Skip to main content

Currently Skimming:

Perception and Behavioral Effects of Electromagnetic Fields
Pages 45-52

The Chapter Skim interface presents what we've algorithmically identified as the most significant single chunk of text within every page in the chapter.
Select key terms on the right to highlight them within pages of the chapter.


From page 45...
... Perceptual and behavioral responses to very low levels of EMFs at low frequency and above have not been reported in humans, and there are no mechanisms at DC or ELF that might imply as yet unreported responses, although they cannot be excluded. There is a considerable literature on perception and behavioral responses to stimulation at magnitudes consistent with direct electrical stimulation of nervous tissues by induced currents in the tissue, but they are limited to the frequency ranges that stimulate excitable membranes.
From page 46...
... Epidemiologic studies of groups of people occupationally or environmentally exposed to electromagnetic fields in the RF and ELF range have yielded perceptual and behavioral responses, including fatigue, ~ a, concentrating, and increased frequency of headaches. A number of researchers have used disruption of behavior patterns, such as work stoppage, to study the effect of RF fields on animals, including rodentsi~~~3 and monkeys.~4 Several carrier frequencies, field zones, and modulation characteristics were used.
From page 47...
... An epidemiologic study of the personnel in the American embassy in Moscow found an excess of the same neurasthenic symptoms, but the symptoms were not correlated with measured individual exposures.20 Eastern European investigators have also reported on rats and rabbits exposed for one to several hours a day over periods of weeks or months. Power densities ranging from 0.6 to 30,000 ,uW/cm2 were reported to alter conditional reflexes2i and decrease latency of audiogenic seizures.22 Attempts to confirm the findings were made by several investigators; some effects of exposure to RF fields were found, but most were at higher field intensities, and in general the results did not support the findings from Eastern Europe.
From page 48...
... throughout gestation and during the first ~ days of postnatal life.28 Both acquisition and extinction of a schedule-controlled response were affected in the exposed animals. In contrast, other studies failed to find an effect of exposure to ELF fields on behav~or.29 30 Exposure to 60-Hz electric fields (30 or 60 kV/m)
From page 49...
... 1975. Synchronization of cortical neurons by a pulsed microwave field as evidenced by spectral analysis of electrocorticograms from the white rat.
From page 50...
... 1978. Foreign Service Health Status Study-Evaluation of the Health Status of Foreign Service and Other Employees from Selected Eastern European Posts.
From page 51...
... 1990. Prenatal exposure to low-frequenc y electromagnetic field demasculinizes adult scent marking behavior and increases accessory sex organ weights in rats.
From page 52...
... 1976. Exposure of domestic fowl to ELF electric and magnetic fields.


This material may be derived from roughly machine-read images, and so is provided only to facilitate research.
More information on Chapter Skim is available.