Eckhard Kuhn

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The effect of 120-h sleep deprivation on the activity of selected enzymes of energy metabolism in skeletal muscle was studied in seven healthy volunteers. The results showed a significant decrease in the activity of malate dehydrogenase, citrate synthase, glycerol-3-phosphate dehydrogenase and lactate dehydrogenase. Triosephosphate dehydrogenase,(More)
The effect of 5 days of sleep deprivation on the circadian rhythm of serum iron was studied in a group of six healthy male volunteers. The results were compared with a control group of five individuals, whose normal sleep cycle was preserved, but whose daily regimen was otherwise identical with the sleep deprivation group. Their biorhythm was processed(More)
A single dose of 10 mg of pirenzepine given i.m. to 7 healthy volunteers did not elicit local or general signs of intolerance within 6 hours after injection. We also found no significant differences in tests of vegetative symptomatology, visual motor coordination, attention concentration, critical flicker test threshold, nor any other aspects of the central(More)