A Plethysmographic Study of the Vascular Conditions During Hypnotic Sleep
The book A Plethysmographic Study of the Vascular Conditions During Hypnotic Sleep was written by author Elisha Chisholm Walden Here you can read free online of A Plethysmographic Study of the Vascular Conditions During Hypnotic Sleep book, rate and share your impressions in comments. If you don't know what to write, just answer the question: Why is A Plethysmographic Study of the Vascular Conditions During Hypnotic Sleep a good or bad book?
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During the rise the subject usually opened his eyes and made some movements ; these movements, however, did not per- manently affect the curve. After reaching its maximal level, the curve began to drop, and continued to fall, broken by sharp oscilla- tions, until the tracing had reached about the level it had at the beginning of the experiment previous to the suggestion of hypnotic sleep. The course of the curve from this time until the end of the experiment was in a general horizontal directio...n and corresponded in every way to the tracings of the normal waking curve. The general course of the curve of hypnotic sleep may then be described as follows : A sharp rise, lasting from one to ten minutes, is followed by a slower fall very variable in duration, usually comparatively brief, but, in exceptional cases, lasting for two hours. This fall is in turn followed by a gradual, long-lasting rise, continuing until the end of the hypnotic sleep, after which the curve sinks to the level it had previous to the suggestion.
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