Effects of hypocaloric diet on sleep in young and old rats

Aging produces a loss in a number of behavioral and cognitive functions, including sleep. Hypocaloric diet is one of the few methods that have been shown to retard the effects due to age. However, the effects of such a diet on sleep have never been investigated. In the present study, 21 months old m...

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Veröffentlicht in:Neurobiology of aging 2002-09, Vol.23 (5), p.771-776
Hauptverfasser: Salin-Pascual, Rafael J, Upadhyay, Urvashi, Shiromani, Priyattam J
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container_title Neurobiology of aging
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creator Salin-Pascual, Rafael J
Upadhyay, Urvashi
Shiromani, Priyattam J
description Aging produces a loss in a number of behavioral and cognitive functions, including sleep. Hypocaloric diet is one of the few methods that have been shown to retard the effects due to age. However, the effects of such a diet on sleep have never been investigated. In the present study, 21 months old male F344 rats fed a 60% calorie-reduced diet continued to have a significant reduction in delta power (0.3–4 Hz EEG), less sleep following 12 h total sleep deprivation (TSD) and increased sensitivity to caffeine compared to young rats (3 months) fed a similar diet. These results indicate that caloric restriction is unable to prevent the decline in sleep that occurs with aging.
doi_str_mv 10.1016/S0197-4580(02)00030-1
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subjects Age Factors
Aging
Animals
Biological and medical sciences
Body Weight
Caffeine - pharmacology
Caloric Restriction
Calorie
Central Nervous System Stimulants - pharmacology
Energy Intake - physiology
Fundamental and applied biological sciences. Psychology
Hypocaloric diet
Male
Rapid eye movement sleep
Rats
Rats, Inbred F344
Sleep
Sleep Deprivation - physiopathology
Sleep, REM - drug effects
Sleep, REM - physiology
Sleep. Vigilance
Vertebrates: nervous system and sense organs
Wakefulness - physiology
title Effects of hypocaloric diet on sleep in young and old rats
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