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The dynamics of transition from wakefulness to drowsiness can be modified by psycho-active compounds. These two states of vigilance have different electroencephalographic characteristics, which can be also modified by the administration of substances. This paper describes a method intended to discriminate between these two aspects of drug action, using a mini-computer.
View Article and Find Full Text PDFA study was undertaken to determine the activation profile and psychometric performances in 10 adult volunteer subjects. The activation profile was evaluated by measuring heart and respiratory rates and also the H reflex (motor response). Psychometric performances during two attention tests were measured by the subjects' scores.
View Article and Find Full Text PDFArch Int Pharmacodyn Ther
January 1973
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