scholarly journals Traffic noise disrupts vocal development and suppresses immune function

2021 ◽  
Vol 7 (20) ◽  
pp. eabe2405
Author(s):  
Henrik Brumm ◽  
Wolfgang Goymann ◽  
Sébastien Derégnaucourt ◽  
Nicole Geberzahn ◽  
Sue Anne Zollinger

Noise pollution has been linked to learning and language deficits in children, but the causal mechanisms connecting noise to cognitive deficiencies remain unclear because experimental models are lacking. Here, we investigated the effects of noise on birdsong learning, the primary animal model for vocal learning and speech development in humans. We found that traffic noise exposure retarded vocal development and led to learning inaccuracies. In addition, noise suppressed immune function during the sensitive learning period, indicating that it is a potent stressor for birds, which is likely to compromise their cognitive functions. Our results provide important insights into the consequences of noise pollution and pave the way for future studies using birdsong as an experimental model for the investigation of noise-induced learning impairments.

2013 ◽  
Vol 40 (2) ◽  
Author(s):  
Ni Ketut Susilawati ◽  
Wayan Sudana ◽  
Eka Putra Setiawan

Background: Noise pollution or noise is an unwanted sound which is disturbing to human beings.However small or soft the sound, if it is undesirable it is considered as noise. Noise induced hearingloss is a sensorineural hearing loss that is commonly encountered second to presbycusis. Purpose: Toknow the effect of traffic noise exposure on hearing impairment to the employees of the Parking DistrictCompany of the Denpasar city and to improve diagnostic detection on hearing impairment caused bynoise. Method: A cross sectional study was conducted at the Parking District Company office. Thepopulations of this study were the employees of the Parking District Company. Samples of this study were the employees who were exposed to traffic noise and control samples were an employee who was unexposed. Samples were selected by simple random sampling. Results: From 40 parking attendants,27 persons (67.5%) aged above 35 years old. The parking attendants who had been working for ten to fifteen years were 36 persons (90%) and no history using ear protection when working. Seven persons(17.5%) had referred DPOAE upon examination with increase hearing threshold on audiogram result.In this study the parking attendants who had hearing deficit induced by noise were 7 persons (17.5%)and only one person (2.5%) in control group. There was a statistically significant effect of traffic noiseto hearing function deficit (p<0.05). Conclusion: Traffic noise has effect in hearing function deficit onthe parking attendants.ORLI Vol. 40 No. 2 Tahun 2010Key words: NIHL, parking attendant, audiometry, DPOAE.


2021 ◽  
Author(s):  
WAZIR ALAM ◽  
Ramtharmawi Nungate

Abstract Noise pollution assessment was carried out in selected traffic junctions of Imphal city of Manipur, India. The noise pollution assessment was carried out using noise parameters and indices such as L10, L50, L90, Leq for selected traffic junctions during the different periods of the day, i.e., morning, noon, and evening hours. The study of equivalent noise level (Leq), noise parameters, and various noise indices have enabled the evaluation of the overall traffic noise environment of the city. The traffic noise indices such as traffic noise index (TNI), noise climate (NC), traffic noise pollution level (LNP), noise exposure index (NEI) along with day time (LD), night time (LN) average, and day-night (Ldn) noise levels were assessed for the selected traffic junctions. Moreover, spatial noise mapping was carried out using the geostatistical interpolation technique to evaluate the changes of traffic noise scenarios during the different time zones of the day. The Leq values in few traffic junctions exceeded the required noise standards. The study shows equivalent noise level ranging between 52.2–69.9 dB(A) during the morning (7–10 am), 52.4–69.3 dB(A) during noon (12 noon-2 pm), and 54.6–71.1 dB(A) during the evening (4–7 pm) hours, respectively.


