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Variable cerebral responses to equally distinct deviance in four auditory dimensions: A mismatch negativity study

Published online by Cambridge University Press:  01 November 1998

LEON Y. DEOUELL  and
SHLOMO BENTIN
LEON Y. DEOUELL
Affiliation:
Department of Psychology, Hebrew University of Jerusalem, Israel
SHLOMO BENTIN
Affiliation:
Department of Psychology, Hebrew University of Jerusalem, Israel Center for Neural Computation, Hebrew University of Jerusalem, Israel
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Abstract

In this study we compared the amplitude, latency, and spatial distribution of the mismatch negativity (MMN), elicited by tones deviating in either frequency, intensity, stimulus-onset asynchrony (SOA) or location, and assessed inter- and intra-subject variability. Cross-dimensional comparisons were facilitated by adjusting the magnitude of deviance individually, so that the detection rates were similar, both across dimensions (within subject) and across subjects (within dimension). Despite similar detection rates, the MMN elicited by frequency deviance was larger, and the MMN elicited by SOA deviance was earlier than the other types of MMN. The reliability of frequency-related MMN was better than that of the other types of MMN. The results highlight the problems of comparing MMN across dimensions, especially in clinical populations.

Keywords

Auditory discriminationEvent-related potentialsMismatch negativityAuditory attentionClinical application
Type
Research Article
Information
Psychophysiology , Volume 35 , Issue 6 , November 1998 , pp. 745 - 754
Copyright
1998 Society for Psychophysiological Research

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