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Original Article

Some Observations on the Effects of Attention to Stimuli on the Amplitude of the Acoustically Evoked Response

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Pages 177-184 | Published online: 07 Jul 2009
 

Abstract

The amplitude of averaged auditory evoked responses (AER) was studied under four different conditions designed to alter subjects' attention to stimuli. The conditions were reading, counting stimuli, discriminating intensity increments, and ignoring stimuli. The results indicate that the discriminating condition produces larger AER than do the other conditions. Also, depending on the reference for measurement, the counting condition produces larger AER.

Nous avons étudié l'amplitude des réponses auditives évoquées (RAE) dans quatre conditions différentes, toutes établies de façon à altérer l'attention des sujets aux stimuli. Ces conditions étaient les suivantes: lire, compter les stimuli, distinguer les accroissements de l'intensité, et ignorer les stimuli. Les résultats indiquent que le fait de distinguer les accroissements de l'intensité produit une réponse auditive évoquée plus grande que les autres conditions.

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