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- 2019
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Tidskriftsartikel (refereegranskat)
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- Botteldooren, D, et al.
(författare)
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Perceived Noise Annoyance Caused by Maglev Trains. Management Summary.
- 2005
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Rapport (övrigt vetenskapligt/konstnärligt)abstract
- The annoyance impact in realistic settings of traffic noise was assessed for one, two or four train passages, primarily high-speed trains, or continuous road traffic noise. An innovative system for selecting representative participants from the Dutch population was implemented, as regards a number of critical variables (age, gender, level of education, noise sensitivity, reported anxiety, home exposure to train and road traffic noise, general quality of living environment, and general health). In total, 1500 candidate participants responded to the specifically constructed questionnaire with items from a nation-wide Dutch survey and the Eurobarometer. Participants with typical Dutch response profile were recruited on a first come, first serve basis (in total 80 plus 21 extra persons. In the experiment, 5-7 participants were seated to be relaxed and to be reading a magazine or newspaper. The were served refreshments. Traffic noise was reproduced in outdoor loudspeakers in an ecologically valid way. Every 10 min, participants were asked to assess noise annoyance. At the beginning and at brief intervals during the experiment, participants assessed the annoyance of a set of 7 reference sounds utilized for master scaling. At the same average façade exposure, no significant annoyance difference was neither found for Maglev and TGV, nor for conventional trains and the high-speed trains (only tested up to 65 dBA). The latter result contradicts Vos et al.’s earlier findings. Neugebauer at al.’s results fall within the spread in annoyance values due to distance to the track and vehicle speed that we observed. Field surveys have shown that for the same average sound level, railway noise evokes less annoyance than dense road traffic noise, at least for a certain interval of levels. Although our experiment included several of the factors that may contribute to this effect, we were unable to observe this kind of effect, except for the case when the sounds were recorded at a distance of more than 100 m.
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- Dzhambov, A. M., et al.
(författare)
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Protective effect of restorative possibilities on cognitive function and mental health in children and adolescents: A scoping review including the role of physical activity
- 2023
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Ingår i: Environmental Research. - 0013-9351 .- 1096-0953. ; 233
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Forskningsöversikt (refereegranskat)abstract
- Background The exposome approach can be a powerful tool for understanding the intertwining of social, physical, and internal influences that shape mental health and cognitive development throughout childhood. To distil conceptual models for subsequent analyses, the EU-funded project Early Environmental quality and Life-course mental health effects (Equal-Life) has conducted literature reviews on potential mediators linking the expo some to these outcomes. We report on a scoping review and a conceptual model of the role of restorative possibilities and physical activity. Methods Peer-reviewed studies published since the year 2000 in English, on the association between the exposome and mental health/cognition in children/adolescents, and quantitatively investigating restoration/restorative quality as a mediating variable were considered. Database searches were last updated in December 2022. We used an unstructured expert-driven approach to fill in gaps in the reviewed literature.Results Five records of three distinct studies were identified, indicating a scarcity of empirical evidence in this newly developing research area. Not only were these studies few in numbers, but also cross-sectional, lending only tentative support to the idea that perceived restorative quality of adolescent's living environment might mediate the association between greenspace and mental health. Physical activity emerged as a mediator leading to better psychological outcomes in restorative environments. We provide a critical discussion of potential caveats when investigating the restoration mechanism in children and propose a hierarchical model including restoration, physical activity, and relational dynamics between children and their environment, including social context, as well as restorative environments other than nature.Conclusions It is justified to further explore the role of restoration and physical activity as mediators in the association between early-life exposome and mental health/cognitive development. It is important to consider the child perspective and specific methodological caveats. Given the evolving conceptual definitions/operationalizations, Equal-Life will attempt to fill in a critical gap in the literature.
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