Journal article
Tests for Human Perception of 60 Hz Moderate Strength Magnetic Fields
IEEE transactions on biomedical engineering, Vol.BME-25(6), pp.509-518
11/1978
DOI: 10.1109/TBME.1978.326284
PMID: 744597
Abstract
After preliminary experiments that pointed out the extreme cleverness with which perceptive individuals unintentionally used subtle auxiliary clues to develop impressive records of apparent magnetic field detection, we developed a heavy, tightly sealed subject chamber to provide extreme isolation against such false detection. A large number of individuals were tested in this isolation system with computer randomized sequences of 150 trials to determine whether they could detect when they were, and when they were not, in a moderate (7.5-15 gauss rms) alternating magnetic field, or could learn to detect such fields by biofeedback training. In a total of over 30,000 trials on more than 200 persons, no significantly perceptive individuals were found, and the group performance was compatible, at the 0.5 probability level, with the hypothesis that no real perception occurred.
Details
- Title: Subtitle
- Tests for Human Perception of 60 Hz Moderate Strength Magnetic Fields
- Creators
- Robert D Tucker - Biophysics Group, 200 T.N.C.E., Electrical Engineering, University of MinnesotaOtto H Schmitt - Biophysics Group, 200 T.N.C.E., Electrical Engineering, University of Minnesota
- Resource Type
- Journal article
- Publication Details
- IEEE transactions on biomedical engineering, Vol.BME-25(6), pp.509-518
- Publisher
- IEEE
- DOI
- 10.1109/TBME.1978.326284
- PMID
- 744597
- ISSN
- 0018-9294
- eISSN
- 1558-2531
- Language
- English
- Date published
- 11/1978
- Academic Unit
- Roy J. Carver Department of Biomedical Engineering; Pathology
- Record Identifier
- 9984046911102771
Metrics
11 Record Views