Reducción de disonancia: estimulación de la CPF izquierda con contracciones de la mano derecha
Date
2017-09-21
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Pontificia Universidad Católica del Perú
Abstract
En el presente estudio se intentó incrementar el proceso de reducción de disonancia cognitiva a
través de la estimulación de la corteza pre-frontal (CPF) izquierda por contracciones con la mano
contraria (la derecha). Se esperó que mayor actividad en un hemisferio de la CPF se reflejara en
un aumento de la temperatura de la membrana timpánica (TMT), del hemisferio estimulado. Sin
embargo, no se observó cambio alguno en la TMT opuesta a la mano que realizó las
contracciones. Por el contrario, se observó una disminución de la TMT ipsilateral a la mano
estimulada. Asimismo, no hubo diferencias en el proceso de reducción de disonancia entre
aquellos que realizaron contracciones con la mano derecha y aquellos que realizaron
contracciones con la mano izquierda.
The present study attempted to increase cognitive dissonance reduction stimulating the left prefrontal cortex (PFC) by unilateral right hand clenching. More activity in the left PFC was expected to increase the ipsilateral tympanic membrane temperature (TMT). However no change was observed in the TMT opposite to the clenched hand. Contrary to the expected, a decrease of the TMT ipsilateral to the hand clenched was observed. No differences in dissonance reduction were observed between experimental groups.
The present study attempted to increase cognitive dissonance reduction stimulating the left prefrontal cortex (PFC) by unilateral right hand clenching. More activity in the left PFC was expected to increase the ipsilateral tympanic membrane temperature (TMT). However no change was observed in the TMT opposite to the clenched hand. Contrary to the expected, a decrease of the TMT ipsilateral to the hand clenched was observed. No differences in dissonance reduction were observed between experimental groups.
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Keywords
Disonancia cognitiva, Membrana timpánica
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