JOHN W. TURNER, JR., AND THOMAS H. FINE
Department of Physiology and Biophysics and Department of Psychiatry, Medical College of Ohio, Toledo, Ohio 43699-0008
TURNER, JOHN W., JR., AND THOMAS H. FINE. Restricting environmental stimulation influences levels and variability of plasma cortisol. J. Appl. Physiol. 70(5): 2010-2013, 1991.-
SUMMARY
Restricting stimulation from the environment has been shown to alter psychological and physiological states. The present study of 27 healthy subjects examines the effects of restricted environmental stimulation technique (REST) on plasma levels of cortisol and variability in plasma cortisol levels across repeated REST sessions.
The REST environment consisted of a 1.2 X 1.2 X 2.4-m ovoid chamber containing 25 cm of saturated MgSO, solution (sp gr 1.28) maintained at 34.5OF. The buoyant supinely floating subject experienced a minimum of light, sound, and temperature awareness and spatial orientation.
The non-REST environment was …
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