Noise Mapping ◽  
2016 ◽  
Vol 3 (1) ◽  
Author(s):  
Sonia Alves ◽  
Joachim Scheuren ◽  
Beate Altreuther

AbstractNoise pollution is one of the major environmental problems affecting European citizens in urban areas. Although the Environmental Noise Directive is in force since 2002, there is still a gap between defined objectives and outcomes. The EU Seventh Environment Action Programme attempts to achieve the reduction of noise pollution by means of more effective European noise policies. This must be coupled with providing assistance to local administrations on dealing with existing noise problems, for example through Urban Sound Planners. The aim of this paper is to present the results of a systematic review of European projects addressing urban sound planning topics and furthermore an overview of the most relevant research results that can be applied by practitioners. In order to understand the European funding strategy, the most valued research topics (number of projects and funding support) are assessed. A key finding of this review is the disagreement between air traffic noise research funding and its importance on overall noise exposure. Another finding is that the scientific knowledge for urban sound planning exists but it requires adequately dissemination of results, among the policy makers and local authorities, who are usually responsible for policy implementation.


2014 ◽  
Vol 65 (3) ◽  
pp. 259-272 ◽  
Author(s):  
Angel M. Dzhambov ◽  
Donka D. Dimitrova ◽  
Tanya H. Turnovska

AbstractNoise pollution is one of the four major pollutions in the world. In order to implement adequate strategies for noise control, assessment of traffic-generated noise is essential in city planning and management. The aim of this study was to determine whether space syntax could improve the predictive power of noise simulation. This paper reports a record linkage study which combined a documentary method with space syntax analysis. It analyses data about traffic flow as well as field-measured and computer-simulated traffic noise in two Bulgarian agglomerations. Our findings suggest that space syntax might have a potential in predicting traffic noise exposure by improving models for noise simulations using specialised software or actual traffic counts. The scientific attention might need to be directed towards space syntax in order to study its further application in current models and algorithms for noise prediction.


2019 ◽  
Vol 8 (1) ◽  
pp. 34-52
Author(s):  
Elena Lezhneva ◽  
Katerina Vakulenko ◽  
Andrii Galkin

Abstract The problem of combating urban noise is closely linked to the rational transformation of the urban environment, which must go through the elimination or reduction of the number of sources of noise, the localization of the noise emission zone, reducing the level of sound sources and protection against noise for the residential areas. Theoretical and experimental studies of acoustic loading on the territory along the highway for the typical section of the urban territory have been conducted. To estimate the complex noise impact from all sources and from individual sources, as well as to predict the total noise exposure for this site, a noise map was constructed using software. As a measure to combat traffic noise in the territory along the highway, the location of the noise protection screen was justified, taking into account the loss of part of the national income as a result of the continuous impact of noise on a person.The results of the research allow to assess the degree of technogenic impact of noise pollution during the operation of the highway, which allows regulating, by administrative and legislative methods, the nature of the impact on natural objects and human health of certain types of activities, as well as reasonably proposing measures that ensure environmental safety when organizing urban streets traffic.


Author(s):  
Tao Huang ◽  
Ta-Chien Chan ◽  
Ying-Jhen Huang ◽  
Wen-Chi Pan

Metabolic syndrome is becoming more common worldwide. Studies suggest environmental pollution, including traffic noise, might be linked with metabolic syndrome. This study sought to evaluate how noise exposure is linked to the development of metabolic syndrome and its components in Taiwan. Using data from a cohort of 42,509 participants and Cox proportional hazards regression models, the effects of noise exposure on metabolic syndrome and its components were quantified. After adjustment for covariates (age, gender, body mass index, and physical activity), the hazard ratio for metabolic syndrome was 1.13 (95% CI: 1.04–1.22) for medium noise exposure and 1.24 (95% CI: 1.13–1.36) for high noise exposure. Noise exposure was also positively associated with all of metabolic syndrome’s components. This finding suggests noise exposure might contribute to metabolic syndrome and its components. Policies aiming to reduce noise pollution might reduce the risks of metabolic syndrome and its components.


