Hektoen International

A Journal of Medical Humanities

Tag: pineal gland

  • A note on circadian clocks

    JMS Pearce Hull, England   I first started to enquire about circadian rhythms when wondering what it was that caused the periodicity of migraines in relationship to such diverse factors as emotions, tiredness, relaxation, hormonal changes, bright lights, and noise.1 The periodic threshold appeared susceptible to hypothalamic function, which in turn was modulated by seasonal…

  • The pineal: seat of the soul

    JMS Pearce Hull, England, United Kingdom   Fig 1. Pineal gland The pineal for millennia had been a structure of mystery. In Ancient Egyptian culture, The Eye of Horus was a sign of prosperity and protection, often referred to as the third eye. In Ayurvedic physiology it corresponds to the sixth chakra—Ajna, located in the…

  • Pushing back into chaos

    Kyra McComasSalt Lake City, Utah, United States Pain is perhaps the most useful yet most feared human experience. It has been crucial to our evolutionary development, but the modern era has sought to expunge it. The New York Times has reported that scientists may be able to use the genes from a woman who feels…

  • Nature telling her secrets: the Kepler–Descartes connection

    Ronald Fishman Chicago, Illinois, United States   Johannes Kepler (1571-1630) Nature tells us one secret in terms of another, and she may refuse to disclose one secret until another has been laid bare. – T.S. Kuhn1 In 1604, Johannes Kepler solved the problem of how light is refracted within the eye to produce an image on the…