Outdoor and indoor sources of residential radiofrequency electromagnetic fields, personal cell phone and cordless phone use, and cognitive function in 5–6 years old children

Guxens, Mònica; Vermeulen, Roel; Eijsden, Manon van; Beekhuizen, Johan; Vrijkotte, Tanja G. M.; Strien, R.T. van; Kromhout, Hans; Huss, Anke

doi:10.1016/j.envres.2016.06.021

Cited by 42 publications

(43 citation statements)

References 36 publications

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“…A relatively larger proportion of children used a CP, compared to a MP, which is similar to that found in the Netherlands [14]. The number MP and CP calls reported in our study is also comparable to that observed elsewhere [3, 14].…”

Section: Discussionsupporting

confidence: 90%

“…In the US, the use of MPs in children (aged 8 years and under) increased from 38 to 72% during 2011–2013 [21], In Europe, 33–83% of children aged up to 14 years [2, 4, 22], and 48% of Dutch children aged 5–6 years either used or owned a MP [14]. …”

Section: Discussionmentioning

confidence: 99%

“…However, there are few community-based epidemiological studies involving children that assessed effects of MP and/or CP use on cognitive functioning [1, 10–12, 14]. The findings of these studies are inconclusive [1, 11, 12, 14]. A recent Swiss study involving adolescents found a negative association between MP and CP use with figural memory [11].…”

Section: Introductionmentioning

confidence: 99%

“…A recent Swiss study involving adolescents found a negative association between MP and CP use with figural memory [11]. The Amsterdam Born Children and their Development (ABCD) study showed inconsistent associations between MP and CP use and cognitive function [14]. Furthermore, our cross-sectional analysis of the ExPOSURE (Examination of Psychological Outcomes in Students Using Radiofrequency dEvices) study found little evidence for an association between the use of MPs and CPs and cognitive effects in a cohort of primary school children in Australia [10].…”

Section: Introductionmentioning

confidence: 99%

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Use of mobile and cordless phones and change in cognitive function: a prospective cohort analysis of Australian primary school children

Bhatt¹,

Benke²,

Smith³

et al. 2017

Environ Health

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BackgroundSome previous studies have suggested an association between children’s use of mobile phones (MPs)/cordless phones (CPs) and development of cognitive function. We evaluated possible longitudinal associations between the use of MPs and CPs in a cohort of primary school children and effects on their cognitive function.MethodsData on children’s socio-demographics, use of MPs and CPs, and cognitive function were collected at baseline (2010–2012) and follow-up (2012–2013). Cognitive outcomes were evaluated with the CogHealth™ test battery and Stroop Color-Word test. The change in the number of MP/CP voice calls weekly from baseline to follow-up was dichotomized: “an increase in calls” or a “decrease/no change in calls”. Multiple linear regression analyses, adjusting for confounders and clustering by school, were performed to evaluate the associations between the change in cognitive outcomes and change in MP and CP exposures.ResultsOf 412 children, a larger proportion of them used a CP (76% at baseline and follow-up), compared to a MP (31% at baseline and 43% at follow-up). Of 26 comparisons of changes in cognitive outcomes, four demonstrated significant associations. The increase in MP usage was associated with larger reduction in response time for response inhibition, smaller reduction in the number of total errors for spatial problem solving and larger increase in response time for a Stroop interference task. Except for the smaller reduction in detection task accuracy, the increase in CP usage had no effect on the changes in cognitive outcomes.ConclusionOur study shows that a larger proportion of children used CPs compared to MPs. We found limited evidence that change in the use of MPs or CPs in primary school children was associated with change in cognitive function.

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Section: Discussionsupporting

confidence: 90%

Section: Discussionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Use of mobile and cordless phones and change in cognitive function: a prospective cohort analysis of Australian primary school children

Bhatt¹,

Benke²,

Smith³

et al. 2017

Environ Health

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“…Additionally, models of the exposure of mobile stations have been created using maps and computer tools (Bechet et al, 2015;Bolte and Eikelboom, 2012;Calvente et al, 2015;Guxens et al, 2016;Urbinello et al, 2014c). The short term exposure variations have also been studied (Bolte and Eikelboom, 2012).…”

Section: Introductionmentioning

confidence: 99%

Long term variations measurement of electromagnetic field exposures in Alcalá de Henares (Spain)

Montero

Alén-Cordero

López-Espí

et al. 2017

Science of The Total Environment

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Electromagnetic radiowave exposure is a major concern in most countries due to possible adverse health effects. Over the last 10 years, many technological changes (digital television, (EMF) levels.A large number of studies devoted to the analysis of EMF levels with personal dosimeters or computer models of the exposure of mobile stations have been conducted. However, the study of the exposure values, taking into account all the existing sources, and their evolution in a wide area, using measurements, has rarely been performed.In this paper, we provide a comparison of the EMF exposure levels for the city of Alcalá de Henares (Spain) over a ten-year period using a broadband isotropic probe in the range from 100 kHz to 3 GHz. A statistical and spatial analysis of the measurements and their variations are also presented for the study of the global and local variations.The measured values in the period from 2006 to 2015 were ranging from 0.02 to 2.05 V/m. Our global results show a moderate increase from 2006 to 2010 and they are almost invariant from 2010 to 2015. Although the whole dataset does not have relevant statistical difference, we have found marked local differences. In the city areas where the population density has remained unaltered, we have measured lower exposure levels. Conversely, new urban and industrial developments have demanded new resources which have potentially contributed to the observed increase in the measured electric field levels within these areas.

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Acute effects of radiofrequency electromagnetic field emitted by mobile phone on brain function

Zhang

Sumich

Wang

2017

Bioelectromagnetics

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Due to its attributes, characteristics, and technological resources, the mobile phone (MP) has become one of the most commonly used communication devices. Historically, ample evidence has ruled out the substantial short-term impact of radiofrequency electromagnetic field (RF-EMF) emitted by MP on human cognitive performance. However, more recent evidence suggests potential harmful effects associated with MP EMF exposure. The aim of this review is to readdress the question of whether the effect of MP EMF exposure on brain function should be reopened. We strengthen our argument focusing on recent neuroimaging and electroencephalography studies, in order to present a more specific analysis of effects of MP EMF exposure on neurocognitive function. Several studies indicate an increase in cortical excitability and/or efficiency with EMF exposure, which appears to be more prominent in fronto-temporal regions and has been associated with faster reaction time. Cortical excitability might also underpin disruption to sleep. However, several inconsistent findings exist, and conclusions regarding adverse effects of EMF exposure are currently limited. It also should be noted that the crucial scientific question of the effect of longer-term MP EMF exposure on brain function remains unanswered and essentially unaddressed. Bioelectromagnetics. 38:329-338, 2017. © 2017 Wiley Periodicals, Inc.

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Outdoor and indoor sources of residential radiofrequency electromagnetic fields, personal cell phone and cordless phone use, and cognitive function in 5–6 years old children

Cited by 42 publications

References 36 publications

Use of mobile and cordless phones and change in cognitive function: a prospective cohort analysis of Australian primary school children

Use of mobile and cordless phones and change in cognitive function: a prospective cohort analysis of Australian primary school children

Long term variations measurement of electromagnetic field exposures in Alcalá de Henares (Spain)

Acute effects of radiofrequency electromagnetic field emitted by mobile phone on brain function

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