Abstract
Since 1980 we have assessed individuals who report electromagnetic sensitivity and “hearing voices” who do not display formal thought disorder but are clearly distressed by their experiences. Their intellectual levels and memory scores are average to above average with no neuropsychological impairment although right prefrontal deficits have been discernable. They exhibit experimentally verifiable sensitivity to physiologically-patterned magnetic fields at intensities they could encounter in their habitats. Considering the previous evidence that the parahippocampal region in the right hemisphere is sensitive to geomagnetic and experimentally generated weak, physiologically-patterned magnetic fields, these individual should display anomalous activity within the temporal lobes according to classic electroencephalographic measurements but with specific enhancements of current source density as measured by Low Resolution Electromagnetic Tomography (LORETA) in the right parahippocampal region. A middle-aged woman who displayed characteristics typical of this population exhibited persistent and conspicuous enhanced power in the low beta-range over the temporal lobes and specific changes in current source densities within the left inferior temporal gyrus and right parahippocampal region. This configuration could be helpful to differentiate this population. Given the increasing density and complexity of electromagnetic fields generated by commercial and private sources the prevalence of this subpopulation is expected to increase during the next decades.
Highlights
Since 1980 we have assessed individuals who report electromagnetic sensitivity and “hearing voices” who do not display formal thought disorder but are clearly distressed by their experiences
Because a focus of our clinical laboratory (Persinger, 2001; 2003; St-Pierre and Persinger, 2006) is experimentally eliciting the “sense of a presence” by physiologically-patterned magnetic fields over the right temporal lobe at intensities that could be encountered in the modern habitat, we have been able to test the “electromagnetic sensitivity” directly
In most cases transcerebral applications of weak physiologically patterned magnetic fields generated from computer software across the temporal lobes while the patient sits blindfolded within a comfortable chair within a darkened quiet room encourage the feeling of “others” or the “sensed presence” in sensitive subjects as indicated by their electroencephalographic (EEG) responsiveness (Saroka and Persinger, 2013)
Summary
Since 1980 we have assessed individuals who report electromagnetic sensitivity and “hearing voices” who do not display formal thought disorder but are clearly distressed by their experiences. Testing of Hypothesis: A middle-aged woman who displayed characteristics typical of this population exhibited persistent and conspicuous enhanced power in the low beta-range over the temporal lobes and specific changes in current source densities within the left inferior temporal gyrus and right parahippocampal region.
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