxicants (organic compounds and trace metals) may affect child development already in utero. Recent studies have also indicated that PM may be a risk factor for neurodevelopmental disorders (NDDs). A pattern of increasing prevalence of attention deficit/hyperactivity disorder (ADHD) has been suggested to partly be linked to environmental pollutants exposure, including PM. Epidemiological studies suggest associations between pre- or postnatal exposure to air pollution components and ADHD symptoms...
March 14, 2018: Toxicology and Applied Pharmacology
https://www.readbyqxmd.com/read/29541149/coping-with-the-new-era-noise-and-light-pollution-hperactivity-and-steroid-hormones-towards-an-evolutionary-view-of-bipolar-disorders
#13
REVIEW
M G Carta, A Preti, H S Akiskal
Human population is increasing in immense cities with millions of inhabitants, in which life is expected to run 24 hours a day for seven days a week (24/7). Noise and light pollution are the most reported consequences, with a profound impact on sleep patterns and circadian biorhythms. Disruption of sleep and biorhythms has severe consequences on many metabolic pathways. Suppression of melatonin incretion at night and the subsequent effect on DNA methylation may increase the risk of prostate and breast cancer...
2018: Clinical Practice and Epidemiology in Mental Health: CP & EMH
https://www.readbyqxmd.com/read/29540253/not-urbanization-level-but-socioeconomic-physical-and-social-neighbourhood-characteristics-are-associated-with-presence-and-severity-of-depressive-and-anxiety-disorders
#14
Ellen Generaal, Erik J Timmermans, Jasper E C Dekkers, Johannes H Smit, Brenda W J H Penninx
BACKGROUND: Which neighbourhood factors most consistently impact on depression and anxiety remains unclear. This study examines whether objectively obtained socioeconomic, physical and social aspects of the neighbourhood in which persons live are associated with the presence and severity of depressive and anxiety disorders. METHODS: Cross-sectional data are from the Netherlands Study of Depression and Anxiety including participants (n = 2980) with and without depressive and anxiety disorders in the past year (based on DSM-based psychiatric interviews)...
March 15, 2018: Psychological Medicine
https://www.readbyqxmd.com/read/29537090/why-the-damselfish-chromis-chromis-is-a-key-species-in-the-mediterranean-rocky-littoral-a-quantitative-perspective
#15
J K Pinnegar
The damselfish Chromis chromis is typically the most abundant fish species in the rocky littoral environment of the Mediterranean Sea, where it feeds in huge shoals on incoming zooplankton and rests near the seabed each night. Research has shown that large populations of C. chromis play a fundamental role by transferring carbon, nitrogen and phosphorus directly from the pelagic system to the littoral in the form of solid and liquid wastes and therefore that this species acts as a vital conduit for nutrients...
March 2018: Journal of Fish Biology
https://www.readbyqxmd.com/read/29528897/urban-mental-health-challenges-and-perspectives
#16
Niels Okkels, Christina Blanner Kristiansen, Povl Munk-Jørgensen, Norman Sartorius
PURPOSE OF REVIEW: To provide an update on urban mental health and highlight the challenges that require urgent attention. RECENT FINDINGS: The majority of the world's population live in towns and urbanization is expected to increase in all areas of the world. Challenges to mental health in urban areas include loneliness, violence, high crime rates, homelessness, noise and other pollutants, traffic accidents, drug abuse, and insufficiency of mental health services...
March 9, 2018: Current Opinion in Psychiatry
https://www.readbyqxmd.com/read/29524891/sustainability-assessment-of-alternative-end-uses-for-disused-areas-based-on-multi-criteria-decision-making-method
#17
Giovanni De Feo, Sabino De Gisi, Sabato De Vita, Michele Notarnicola
The main aim of this study was to define and apply a multidisciplinary and multi-criteria approach to sustainability in evaluating alternative end-uses for disused areas. Taking into account the three pillars of sustainability (social, economic and environmental dimension) as well as the need for stakeholders to have new practical instruments, the innovative approach consists of four modules stated (i) sociological, (ii) economic, (iii) environmental and (iv) multi-criteria assessment. By means of a case study on a small Municipality in Southern Italy, three end-uses alternatives, representing three essential services for citizens, were selected: Municipal gym; Market area; Municipal Solid Waste (MSW) separate collection centre...
March 7, 2018: Science of the Total Environment
https://www.readbyqxmd.com/read/29523977/determination-of-noise-pollution-on-university-campuses-a-case-study-at-%C3%A3-ukurova-university-campus-in-turkey
#18
Deniz Çolakkadıoğlu, Muzaffer Yücel, Barış Kahveci, Özüm Aydınol
The aims of this study are to identify via harnessing noise mapping the effects of noise pollution at Çukurova University campus on the academic setting and to reveal the obtained change values in noise pollution on the campus during the period 2010-2017. In line with these aims, the first step has been to map the highway-induced environmental noise on Çukurova University campus during daytime (07:00-19:00) and evening (19:00-23:00) hours by employing SoundPLAN 7.3 software. Traffic-induced noise distribution maps for years 2010 and 2017 on the campus were analyzed by threshold values stipulated by the Regulation on Environmental Noise Assessment and Management that is compliance with the European Union Directive on Environmental Noise (2002/49/EC) and after the conducted analyses, traffic-induced environmental noise measured on Çukurova University campus since the past to that date was identified in terms of spatial change...
March 9, 2018: Environmental Monitoring and Assessment
https://www.readbyqxmd.com/read/29518662/road-traffic-noise-air-pollution-and-incident-cardiovascular-disease-a-joint-analysis-of-the-hunt-epic-oxford-and-uk-biobank-cohorts
#19
Yutong Cai, Susan Hodgson, Marta Blangiardo, John Gulliver, David Morley, Daniela Fecht, Danielle Vienneau, Kees de Hoogh, Tim Key, Kristian Hveem, Paul Elliott, Anna L Hansell
BACKGROUND: This study aimed to investigate the effects of long-term exposure to road traffic noise and air pollution on incident cardiovascular disease (CVD) in three large cohorts: HUNT, EPIC-Oxford and UK Biobank. METHODS: In pooled complete-case sample of the three cohorts from Norway and the United Kingdom (N = 355,732), 21,081 incident all CVD cases including 5259 ischemic heart disease (IHD) and 2871 cerebrovascular cases were ascertained between baseline (1993-2010) and end of follow-up (2008-2013) through medical record linkage...
March 5, 2018: Environment International
https://www.readbyqxmd.com/read/29509720/segmentation-of-oil-spills-on-side-looking-airborne-radar-imagery-with-autoencoders
#20
Antonio-Javier Gallego, Pablo Gil, Antonio Pertusa, Robert B Fisher
In this work, we use deep neural autoencoders to segment oil spills from Side-Looking Airborne Radar (SLAR) imagery. Synthetic Aperture Radar (SAR) has been much exploited for ocean surface monitoring, especially for oil pollution detection, but few approaches in the literature use SLAR. Our sensor consists of two SAR antennas mounted on an aircraft, enabling a quicker response than satellite sensors for emergency services when an oil spill occurs. Experiments on TERMA radar were carried out to detect oil spills on Spanish coasts using deep selectional autoencoders and RED-nets (very deep Residual Encoder-Decoder Networks)...
March 6, 2018: Sensors
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