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214 results on '"Weitzman, E. D"'

14. Cortisol is secreted episodically by normal man

Author

Curti, J, Ellman, S, Fukushima, D. K, Gallagher, T. F, Hellman, L, Kream, J, Nakada, F, Roffwarg, H, and Weitzman, E. D

Subjects
Biosciences
Abstract

Human cortisol intermittent secretion during early morning sleep and sleep-wake cycle, examining adrenal activity

Published
1970

22. Absence of nystagmus during REM sleep in a patient with waking nystagmus and oscillopsia.

Author

Tauber, Edward S., Weitzman, Elliot D., Herman, John, Pessah, Michael, Tauber, E S, Weitzman, E D, Herman, J, and Pessah, M

Abstract

Polygraphic recording is presented of the sleep pattern in a young male who developed nystagmus and oscillopsia associated with a remittent CNS demyelinating disease. The vestibular nystagmus observed during wakefulness disappeared during all stages of sleep, including rapid eye movement sleep (REM). Since vestibular nystagmus experimentally induced in wakefulness is also absent during all phases of sleep, these findings suggest that during sleep similar suppressive mechanisms are operative. [ABSTRACT FROM AUTHOR]

Published
1973

23. Relaxin immunoactivity in human plasma during a 24-hr period

Author

Bryant, Gillian D., Sassin, J. F., Weitzman, E. D., Kapen, S., and Frantz, A.

Abstract

Summary.Relaxin was secreted episodically in all 6 human subjects studied. A 24-hr rhythm was detected in the pooled data, with maximum secretion in the early–mid-morning hours and a nadir in the early evening.

Published
1976
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24. Examination for Optokinetic Nystagmus in Sleep and Waking

Author

Gardner, R. and Weitzman, E. D.

Abstract

OPTOKINETIC nystagmus (OKN) is an eye movement pattern comprised of fast and slow components which arise as a fixation-refixation phenomenon when a differentiated visual field is moving before the subject. It has been said that when the visual field is covered with a moving optokinetic stimulus, an obligatory nystagmoid response will occur.1,2When properly tested, this has been demonstrated frequently, even in neonates.3,4 The response will occur despite severe visual limitations, in terms of field defect or visual acuity,5,6 Pasik and Pasik7 found that in monkeys only a very small amount of unilateral striate cortex is necessary for a bilaterally active response. Although it is generally accepted that this is a cortical phenomenon in primates, some monkeys recovered the response months after complete bilateral occipital ablation.An asymmetric response has been used for many years as a clinical test to determine the lateralization of hemispheric

Published
1967
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27. Abnormal 24 hour pattern of melatonin secretion in depression.

Author

Mendlewicz, Julien, Linkowski, Paul, Branchey, L, Weinberg, U, Weitzman, E D, Branchey, M, Mendlewicz, Julien, Linkowski, Paul, Branchey, L, Weinberg, U, Weitzman, E D, and Branchey, M

Abstract

Comparative Study, Letter, SCOPUS: le.j, info:eu-repo/semantics/published

Published
1979

48. Timing of REM and stages 3 + 4 sleep during temporal isolation in man.

Author

Weitzman ED, Czeisler CA, Zimmerman JC, and Ronda JM

Subjects
Adult, Body Temperature, Cues, Humans, Male, Social Isolation, Circadian Rhythm, Sleep Stages, Sleep, REM
Abstract

During nonentrained sleep--wake conditions in man, healthy adult subjects spontaneously develop "long" biological days (greater than 35 hr) in addition to the normal, approximately 25 hr day. The ratio of sleep to total time remains constant (approximately 0.30), with long sleep episodes occurring approximately 180 degrees out of phase with the short sleep episodes. The timing and amount of REM sleep advance to an earlier time within the sleep episode during free-running, whereas stage 3 + 4 sleep is related to the initiation and course of the sleep process itself. The REM--NREM cycle length does not change, comparing entrained and nonentrained conditions. The study of the chronophysiology of humans under nonentrained conditions may serve as a model of the chronopathology of sleep--wake changes which occur in sleep disorders associated with depression, narcolepsy--cataplexy, sleep--wake dyssomnias, delayed sleep phase insomnia, and aging.

Published
1980

49. Abnormal 24 hour pattern of melatonin secretion in depression.

Author

Mendlewicz J, Linkowski P, Branchey L, Weinberg U, Weitzman ED, and Branchey M

Subjects
Adult, Bipolar Disorder drug therapy, Circadian Rhythm, Depression drug therapy, Female, Humans, Melatonin blood, Middle Aged, Bipolar Disorder blood, Depression blood, Melatonin metabolism
Published
1979
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