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espanolLas conductas complejas se relacionan con la actividad de los lobulos frontales del cerebro humano y el consumo de alcohol con sintomatologia frontal. La evidencia cientifica indica que el cerebro adolescente es mas sensible a los efectos neurotoxicos del alcohol que los cerebros adultos. Se propone un estudio de casos para evaluar las funciones ejecutivas desde una perspectiva ecologica. El objetivo fue observar la correspondencia entre la autopercepcion de jovenes con diferente patron de consumo de alcohol sobre sus funciones ejecutivas en tareas cotidianas (evaluacion sujetocentrica) y la ejecucion en tareas administradas en situaciones de laboratorio (evaluacion externa). Se estudio a 12 jovenes entre 16 y 19 anos que representaban tres grupos de consumo (intensivo = 5; moderado = 4 y control = 3). Para la evaluacion se empleo el cuestionario de evaluacion de consumo intensivo de alcohol, el inventario de impulsividad de Dickman, la escala de evaluacion de la conducta prefrontal y la ejecucion en 8 tareas de la bateria neuropsicologica BANFE. Los resultados de las pruebas neuropsicologicas no permiten establecer diferencias entre jovenes con distintos patrones de consumo. Los instrumentos autoaplicados sugieren que los casos clasificados en el grupo CIA difieren negativamente de los moderados y controles, indicando una peor capacidad de inhibicion y autorregulacion emocional en situaciones sociales. La capacidad de autorregulacion de la conducta socioemocional (soportada por los circuitos ventromediales) explica una caracteristica fundamental de las funciones ejecutivas, que puede no ser evidente o no interferir en la ejecucion de tareas cognitivas ajenas a la cotidianidad. EnglishComplex behaviors are related to the activity of the frontal lobes of the human brain and alcohol consumption is related to frontal symptomatology. Scientific evidence indicates that the adolescent brain is more sensitive to the neurotoxic effects of alcohol than adult brains. It is proposed a case study to evaluate executive functions from an ecological perspective. The objective was to observe the correspondence between the self-perception of the young people with different pattern of consumption of alcohol about their own executive functions in everyday tasks (subject-centric evaluation) and the execution in tasks administered in laboratory situations (external evaluation). Twelve young people representing three consumption groups (intensive = 5, moderate = 4, and control = 3) were studied. The questionnaires Evaluation of Intensive Consumption of Alcohol, Dickman’s impulsivity inventory, Prefrontal Behavior Rating Scale and the execution in 8 tasks of the Neuropsychological BANFE battery were used for evaluation. The results of the neuropsychological tests do not allow establishing differences between young people with different patterns of consumption. The self-applied instruments suggest that the cases classified in the CIA group differ negatively from the moderates and controls, indicating a worse capacity for inhibition and emotional self-regulation in social situations. The self-regulation capacity of social-emotional behavior (supported by ventromedial circuits) explains a fundamental characteristic of executive functions that cannot be evident or not interfere in the execution of cognitive tasks unrelated to everyday life.

Funciones ejecutivas y consumo de alcohol en jóvenes universitarios: capacidad predictiva de las medidas de evaluación