Effects of metric and harmonic rhythm on the detection of pitch alterations in melodic sequences

Author(s): Cuddy, L. L.

Journal/Book: J Exp Psychol Hum Percept Perform. 1989; 15: 457-71.

Abstract: Tested response time to alterations. Metric rhythm and harmonic rhythm of 13-note tonal sequences were either matched or mismatched. Metric rhythm (3/4 or 4/4 meter) was induced by dynamic accents. Harmonic rhythm was induced by implied chord progressions initiated on the first note and on either every third or every fourth note. Responses were not always faster for matched rhythms or for alterations occurring on the dynamic accent. Responses were consistently faster for sequences presented in 4/4 meter. Musically untrained Ss performed similarly to trained Ss, but were slower and more variable. Accuracy of recall on a music dictation task also favored 4/4 meter rather than matched rhythms. Coding of pitch content may have been facilitated by the structural framework of 4/4 meter rather than by expectancies arising from the match of temporal and pitch organization.

Keyword(s): Adolescence ; Adult ; Discrimination Learning; Recall Attention ; Music ; Pitch Discrimination; Time Perception Female; Human; Male; Support, Non U.S. Gov't

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