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1.
Clin Pharmacol Ther ; 101(2): 185-187, 2017 Feb.
Artículo en Inglés | MEDLINE | ID: mdl-27509043

RESUMEN

Understanding the abuse liability of novel drugs is critical to understanding the risk these new compounds pose to society. Behavioral economics, the integration of psychology and economics, can be used to predict abuse liability of novel substances. Here, we describe the behavioral economic concept of reinforcer pathology and how it may predict the use of novel drugs in existing drug-users and initiation of use in the drug-naive.


Asunto(s)
Economía del Comportamiento , Trastornos Relacionados con Sustancias/economía , Trastornos Relacionados con Sustancias/psicología , Consumo de Bebidas Alcohólicas/economía , Consumo de Bebidas Alcohólicas/psicología , Intoxicación Alcohólica/economía , Intoxicación Alcohólica/psicología , Humanos
2.
Psychopharmacology (Berl) ; 233(1): 1-18, 2016 Jan.
Artículo en Inglés | MEDLINE | ID: mdl-26581504

RESUMEN

RATIONALE: Rate dependence refers to an orderly relationship between a baseline measure of behavior and the change in that behavior following an intervention. The most frequently observed rate-dependent effect is an inverse relationship between the baseline rate of behavior and response rates following an intervention. A previous report of rate dependence in delay discounting suggests that the discounting of delayed reinforcers, and perhaps, other impulsivity measures, may change rate dependently following acute and chronic administration of potentially therapeutic medications in both preclinical and clinical studies. OBJECTIVE: The aim of the current paper was to review the effects of stimulants on delay discounting and other impulsivity tasks. METHODS: All studies identified from the literature were required to include (1) an objective measure of impulsivity; (2) administration of amphetamine, methylphenidate, or modafinil; (3) presentation of a pre- and postdrug administration impulsivity measure; and (4) the report of individual drug effects or results in groups split by baseline or vehicle impulsivity. Twenty-five research reports were then reanalyzed for evidence consistent with rate dependence. RESULTS: Of the total possible instances, 67 % produced results consistent with rate dependence. Specifically, 72, 45, and 80 % of the data sets were consistent with rate dependence following amphetamine, methylphenidate, and modafinil administration, respectively. CONCLUSIONS: These results suggest that rate dependence is a more robust phenomenon than reported in the literature. Impulsivity studies should consider this quantitative signature as a process to determine the effects of variables and as a potential prognostic tool to evaluate the effectiveness of future interventions.


Asunto(s)
Estimulantes del Sistema Nervioso Central/administración & dosificación , Conducta Impulsiva/efectos de los fármacos , Anfetamina/administración & dosificación , Compuestos de Bencidrilo/administración & dosificación , Ensayos Clínicos como Asunto/métodos , Humanos , Conducta Impulsiva/fisiología , Metilfenidato/administración & dosificación , Modafinilo
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