No evidence for peripheral mechanism attenuating auditory ERPs to self-induced tones

J. Horváth, Annamária Burgyán

Research output: Contribution to journalArticle

7 Citations (Scopus)

Abstract

The N1 and P2 event-related potentials (ERPs) are attenuated when the eliciting sounds coincide with our own actions. Although this ERP attenuation could be caused by central processes, it may also reflect a peripheral mechanism: the coactivation of the stapedius muscle with the task-relevant effector, which reduces signal transmission efficiency in the middle ear, reducing the effective intensity of concurrently presented tones, which, in turn, elicit lower amplitude auditory ERPs. Because stapedius muscle contraction attenuates frequencies below 2kHz, no attenuation should occur at frequencies above 2kHz. A self-induced tone paradigm was administered with 0.5, 2.0, and 8.0kHz pure tones. Self-induced tones elicited attenuated N1 and P2 ERPs, but the magnitude of attenuation was not affected by tone frequency. This result does not support the hypothesis that ERP attenuation to self-induced tones are caused by stapedius muscle contractions.

Original languageEnglish
Pages (from-to)563-569
Number of pages7
JournalPsychophysiology
Volume50
Issue number6
DOIs
Publication statusPublished - Jun 2013

Fingerprint

Evoked Potentials
Stapedius
Muscle Contraction
Middle Ear
Hearing
Event-related Potentials
Muscles
Attenuation
Contraction

Keywords

  • EEG/ERP
  • Normal volunteers
  • Sensation/perception

ASJC Scopus subject areas

  • Physiology
  • Physiology (medical)
  • Experimental and Cognitive Psychology
  • Neuropsychology and Physiological Psychology
  • Arts and Humanities (miscellaneous)
  • Developmental and Educational Psychology

Cite this

No evidence for peripheral mechanism attenuating auditory ERPs to self-induced tones. / Horváth, J.; Burgyán, Annamária.

In: Psychophysiology, Vol. 50, No. 6, 06.2013, p. 563-569.

Research output: Contribution to journalArticle

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