Neuropsychological sequelae of 50 Hz magnetic fields
Authors not listed · 2001
Most cognitive tests showed no effect of 50 Hz magnetic field exposure, but verbal recall and trail-making performance were impaired.
Plain English Summary
The study examined 30 human volunteers. Volunteers were exposed to a 28 microT circularly polarized 50 Hz magnetic field for 50 minutes in a double-blind crossover design. The majority of cognitive measures showed no significant effect of exposure. Verbal recall of a 15-word list after interference was significantly impaired during field exposure. Performance on a trail-making task requiring executive functioning also decreased with exposure.
Why This Matters
The verbal recall impairment indicated a reduction in short-term memory for words. Baseline scores were slightly higher in the field-on condition but within normal variation. Participants performed verbal and written cognitive tests while seated inside the coil system. A second test session using alternate versions began 20 minutes into the exposure period.
Exposure Information
Specific exposure levels were not quantified in this study.
Show BibTeX
@article{neuropsychological_sequelae_of_50_hz_magnetic_fields_ce1529,
author = {Unknown},
title = {Neuropsychological sequelae of 50 Hz magnetic fields},
year = {2001},
doi = {10.1080/095530000110038716},
}