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Perceptibility of simulated VLF-sferics
R Klöpper1, R Stark, A Schienle
1Institute for Pychobiology and Behavioral Medicine, Justus-Liebig University of Giessen, Germany.
Perceptual and Motor Skills
|September 22, 2001
Summary
This study investigated if humans can consciously detect simulated sferics, natural electromagnetic fields linked to weather. Results showed no conscious perception or learning of sferics, suggesting weather sensitivity may not stem from direct signal detection.
Area of Science:
- Electromagnetic fields
- Human perception
- Psychophysiology
Background:
- Sferics are natural electromagnetic fields associated with weather phenomena.
- Some research suggests sferics may contribute to "weather sensitivity syndrome."
Purpose of the Study:
- To determine if humans can consciously perceive psychophysiological changes when exposed to simulated sferics.
- To investigate the link between sferics exposure and perceived weather sensitivity.
Main Methods:
- 63 participants were trained to discriminate between the presence and absence of simulated sferics.
- A learning paradigm with 80 judgments was used, reinforced by acoustic signals.
- A monetary reward was offered for the best performance.
Main Results:
- Participant performance in discriminating sferics did not differ significantly from random chance.
- No evidence of learning or conscious perception of simulated sferics was found.
- Individuals reporting fewer recent bodily complaints scored higher in the discrimination task.
Conclusions:
- Humans cannot consciously perceive simulated sferics.
- The study does not support the hypothesis that weather sensitivity syndrome is caused by conscious perception of sferics.
- Further research is needed to understand the mechanisms behind weather sensitivity.

