International Journal of Psychology and Psychological Therapy

Volume 12 Num. 2 - June 2012


Interference of direct and derived suppression on a high cognitive demand task.

Volume 12 Num. 2 - June 2012 - Pages 157-172


Juan C. Galera-Barbero , Adri?n Barbero-Rubio , Rub?n Ucl?s , Noelia Navarro-G?mez , Francisco J. Ruiz , Nikolett Eisenbeck , Carmen Luciano


A preliminary study. The present study analyzes the transfer of the suppression function and its interference effect on a high cognitive demand task. Twelve participants were randomly assigned to the control and experimental conditions. In Phase 1, participants completed the questionnaires AAQ-II (Acceptance and Action Questionnaire-II) and WBSI (White Bear Suppression Inventory), and were exposed to a working memory task (TM-I) in which an abstract stimulus (B1), irrelevant for the task, appeared in several occasions. In Phase 2, experimental participants were instructed and trained in suppressing the thoughts related to B1. Control participants carried out the same task but without receiving the suppression instruction. Then, all participants were exposed to an aloud verbalization task and to the second memory task (TM-II). In Phase 3, all participants were trained and tested for the formation of two 4-member equivalence classes (Class 1: A1-B1-C1-D1; Class 2: A2-B2-C2-D2). In Phase 4, the test for transfer of functions, a second period of aloud verbalizations and the third memory task (TM-III; C1 stimulus appeared in this case) were carried out. Four of the 7 experimental participants showed the transfer of the suppression function. Unlike control participants, experimental participants did not significantly increase their performance along the three working memory tasks.

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