Attenuation of auditory ERPs to action-sound coincidences is not explained by voluntary allocation of attention

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12 Citations (Scopus)

Abstract

The event-related potential (ERP) correlates of sound detection are attenuated when eliciting sounds coincide with our own actions. The role of attention in this effect was investigated in two experiments by presenting tones separated by random intervals. In the homogeneous condition of Experiments 1 and 2, the same tone was repeated, whereas in the mixed condition of Experiment 1, tones with five different frequencies were presented. Participants performed a time-interval production task by marking intervals with keypresses in Experiment 1, and tried to produce keypress-tone coincidences in Experiment 2. Although the auditory ERPs were attenuated for coincidences, no modulation by the multiplicity of tone frequencies in Experiment 1, or by the task-relevancy of tones and coincidences in Experiment 2, was found. This suggests that coincidence-related ERP attenuation cannot be fully explained by voluntary attentional mechanisms.

Original languageEnglish
Pages (from-to)266-273
Number of pages8
JournalPsychophysiology
Volume50
Issue number3
DOIs
Publication statusPublished - Mar 2013

Keywords

  • Cognition
  • EEG/ERP
  • Normal volunteers
  • Sensation/perception

ASJC Scopus subject areas

  • Neuroscience(all)
  • Neuropsychology and Physiological Psychology
  • Experimental and Cognitive Psychology
  • Neurology
  • Endocrine and Autonomic Systems
  • Developmental Neuroscience
  • Cognitive Neuroscience
  • Biological Psychiatry

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