Rapid-onset/offset, variably scheduled 60 Hz electric and magnetic field exposure reduces nocturnal serum melatonin concentration in nonhuman primates.

W. R. Rogers, Russel J Reiter, H. D. Smith, L. Barlow-Walden

Research output: Contribution to journalArticle

36 Citations (Scopus)

Abstract

Experiments with rodents indicate that power-frequency electric field (EF) or magnetic field (MF) exposure can suppress the normal nocturnal increase in melatonin concentration in pineal gland and blood. In a separate set of three experiments conducted with nonhuman primates, we did not observe melatonin suppression as a result of 6 weeks of day-time exposure to combined 60 Hz electric and magnetic fields (E/MF) with regularly scheduled "slow" E/MF onsets/offsets. The study described here used a different exposure paradigm in which two baboons were exposed to E/MF with "rapid" E/MF onsets/offsets accompanied by EF transients not found with slowly ramped E/MF onset/offset; profound reductions in nocturnal serum melatonin concentration were observed in this experiment. If replicated in a more extensive experiment, the observation of melatonin suppression only in the presence of E/MF transients would suggest that very specific exposure parameters determine the effects of 60 Hz E/MF on melatonin.

Original languageEnglish (US)
Pages (from-to)119-122
Number of pages4
JournalBioelectromagnetics
VolumeSuppl 3
StatePublished - 1995

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melatonin
electric field
Melatonin
Magnetic Fields
magnetic fields
blood serum
Primates
Serum
Pineal Gland
Papio
pineal body
Rodentia
exposure duration
Observation
rodents
blood

ASJC Scopus subject areas

  • Agricultural and Biological Sciences (miscellaneous)
  • Biophysics

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Rapid-onset/offset, variably scheduled 60 Hz electric and magnetic field exposure reduces nocturnal serum melatonin concentration in nonhuman primates. / Rogers, W. R.; Reiter, Russel J; Smith, H. D.; Barlow-Walden, L.

In: Bioelectromagnetics, Vol. Suppl 3, 1995, p. 119-122.

Research output: Contribution to journalArticle

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