7-year (circaseptennian) patterns in psychology and biology? Comment on Verhulst and Onghena

Author(s): Sothern, R. B., Halberg, F.

Journal/Book: Psychol Rep. 1998; 82: P O Box 9229, Missoula, MT 59807. Psychological Reports. 483-487.

Abstract: Nonlinear rhythmometry confirms a pattern of about 7 years, describing the number of births by birth year of quantum fathers reported by Verhulst and Onghena in 1996 and estimates the period to be 6.53 years with a 95% confidence interval overlapping 7 years. Other patterns of about 7 years are found in biology, as shown herein for the mean gonadal weight of an echinoderm (the purple sea urchin) and a mollusk (the black chiton). A number of periodic components with different frequencies, some shown to be genetically anchored, await applications in psychology as well as in other fields of medicine and biology.

Note: Article Halberg F, Univ Minnesota, Lyon Labs 5187, Chronobiol Labs, 420 Washington Ave Se, Minneapolis,MN 55455 USA

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