Author(s):  
Abhishek Adkine ◽  
Kalyani Mahajan

Vehicular traffic contributes significantly to the pollution of air and neighborhood noise. Since there is increasing affirmation that ambient air pollution hurts reproductive health, which is less known regarding the relationship between traffic noise and pregnancy outcomes. Many researchers have investigated all the possible adverse effects of ambient air pollution on birth outcomes during the last decade or so. We examined these studies, which were discovered by thoroughly searching the major scientific databases. Overall, research suggests that air pollution and noise pollution significantly impact birth outcomes, while the quality of the deposition varies. Researchers utilized connected administrative health data sources to discover pregnancy outcomes with detailed covariate data (gender, contemporary lifestyle, total no of pregnancies, birth month and year, and so on), earnings and education, and mother housing history. Using the deterministic model (CadnaA) and air pollutants exposure, they assessed noise exposure during pregnancy by assessing temporally adjusted land-use regression. Noise exposure is related to reduced birth weight. We also looked into various processes to prevent air pollution and noise. As a result of the policy change and technical innovation, the government, authorities, and industry have been at the forefront of combating pollution. Pollution levels in and around people's homes and workplaces are typically beyond their control. However, few things may be done to mitigate the impacts of contaminated air.


Author(s):  
Sunil Kumar D. ◽  
Jose Jom Thomas ◽  
Prakash B. ◽  
Narayana Murthy M. R. ◽  
Sulochanadevi B. Chakrashali

Background: To assess the prevalence of health effects of noise exposure and the factors associated with it among people occupationally exposed to traffic noise in Mysuru city in Karnataka.Methods: A community based crossectional study was conducted for two months in Mysuru city in Karnataka. The sample size was calculated to be 280 and study participants were recruited from 70 selected locations in the city including all major traffic junctions with signal or traffic police control, covering all regions in the city. Four samples were assessed from each location by history taking and the ambient sound level was recorded from each location using a sound level meter. Data were entered in microsoft excel and analysed using SPSS version 22.Results: The prevalence of hearing loss among the study participants was 5.7% and 1.8% of people complained of tinnitus. Among the study participants, 8.9% had hypertension, 1.1% had cardiovascular disorders, 8.2% had sleeplessness, 6.4% had anxiety, 2.9% had irritability, and 5.7% reported a reduction working efficiency. The proportion of study participants with at least one health effect noise exposure was 26.07%. Only age group was significantly associated with the development of health effects among the exposed individuals.Conclusions: An alarming proportion of people working near traffic areas in Mysuru city are exposed to higher levels of noise and more than 25% of them show symptoms of auditory and/ or non-auditory health effects of noise pollution.


10.29007/bngd ◽  
2018 ◽  
Author(s):  
Alpesh Sankhat ◽  
C. B. Mishra ◽  
Shailesh Parmar

Road traffic noise is likely the most thorough and inescapable kind of noise pollution and is in charge of negative effects that are destructive to nature and the nature of group health of mankind. Residential area/towns close by roads are additionally casualty of the issue, extraordinarily have the high danger of hearing loss due to the traffic noise exposure. The Objectives of the present review were to concentrate the attributes of hearing loss and survey the predominance of hearing loss because of traffic on 52 people working 8 to 12 hours close to the periphery of NH 8E going through Una Town by performing audiometric test. Consequence of the present study demonstrates that hearing impairment are common in people persistently exposed to traffic noise. The effect of high-level traffic noise leads to temporary threshold shift and if any person is exposed to such noisy environment may suffer from permanent threshold shift after long period of time.


2017 ◽  
Vol 12 (1) ◽  
pp. 26 ◽  
Author(s):  
Thomas Münzel ◽  
Mette Sørensen ◽  
◽  

Noise exposure modifies the function of multiple organs and systems. Acute noise exposure – both in laboratory settings where traffic noise is simulated and in real-life working environments – can cause increases in blood pressure, heart rate and cardiac output. This review examines the effects of noise pollution on the cardiovascular system, with a particular focus on non-auditory effects such as noise-induced arterial hypertension.


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