Effects of stimulus frequency and complexity on the mismatch negativity and other components of the cortical auditory-evoked potential

J. L. Wunderlich, Barbara K Cone-Wesson

Research output: Contribution to journalArticle

75 Citations (Scopus)

Abstract

This study investigated, first, the effect of stimulus frequency on mismatch negativity (MMN), N1, and P2 components of the cortical auditory event-related potential (ERP) evoked during passive listening to an oddball sequence. The hypothesis was that these components would show frequency-related changes, reflected in their latency and magnitude. Second, the effect of stimulus complexity on those same ERPs was investigated using words and consonant-vowel tokens (CVs) discriminated on the basis of formant change. Twelve normally hearing listeners were tested with tone bursts in the speech frequency range (400/440, 1500/1650, and 3000/3300 Hz), words (/bæd/ vs /dæd/) and CVs (/bæ/ vs /dæ/). N1 amplitude and latency decreased as frequency increased. P2 amplitude, but not latency, decreased as frequency increased. Frequency-related changes in MMN were similar to those for N1, resulting in a larger MMN area to low frequency contrasts. N1 amplitude and latency for speech sounds were similar to those found for low tones but MMN had a smaller area. Overall, MMN was present in 46%-71% of tests for tone contrasts but for only 25%-32% of speech contrasts. The magnitude of N1 and MMN for tones appear to be closely related, and both reflect the tonotopicity of the auditory cortex.

Original languageEnglish (US)
Pages (from-to)1526-1537
Number of pages12
JournalJournal of the Acoustical Society of America
Volume109
Issue number4
DOIs
StatePublished - 2001
Externally publishedYes

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stimuli
vowels
cortexes
hearing
bursts
frequency ranges
Stimulus
Mismatch Negativity
Evoked Potentials
Hearing
low frequencies
acoustics
Latency

ASJC Scopus subject areas

  • Acoustics and Ultrasonics

Cite this

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title = "Effects of stimulus frequency and complexity on the mismatch negativity and other components of the cortical auditory-evoked potential",
abstract = "This study investigated, first, the effect of stimulus frequency on mismatch negativity (MMN), N1, and P2 components of the cortical auditory event-related potential (ERP) evoked during passive listening to an oddball sequence. The hypothesis was that these components would show frequency-related changes, reflected in their latency and magnitude. Second, the effect of stimulus complexity on those same ERPs was investigated using words and consonant-vowel tokens (CVs) discriminated on the basis of formant change. Twelve normally hearing listeners were tested with tone bursts in the speech frequency range (400/440, 1500/1650, and 3000/3300 Hz), words (/b{\ae}d/ vs /d{\ae}d/) and CVs (/b{\ae}/ vs /d{\ae}/). N1 amplitude and latency decreased as frequency increased. P2 amplitude, but not latency, decreased as frequency increased. Frequency-related changes in MMN were similar to those for N1, resulting in a larger MMN area to low frequency contrasts. N1 amplitude and latency for speech sounds were similar to those found for low tones but MMN had a smaller area. Overall, MMN was present in 46{\%}-71{\%} of tests for tone contrasts but for only 25{\%}-32{\%} of speech contrasts. The magnitude of N1 and MMN for tones appear to be closely related, and both reflect the tonotopicity of the auditory cortex.",
author = "Wunderlich, {J. L.} and Cone-Wesson, {Barbara K}",
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AB - This study investigated, first, the effect of stimulus frequency on mismatch negativity (MMN), N1, and P2 components of the cortical auditory event-related potential (ERP) evoked during passive listening to an oddball sequence. The hypothesis was that these components would show frequency-related changes, reflected in their latency and magnitude. Second, the effect of stimulus complexity on those same ERPs was investigated using words and consonant-vowel tokens (CVs) discriminated on the basis of formant change. Twelve normally hearing listeners were tested with tone bursts in the speech frequency range (400/440, 1500/1650, and 3000/3300 Hz), words (/bæd/ vs /dæd/) and CVs (/bæ/ vs /dæ/). N1 amplitude and latency decreased as frequency increased. P2 amplitude, but not latency, decreased as frequency increased. Frequency-related changes in MMN were similar to those for N1, resulting in a larger MMN area to low frequency contrasts. N1 amplitude and latency for speech sounds were similar to those found for low tones but MMN had a smaller area. Overall, MMN was present in 46%-71% of tests for tone contrasts but for only 25%-32% of speech contrasts. The magnitude of N1 and MMN for tones appear to be closely related, and both reflect the tonotopicity of the auditory cortex.

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