Discriminación bilateral de la respuesta condicionada de parpadeo en humanos

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Jorge Andrés Pinto Pinto
Sebastián Agustín Becerra Céspedes

Resumen

La presente investigación pretende determinar si la respuesta condicionada de parpadeo es lateralizada en humanos. Para esto se realizó un experimento donde los participantes recibieron un total de 132 ensayos consistentes en la presentación de estímulos auditivos y vibraciones, de los cuales 66 ensayos correspondían al estímulo condicionado (EC+) asociado con un soplo de aire como estímulo incondicionado (EI), alternados con 66 ensayos del estímulo condicionado (EC-) únicamente. Se midieron las respuestas tanto al ojo que recibió estimulación (ipsilateral) como al que no la recibió (contralateral) durante el curso del entrenamiento. Los resultados arrojaron que las respuestas son bilaterales, lo cual no permitiría separar los efectos sensoriales de los emocionales en una asociación EC-EI.

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