Sleep deprivation in the rat. IV: Paradoxical sleep deprivation
Twelve rats were subjected to paradoxical sleep deprivation (PSD) by the disk apparatus. All PSD rats died or were sacrificed when death seemed imminent within 16-54 days. No anatomical cause of death was identified. All PSD rats showed a debilitated appearance, lesions on their tails and paws, and...
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| Veröffentlicht in: | Sleep (New York, N.Y.) N.Y.), 1989, Vol.12 (1), p.22-30 |
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| container_title | Sleep (New York, N.Y.) |
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| creator | KUSHIDA, C. A BERGMANN, B. M RECHTSCHAFFEN, A |
| description | Twelve rats were subjected to paradoxical sleep deprivation (PSD) by the disk apparatus. All PSD rats died or were sacrificed when death seemed imminent within 16-54 days. No anatomical cause of death was identified. All PSD rats showed a debilitated appearance, lesions on their tails and paws, and weight loss in spite of increased food intake. Their yoked control (PSC) rats remained healthy. Since dehydration was ruled out and several measures indicated normal or accelerated use of nutrients, the food-weight changes in PSD rats were attributed to increased energy expenditure (EE). The measurement of EE, based upon caloric value of food, weight, and wastes, indicated that all PSD rats increased EE, with mean levels reaching more than twice baseline values. All of these changes had been observed in rats deprived totally of sleep; the major difference was that they developed more slowly in PSD rats. |
| doi_str_mv | 10.1093/sleep/12.1.22 |
| format | Article |
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The measurement of EE, based upon caloric value of food, weight, and wastes, indicated that all PSD rats increased EE, with mean levels reaching more than twice baseline values. All of these changes had been observed in rats deprived totally of sleep; the major difference was that they developed more slowly in PSD rats.</description><identifier>ISSN: 0161-8105</identifier><identifier>EISSN: 1550-9109</identifier><identifier>DOI: 10.1093/sleep/12.1.22</identifier><identifier>PMID: 2928623</identifier><identifier>CODEN: SLEED6</identifier><language>eng</language><publisher>Rochester, MN: American Academy of Sleep Medicine</publisher><subject>Activity levels. Psychomotricity ; Animals ; Arousal - physiology ; Biological and medical sciences ; Cerebral Cortex - physiopathology ; Electroencephalography ; Energy Metabolism ; Fundamental and applied biological sciences. Psychology ; Male ; Psychology. Psychoanalysis. Psychiatry ; Psychology. 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M</creatorcontrib><creatorcontrib>RECHTSCHAFFEN, A</creatorcontrib><title>Sleep deprivation in the rat. IV: Paradoxical sleep deprivation</title><title>Sleep (New York, N.Y.)</title><addtitle>Sleep</addtitle><description>Twelve rats were subjected to paradoxical sleep deprivation (PSD) by the disk apparatus. All PSD rats died or were sacrificed when death seemed imminent within 16-54 days. No anatomical cause of death was identified. All PSD rats showed a debilitated appearance, lesions on their tails and paws, and weight loss in spite of increased food intake. Their yoked control (PSC) rats remained healthy. Since dehydration was ruled out and several measures indicated normal or accelerated use of nutrients, the food-weight changes in PSD rats were attributed to increased energy expenditure (EE). The measurement of EE, based upon caloric value of food, weight, and wastes, indicated that all PSD rats increased EE, with mean levels reaching more than twice baseline values. All of these changes had been observed in rats deprived totally of sleep; the major difference was that they developed more slowly in PSD rats.</description><subject>Activity levels. Psychomotricity</subject><subject>Animals</subject><subject>Arousal - physiology</subject><subject>Biological and medical sciences</subject><subject>Cerebral Cortex - physiopathology</subject><subject>Electroencephalography</subject><subject>Energy Metabolism</subject><subject>Fundamental and applied biological sciences. Psychology</subject><subject>Male</subject><subject>Psychology. Psychoanalysis. Psychiatry</subject><subject>Psychology. Psychophysiology</subject><subject>Rats</subject><subject>Rats, Inbred Strains</subject><subject>Sleep Deprivation - physiology</subject><subject>Sleep, REM - physiology</subject><subject>Vigilance. Attention. 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Psychomotricity</topic><topic>Animals</topic><topic>Arousal - physiology</topic><topic>Biological and medical sciences</topic><topic>Cerebral Cortex - physiopathology</topic><topic>Electroencephalography</topic><topic>Energy Metabolism</topic><topic>Fundamental and applied biological sciences. Psychology</topic><topic>Male</topic><topic>Psychology. Psychoanalysis. Psychiatry</topic><topic>Psychology. Psychophysiology</topic><topic>Rats</topic><topic>Rats, Inbred Strains</topic><topic>Sleep Deprivation - physiology</topic><topic>Sleep, REM - physiology</topic><topic>Vigilance. Attention. Sleep</topic><topic>Weight Loss</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>KUSHIDA, C. A</creatorcontrib><creatorcontrib>BERGMANN, B. 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IV: Paradoxical sleep deprivation</atitle><jtitle>Sleep (New York, N.Y.)</jtitle><addtitle>Sleep</addtitle><date>1989</date><risdate>1989</risdate><volume>12</volume><issue>1</issue><spage>22</spage><epage>30</epage><pages>22-30</pages><issn>0161-8105</issn><eissn>1550-9109</eissn><coden>SLEED6</coden><abstract>Twelve rats were subjected to paradoxical sleep deprivation (PSD) by the disk apparatus. All PSD rats died or were sacrificed when death seemed imminent within 16-54 days. No anatomical cause of death was identified. All PSD rats showed a debilitated appearance, lesions on their tails and paws, and weight loss in spite of increased food intake. Their yoked control (PSC) rats remained healthy. Since dehydration was ruled out and several measures indicated normal or accelerated use of nutrients, the food-weight changes in PSD rats were attributed to increased energy expenditure (EE). The measurement of EE, based upon caloric value of food, weight, and wastes, indicated that all PSD rats increased EE, with mean levels reaching more than twice baseline values. All of these changes had been observed in rats deprived totally of sleep; the major difference was that they developed more slowly in PSD rats.</abstract><cop>Rochester, MN</cop><pub>American Academy of Sleep Medicine</pub><pmid>2928623</pmid><doi>10.1093/sleep/12.1.22</doi><tpages>9</tpages><oa>free_for_read</oa></addata></record> |
| fulltext | fulltext |
| identifier | ISSN: 0161-8105 |
| ispartof | Sleep (New York, N.Y.), 1989, Vol.12 (1), p.22-30 |
| issn | 0161-8105 1550-9109 |
| language | eng |
| recordid | cdi_proquest_miscellaneous_78919872 |
| source | MEDLINE; EZB-FREE-00999 freely available EZB journals; Alma/SFX Local Collection |
| subjects | Activity levels. Psychomotricity Animals Arousal - physiology Biological and medical sciences Cerebral Cortex - physiopathology Electroencephalography Energy Metabolism Fundamental and applied biological sciences. Psychology Male Psychology. Psychoanalysis. Psychiatry Psychology. Psychophysiology Rats Rats, Inbred Strains Sleep Deprivation - physiology Sleep, REM - physiology Vigilance. Attention. Sleep Weight Loss |
| title | Sleep deprivation in the rat. IV: Paradoxical sleep deprivation |
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