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首页> 外文期刊>Journal of the Association of Environmental and Resource Economists >Particle Pollution and Cognition: Evidence from Sensitive Cognitive Tests in Brazil
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Particle Pollution and Cognition: Evidence from Sensitive Cognitive Tests in Brazil

机译:粒子污染和认知:巴西敏感认知测试的证据

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摘要

This paper analyzes the impact of short-term exposure to fine particulate matter (PM2.5) on the cognitive performance of students who were tested on a range of sensitive tests at a large university in Brazil. To examine whether the effect of PM2.5 varies by cognitive domain, we employ tests measuring simple attention, complex attention, arithmetic processing speed, working memory, and fluid reasoning. Exploiting plausibly exogenous variation in fine particulate matter-which easily penetrates indoor settings-across 54 lab sessions over a 3-year period with 464 students, we find evidence suggesting that exposure to high levels of PM2.5 reduces performance on a fluid reasoning test. By contrast, we do not find evidence to support an effect of PM2.5 on the other cognitive tests, although we are underpowered to detect modest effects on these tests.
机译:本文分析了短期暴露于细颗粒物质(PM2.5)对在巴西一大大学的一系列敏感试验中测试的学生的认知性能的影响。 为了检查PM2.5的效果是否因认知域而异,我们采用了测量简单的关注,复杂的注意力,算术处理速度,工作记忆和流体推理的测试。 利用细颗粒物质的可编征外源性变化 - 这在3年内的3年期间容易穿过室内环境 - 464名学生,我们发现有证据表明,暴露于高水平的PM2.5降低了流体推理测试的性能。 相比之下,我们没有发现证据支持PM2.5对其他认知测试的影响,尽管我们受到对这些测试的适度影响。

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