Physiology

Light and Biological Rhythms in Man by L. Wetterberg

By L. Wetterberg

During this quantity, present wisdom on gentle as a regulator of organic rhythms is taken into account from either simple technology and scientific views. Chapters through best, specialists disguise the complete variety of organic rhythms, from infradian and circadian to the longer ultradian rhythms, in a large choice of mammalian species. The chapters on people supply a foundation on which to set up mechanisms for mediating the healing and physiologically useful results of sunshine as a regulator of rhythms in well-being and disorder

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4 5 4 , 2 1 2 - 2 1 8 . 15. B r a i n a r d G . C , P o d o l i n P . L . , R o l l a g M . D . , C o l e C . a n d B a r k e r F . M . (1987) N e a r ultraviolet r a d i a t i o n ( U V - A ) s u p p r e s s e s p i n e a l m e l a t o n i n c o n t e n t . Endocrinology 119, 2201-2205. 16. B r a i n a r d , G . , K i n g T . S . J. (1983) T h e s u p p r e s s i o n of p i n e a l m e l a t o n i n c o n t e n t a n d N - a c e t y l t r a n s f e r a s e activity by different Ocular 17. 18. 19.

A n d Rice J. (1992) P h o t o t h e r a p y w i t h b r o a d s p e c t r u m w h i t e fluorescent light: A c o m p a r a t i v e s t u d y . Psychiatry Res. 4 3 , 1 6 7 - 1 7 5 . 10. B o e t t n e r E . W . R. (1962) T r a n s m i s s i o n of t h e o c u l a r m e d i a . Invest. Opthalmol. 1 , 7 7 6 - 7 8 3 . 11. , A l d h o u s M . E . , S k e n e , D . a n d A r e n d t , J. (1987) S u p p r e s s i o n of n o c t u r n a l p l a s m a m e l a t o n i n a n d 6 - s u l p h a t o x y m e l a t o n i n by b r i g h t a n d d i m light in m a n .

Spot sampling of the perimeter's surface with a l u m i n a n c e meter showed a h o m o g e n e o u s l u m i n a n c e across the visual field. 7 P l a s m a samples were analyzed for m e l a t o n i n using a m o d i f i c a t i o n 78 of the r a d i o i m m u n o a s s a y m e t h o d described by Rollag a n d N i s w e n d e r . 3). 1). 002). 027). -r- CONTROL — FREE PUPIL DILATED PUPIL O) FREE PUPIL DILATED PUPIL F I G . 5. ( A ) T h e s e d a t a illustrate m e a n ( + S E M ) c h a n g e scores from baseline 38 p l a s m a m e l a t o n i n levels (02:00 h o u r s ) t o final m e l a t o n i n levels (03:30 h o u r s ) in (B) M e a n ( + S E M ) c o n t r o l eight subjects s t u d i e d o n t h r e e s e p a r a t e n i g h t s .

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