S Huwe

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The present study was conducted to determine the size of changes and the time point of those changes in biological rhythms during night-shift and whether they are associated with tolerance to shiftwork. The adrenal hormone cortisol has frequently been investigated in the field of shiftwork since it follows a pronounced circadian variation and has been(More)
The present study was conducted to investigate if personality traits can be usefully related to serotonergic vs. dopaminergic action of the 5-HT1a-antagonist +/- pindolol. Forty healthy male volunteers (aged between 20 and 30 years) were randomly assigned to a placebo or a +/- pindolol (30 mg, oral dose) group in a double blind trial. Blood samples were(More)
The present study was conducted to investigate whether +/- pindolol antagonizes ipsapirone induced biobehavioral changes in a personality dependent way. Our previous work demonstrated that high impulsives show higher immune cell responses than low impulsive subjects upon treatment with ipsapirone. A total number of 80 healthy male volunteers received(More)
To understand the biological basis of anxiety, the following psychological aspects are discussed: The difference between "trait" and "state" anxiety, types of anxiety as related to knowledge about causes and consequences, anxiety as a chronological process involving coping strategies and different levels of responses. The lack of specificity is(More)
Three separate factors relevant to nicotine effects have been investigated in this experiment in combination: the experimentally induced expectation about receiving a sham or a nicotine cigarette, the mode of application of nicotine by a tablet, by a cigarette or not at all, while the belief of receiving the nicotine via smoking was held constant in each(More)
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