Traducción libre de un parrafo medico

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REPÚBLICA BOLIVARIANA DE VENEZUELA
UNIVERSIDAD DE ORIENTE
NÚCLEO DE SUCRE
CUMANÁ – ESTADO SUCRE

PROFESORA:

BACHILLER:
LUISANA ESPERQUE
C.I.N° V- 23.702.359

CUMANÁ, ENERO 2011

Theeffects of repeated amphetamine exposure on multiple measures of human behavior.
Kelly TH, Foltin RW, Fischman MW.
Department of Psychiatry and Behavioral Sciences, Johns Hopkins University School ofMedicine, Baltimore, MD 21205.
Abstract
Two groups of three healthy adult male volunteers (n = 6) participated in 15-day residential studies. Each study day was divided into a private work period(1000 to 1630), during which subjects had access to four work tasks, and a social period (1700 to 2330), during which subjects had access to a number of recreational activities available under social orprivate conditions. Occasionally during the study, access to high-probability activities was made contingent upon participating in low-probability activities. Tobacco cigarettes and food wereavailable throughout each day (0900 to 2330). Each subject received active and placebo d-amphetamine doses (0 or 10 mg/70 kg) twice daily during two, three-consecutive-day intervals. Active and placebo doseintervals were presented in an alternating fashion, with order of exposure counterbalanced between groups. Amphetamine consistently decreased food intake, improved accuracy of performance on some worktasks, and increased verbal interaction and cigarette smoking. No tolerance to these effects was observed. Increases in VAS ratings of dose "potency" and "liking," as well as "stimulated" and"anxious," and decreases in "sedated" were observed during initial amphetamine exposure, but tolerance to these effects developed rapidly. The simultaneous measurement of multiple dimensions of human behaviorestablishes a profile of amphetamine's effects which is useful for comparison with the behavioral profiles of other drugs, such as marijuana.
TRANSLATION
Efectos de exposición prolongada a las...
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