Tone profiles following short chord progressions: Top-down or bottom-up?

Author(s): Bregman, A. S.

Journal/Book: Music Percept. 2000; 18: C/O Journals Division 2000 Center St, Ste 303, Berkeley, CA 94704-1223, USA. Univ Calif Press. 25-57.

Abstract: Three experiments explored the relationship between chroma-salience profiles of individual chords and tone profiles obtained after short chord progressions. Musicians' tone profiles for diatonic progressions of one, two, and three chords were compared with predictions of three models: a bottom-up stimulus model (number of times each chroma ol:curs in the progression), a top-down or schema-driven key model (best-fitting key profile of C. L. Krumhansl & E. J. Kessler, 1982), and an intermediate pitch model that includes both top-down and bottom-up components (cumulative pitch salience; R. Parncutt, 1989, 1993). For single chords, all predictors significantly matched tone profiles, except the key model applied to the diminished triad. For pairs of chords, the pitch and key models consistently outperformed the stimulus model, consistent with the assumption that a (top-down) key had been established; in the pitch model, the second chord influenced the tone profile more than the first (recency effect). Progressions of three chords comprised forward (e.g., F-G-C) and backward (C-G-F) cadences in major and minor keys. The pitch and key models were successful for all progressions, ,ut the key model predicted the tonic of backward cadences in C major and minor to be E Predictions of the stimulus model were clearly worse than those of the other models, especially for backward cadences. Both primacy and recency effects were observed. In summary, the pitch model was the most consistently successful model over all experiments. To successfully predict tone profiles following chord progressions, it was necessary to account not only for recency land primacy) but also for variations in pitch salience within chords. Results are consistent with a model of tonality induction in which bottom-up processes interact in real time with top-down processes of two kinds: recognition of harmonic pitch patterns and recognition of key profiles.

Note: Article Parncutt R, Graz Univ, Dept Musicol, Mozartgasse 3, A-8010 Graz, AUSTRIA

Keyword(s): PERCEPTUAL JUDGMENTS; MUSICAL SCALES; PITCH; TONALITY; HIERARCHY; INTERVALS; CONTEXT; MODEL

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