Zhongguo yao li xue bao = Acta pharmacologica Sinica · 1999
Effects of modafinil and amphetamine on sleep-wake cycle after sleep deprivation in cats.
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Hou Y P, Lin J S
Аннотация
AIM: The effects of modafinil and amphetamine on sleep-wake cycle and cortical power spectrum were assessed in the cats before and after sleep deprivation.
METHODS: The sleep deprivation in the cats was used with the water tank technique. Cats were administrated with modafinil (5 mg.kg-1 p.o.) or amphetamine (1 mg.kg-1) before and after sleep deprivation.
RESULTS: The waking effect of 8-10 h induced by modafinil before and after sleep deprivation was similar and was not followed by an increase in sleep rebound. On the contrary, the arousal effect about 8 h evoked by amphetamine after sleep deprivation was less lasting than that of 10-12 h observed in normal conditions and followed by an amplified rebound in both deep slow wave sleep and paradoxical sleep.
CONCLUSION: These results suggest the efficiency of modafinil against somnolence and hypersomnia without increasing subsequent sleep.
METHODS: The sleep deprivation in the cats was used with the water tank technique. Cats were administrated with modafinil (5 mg.kg-1 p.o.) or amphetamine (1 mg.kg-1) before and after sleep deprivation.
RESULTS: The waking effect of 8-10 h induced by modafinil before and after sleep deprivation was similar and was not followed by an increase in sleep rebound. On the contrary, the arousal effect about 8 h evoked by amphetamine after sleep deprivation was less lasting than that of 10-12 h observed in normal conditions and followed by an amplified rebound in both deep slow wave sleep and paradoxical sleep.
CONCLUSION: These results suggest the efficiency of modafinil against somnolence and hypersomnia without increasing subsequent sleep.