Magnetic field effects on spatial discrimination and melatonin levels in mice

Physiology & Behavior
R L LevineT D Bluni

Abstract

Previous research has demonstrated a decrement in spatial discrimination learning following exposure to a .30 Tesla magnetic field. It had been suggested that those findings might be the result of an interaction between the magnetic field and physiological ferromagnetic material (magnetite). In the present study, mice were exposed for 100 min to a 2.0 Tesla field and both their left-right discrimination learning ability and serum melatonin levels were compared with a control group. Results indicated a significant interference with spatial discrimination learning following exposure, but no significant differences in serum melatonin levels. These findings appeared to rule out magnetically induced melatonin fatigue as an explanation of the decrement in spatial learning, as opposed to other possibilities such as magnetic effects on brain magnetite. However, additional controls are suggested for future research.

References

Aug 15, 1992·Proceedings of the National Academy of Sciences of the United States of America·J L KirschvinkB J Woodford
Jan 1, 1981·Bio Systems·J L Kirschvink, J L Gould
Mar 1, 1994·Physiology & Behavior·R L Levine, T D Bluni

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Citations

Jan 1, 1997·The Journal of Alternative and Complementary Medicine : Research on Paradigm, Practice, and Policy·R Sandyk
Jan 14, 1999·Journal of Pineal Research·M KarasekJ Swietoslawski
Jun 24, 2008·Electromagnetic Biology and Medicine·Mohamed AmmariHafedh Abdelmelek
Nov 24, 2004·Progress in Biophysics and Molecular Biology·Richard Saunders
Jun 18, 2009·Orvosi hetilap·János László
Jun 24, 2003·Bioelectromagnetics·Michael Levin

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