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Dynamics of a Stroop matching task: effect of alcohol and reversal with training
David, Isabel A; Volchan, Eliane; Alfradique, Isabel; Oliveira, Letícia de; Pereira, Mirtes G; Ranvaud, Ronald; Vila, Jaime; Machado-Pinheiro, Walter.
Afiliação
  • David, Isabel A; Universidade Federal Fluminense. Niterói. Brazil
  • Volchan, Eliane; Universidade Federal do Rio de Janeiro. Rio de Janeiro. Brazil
  • Alfradique, Isabel; Universidade Federal Fluminense. Niterói. Brazil
  • Oliveira, Letícia de; Universidade Federal Fluminense. Niterói. Brazil
  • Pereira, Mirtes G; Universidade Federal Fluminense. Niterói. Brazil
  • Ranvaud, Ronald; Universidade de São Paulo. São Paulo. Brazil
  • Vila, Jaime; Universidad de Granada. Granada. Spain
  • Machado-Pinheiro, Walter; Universidade Federal Fluminense. Niterói. Brazil
Psychol. neurosci. (Impr.) ; 4(2): 279-283, 2011. ilus
Article em En | INDEXPSI | ID: psi-51918
Biblioteca responsável: BR1.1
ABSTRACT
Using a Stroop matching task, we evaluated how alcohol affects the time needed to overcome Stroop conflict and whether practice might reverse the effect of alcohol. Participants (n = 16) performed two sessions in which they had to compare the color of a color-word with the meaning of a color-word in neutral color. The two task stimuli were presented simultaneously or with a Stimulus Onset Asynchrony (SOA) of 200, 500, or 800 ms. For half of the subjects, alcohol was administered in the first session, and for the other half, alcohol was administered in the second session. The results showed that the Stroop effect was significant at the 0 and 200 ms intervals in the sober subjects. Moreover, in untrained intoxicated individuals, interference endured until the 500 ms interval, a result that was abolished in trained intoxicated subjects. In conclusion, alcohol increased the time needed for Stroop matching task conflict resolution. However, this deleterious effect was minimized by a previous practice session.(AU)
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Texto completo: 1 Coleções: 06-national / BR Base de dados: INDEXPSI Assunto principal: Prática Psicológica / Tempo de Reação / Atenção / Transtornos Relacionados ao Uso de Álcool / Teste de Stroop Limite: Female / Humans / Male Idioma: En Revista: Psychol. neurosci. (Impr.) Ano de publicação: 2011 Tipo de documento: Article
Texto completo
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Imprimir
XML
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Texto completo: 1 Coleções: 06-national / BR Base de dados: INDEXPSI Assunto principal: Prática Psicológica / Tempo de Reação / Atenção / Transtornos Relacionados ao Uso de Álcool / Teste de Stroop Limite: Female / Humans / Male Idioma: En Revista: Psychol. neurosci. (Impr.) Ano de publicação: 2011 Tipo de documento: Article