Are media reports able to cause somatic symptoms attributed to WiFi radiation? An experimental test of the negative expectation hypothesis

Authors: Bräscher AK, Raymaekers K, Van den Bergh O, Witthöft M

Year: 2017 Mar 31

Category: Environmental Research

Journal: Environ Res

DOI: 10.1016/j.envres.2017.03.040

URL: https://www.ncbi.nlm.nih.gov/pubmed/28371755

Abstract

Overview

Individuals with idiopathic environmental intolerance attributed to electromagnetic fields (IEI-EMF) report experiencing various non-specific symptoms which they associate with EMF exposure. Despite extensive studies, the true cause of these symptoms leans more toward psychological factors rather than direct electromagnetic effects.

Findings

  • An experimental setup involved 65 healthy participants who were informed that exposure to EMF might enhance their perception of somatosensory signals.
  • Participants watched either a negative or neutral media report on EMF. Subsequently, their responses to tactile stimuli were analyzed under sham WiFi conditions.
  • Results indicated that exposure to negative media reports increased the perceived intensity of tactile stimuli among viewers, particularly in those already prone to amplifying somatosensory experiences.
  • The group exposed to negative media reports also displayed an increased anxiety levels about WiFi, with a tendency to consider themselves more sensitive to EMF post-experiment.

Conclusion

Media portrayal of EMF risks can influence perception, leading to increased sensitivity and anxiety towards EMF exposure. This supports the view that sensationalized media coverage might trigger a nocebo effect, contributing to the prevalence of IEI-EMF. The study points to the significant role of psychological factors in the perception of technology-related health risks.

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