Musical syntax: Difference between revisions

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(4)Concerning harmonic aspects of major-minor tonal music, Musical syntax can be characterized by statistical regularities in the succession of chord functions in time, that is probabilities of chord transitions. As these regularities are stored in a [[long-term memory]], predictions about following chords are made automatically, when listening to a musical phrase.
 
====MMN and ERAN====
====MMN and ERANSource:<ref>Koelsch, S. (2009). "[http://www.stefan-koelsch.de/papers/Koelsch_2009_Psychophys_ERAN_MMN_Review.pdf Music-syntactic Processing and Auditory Memory – Similarities and Differences between ERAN and MMN]". Psychophysiology, 46(1): 179-190.</ref>====
 
The violation of these automatically made predictions lead to the observation of so-called [[Event-related potential|ERPs]] (event related potential, a stereotyped electrophysiological response to an internal or external stimulus). Two forms of ERPs can be detected in the context of processing music. One is the [[Mismatch negativity|MMN]] (mismatch negativity), which has first been investigated only with physical deviants like [[frequency]], [[sound intensity]], [[timbre]] deviants (referred to as [[phMMN]]) and could now also be shown for changes of abstract auditory features like tone pitches (referred to as [[afMMN]]). The other one is the so-called [[Electroencephalography|ERAN]] (early right anterior negativity), which can be elicited by syntactic irregularities in music. Both the ERAN and the MMN are ERPs indicating a mismatch between predictions based on regularities and actually experienced acoustic information. As for a long time it seemed to be, that the ERAN is a special variant of the MMN, the question arises, why they are told apart today. There are several differences between the MMN and the ERAN found in the last years: