THE EFFECT OF IRRELEVANT SOUNDS ON THE AUDITORY CONTINUITY ILLUSION

  • Maori Kobayashi
  • Makio Kashino

Abstract

The effect of irrelevant sounds on the auditory continuity illusion was examined. Listeners judged whether a tone (inducee) that was repeatedly alternated with a band-pass noise (in- ducer) was continuous or discontinuous. A sequence of irrelevant sounds, that is, tone pips at a remote frequency from the inducee, increased the limit of illusory continuity in terms of maximum inducee level when the irrelevant sounds were synchronized with the onsets of the inducers. The effect of the irrelevant sounds depends on the timing relationship between the irrelevant sounds and the inducers. These results suggest that illusory continuity is not fully determined by local, pre-attentive processing in the auditory system.

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