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Journal of Biological Sciences

Year: 2010 | Volume: 10 | Issue: 2 | Page No.: 84-92
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Authors

Ka W. Cheung

Wudu E. Lado

Loren S. Martin

Linda S. St-Pierre

Michael A. Persinger

Keywords

Research Article

Cerebral Neurons in Rattus norvegicus Following a Mild Impact to the Skull: Equivalence of Modulation by Post-Impact Pregnancy or Exposure to Physiologically-Patterned Magnetic Fields

Ka W. Cheung, Wudu E. Lado, Loren S. Martin, Linda S. St-Pierre and Michael A. Persinger
The aim of the study was to discern if one natural (pregnancy) and one man made (patterned magnetic field) treatment could reduce the incidence of neuronal anomalies following very mild head trauma. For several weeks following an impact of mechanical energy to the skull that was sufficient to stun about 50% of female rats, conspicuous shrunken, darkly stained neuronal somas remained scattered within the cerebral cortices and lateral limbic region on the side of the impact. Rats that became pregnant and cared for young following the injury or that were exposed for a comparable duration to a 5 to 500 nT physiologically-patterned magnetic field that has been shown to reduce depression following closed head injuries in human patients showed half the numbers of areas containing these abnormal neuronal somas compared to females that remained virgins or were exposed to sham fields or to stronger (1.5 μT) intensities. The results support previous observations that oestrogen compounds and some patterns of magnetic fields can be neuroprotective following minor closed head injury and indicate their efficacy is similar in magnitude.
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How to cite this article

Ka W. Cheung, Wudu E. Lado, Loren S. Martin, Linda S. St-Pierre and Michael A. Persinger, 2010. Cerebral Neurons in Rattus norvegicus Following a Mild Impact to the Skull: Equivalence of Modulation by Post-Impact Pregnancy or Exposure to Physiologically-Patterned Magnetic Fields. Journal of Biological Sciences, 10: 84-92.

DOI: 10.3923/jbs.2010.84.92

URL: https://scialert.net/abstract/?doi=jbs.2010.84.92

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