http://worldcat.org/entity/work/id/907860236

Ultradian rhythms from molecules to mind a new vision of life

Ultradian rhythms play an essential part at all levels of biological organization, providing timekeeping for intracellular processes, playing various roles in intracellular signalling systems and underpinning coherent behaviour in tissues and organs. They are crucial to endocrine and neural performance and in psychobiology. This book brings together the evidence for these findings. In lower eukaryotes short-period rhythms (period 30-70 min) are coupled to an ultradian clock which serves as a central timekeeper. In metazoans, similar rhythms are necessary for intercell communications, and tempo.

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