Magnetoreception in Rodents: Involvement of the Eyes and the Pineal Organ may be Evidence for a Chronobiological Substrate

  • James M. Olcese
Part of the Circadian Factors in Human Health and Performance book series (CFHH)


For centuries the idea that animals respond to ambient magnetic fields (MF) has been restricted largely to speculations based on rare observations in the field. However, in the past few decades a slow but gradual increase in scientific interest has begun to delineate some aspects of magnetoreception in vertebrates (Adey, 1981; Gould, 1983; Kirschvink, 1989). The ultimate goal of these studies has been, and continues to be, the identification of physiological and anatomical components of a magnetoreceptor.


Ground Squirrel Magnetic Field Effect Pineal Organ Ambient Magnetic Field Melatonin Content 
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© Birkhäuser Boston 1992

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  • James M. Olcese

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