Results 181 to 190 of about 11,678 (220)
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Melatonin, light and chronobiological disorders.

Ciba Foundation symposium, 1986
Human plasma melatonin concentrations can be measured accurately and sensitively by gas chromatography-negative chemical ionization mass spectrometry. With this assay, we have shown that: in rats and in humans, plasma melatonin is exclusively derived from the pineal gland; propranolol and clonidine reduce melatonin levels in human; some blind people ...
A J, Lewy, R L, Sack, C M, Singer
openaire   +1 more source

Relevance of the Chronobiological and Non-chronobiological Actions of Melatonin for Enhancing Therapeutic Efficacy in Neurodegenerative Disorders

Recent Patents on Endocrine, Metabolic & Immune Drug Discovery, 2011
Melatonin is an indolamine with a large spectrum of functions that can be divided into chronobiotic and nonchronobiotic. Chronobiotic effects are mediated by the daily rhythm of melatonin in the plasma due to nocturnal pineal synthesis, whereas the melatonin produced by other cells, such as gastrointestinal and immune competent cells, is independent of
Erika, Cecon, Regina P, Markus
openaire   +2 more sources

Chronobiology of Human Sleep and Sleep Disorders

1992
Across cultures and through the millenia humans have not only adapted to but organized their existence around periodicities present in their environment and within themselves. “While the earth remaineth,” the author of Genesis writes, “seedtime and harvest, and cold and heat, and summer and winter, and day and night shall not cease.” But while numerous
B. Hayes, C. A. Czeisler
openaire   +1 more source

[Chronobiological treatments of mood disorders].

Duodecim; laaketieteellinen aikakauskirja, 2014
Chronobiological treatments are non-pharmacological treatments that influence the circadian rhythms and the physiology of sleep. In these treatments, the sleep-wake cycle and exposure to environmental stimuli affecting the biological rhythms are controlled.
Anna Sofia, Urrila, Timo, Partonen
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Chronobiological Aspects of Sleep Disorders

1987
The regular change between sleep and wakefulness or activity within the 24 h day is accompanied by variations in physiological functions so extensive that formerly it was believed to be the only reason for the day-night changes of bodily functions. Once modern chronobiology was able to prove that these daily rhythmic variations continue under constant ...
openaire   +1 more source

[Affective disorders: News in chronobiological models].

L'Encephale, 2011
Good news on chronobiological models of affective disorders are coming from a therapeutic innovation in the field of antidepressive action. Coming back to fundamentals by reconsidering the importance of the role of biological rhythms impairment in dysthymic pathology, a new interest bored on studies exploring short periodicities, so-called "ultradian ...
D, Pringuey   +9 more
openaire   +1 more source

[Chronobiological sleep disorders and their treatment possibilities].

Therapeutische Umschau. Revue therapeutique, 1994
A temporal discrepancy between the endogenous sleep-wake cycle and the daily structure of the surrounding social network are characteristic for chronobiological sleep disturbances. Activity rhythms that are in abnormal relation to the environment are more frequent than commonly assumed.
D P, Brunner, A, Wirz-Justice
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Chronobiological disorders

Current Opinion in Psychiatry, 1995
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