Entrainment of the Circadian System of Mammals by Nonphotic Cues

Although light is the principal zeitgeber to the mammalian circadian system, other cues can be shown to have a potent resetting effect on the clock of both adult and perinatal mammals. Nonphotic entrainment may have both biological and therapeutic significance. This review focuses on the effect of b...

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Bibliographic Details
Published in:Chronobiology international 1998-01, Vol.15 (5), p.425-445
Main Authors: Hastings, Michael H., Duffield, Giles E., Smith, Emma J. D., Maywood, Elizabeth S., Ebling, Francis J. P.
Format: Article
Language:English
Subjects:
Animals
Arousal
Behavior, Animal
Benzodiazepine
Biological and medical sciences
Brain - physiology
Chronobiology
Circadian Rhythm - physiology
Cues
Dopamine
Fundamental and applied biological sciences. Psychology
GABA
Humans
Hypothalamus - physiology
Intergeniculate leaflet
Light
Mammals - physiology
Melatonin
Neuropeptide Y
Neuropeptides - physiology
Retina - physiology
Serotonin
Suprachiasmatic Nucleus - physiology
Vertebrates: anatomy and physiology, studies on body, several organs or systems
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Summary:Although light is the principal zeitgeber to the mammalian circadian system, other cues can be shown to have a potent resetting effect on the clock of both adult and perinatal mammals. Nonphotic entrainment may have both biological and therapeutic significance. This review focuses on the effect of behavioral arousal as a nonphotic cue and the neurochemical circuitry that mediates arousal-induced entrainment in the adult rodent. In addition, it considers the role of nonphotic entrainment of the developing circadian system in perinatal life prior to the establishment of retinal input to the clock.
ISSN:0742-0528
1525-6073
DOI:10.3109/07420529808998700