The Effects of Environmental Tobacco Smoke
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2018-07-01
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en
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Abstract
Environmental tobacco smoke (ETS) exposure remains prevalent worldwide. ETS exposure seems to have a major effect on young people and is associated with a range of physical and mental health-related problems among youth. However, the neurobiological effects of ETS exposure are unknown. A better understanding of ETS influences and their underlying mechanisms is essential. Therefore, the present study investigated the influence of ETS exposure on brain activation associated with smoking cue-reactivity and inhibitory control. Concurrent with functional magnetic resonance imaging (fMRI), non-smoking adolescents aged 14-18 years (N=30) performed a cue-reactivity task, which assessed reactivity to smoking cues, and a Go/NoGo task, which measured inhibitory control. ETS exposure was measured using a self-report questionnaire. Results indicated no significant effect of ETS exposure on brain activation associated with smoking cue-reactivity and inhibitory control. On the behavioural level, there was no influence of ETS exposure on inhibitory control. Together, these findings suggest that ETS exposure does not lead to salience to smoking cues and deficits in inhibitory control on the neurobiological and behavioural level. Longitudinal research is needed to clarify the exact effect of lifetime ETS exposure on brain activation. Keywords: ETS exposure,
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Faculteit der Sociale Wetenschappen