Relative pitch perception and the detection of deviant tone patterns

Denham, Susan L. and Coath, Martin and Háden, Gábor P. and Murray, Fiona and Winkler, István (2016) Relative pitch perception and the detection of deviant tone patterns. In: Physiology, Psychoacoustics and Cognition in Normal and Impaired Hearing. Advances in Experimental Medicine and Biology (894). Springer, Cham Heidelberg New York Dordrecht London, pp. 409-417. ISBN 978-3-319-25472-2

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Most people are able to recognise familiar tunes even when played in a different key. It is assumed that this depends on a general capacity for relative pitch perception; the ability to recognise the pattern of inter-note intervals that characterises the tune. However, when healthy adults are required to detect rare deviant melodic patterns in a sequence of randomly transposed standard patterns they perform close to chance. Musically experienced participants perform better than naïve participants, but even they find the task difficult, despite the fact that musical training pays explicit attention to interval recognition. To understand the source of this difficulty we designed an experiment to explore the relative influence of the size of within-pattern intervals and between-pattern transpositions on detecting deviant melodic patterns. We found that task difficulty increases when patterns contain large intervals (5-7 semitones) rather than small intervals (1-3 semitones). While task difficulty increases substantially when transpositions are introduced, the effect of transposition size (large vs small) is weaker. Increasing the range of permissible intervals to be used also makes the task more difficult. Furthermore, providing an initial exact repetition followed by subsequent transpositions does not improve performance. Although musical training correlates with task performance, we find no evidence that violations to musical intervals important in Western music (i.e. the perfect fifth or fourth) are more easily detected. In summary, relative pitch perception does not appear to be conducive to simple explanations based exclusively on invariant physical ratios.

Item Type: Book Section
Uncontrolled Keywords: Relative pitch perception, Musical intervals, Oddball paradigm, Pattern detection, Deviant detection, Translation-invariant perception
Subjects: B Philosophy. Psychology. Religion / filozófia, pszichológia, vallás > BF Psychology / lélektan > BF09 Sensation / észlelés, érzékelés
B Philosophy. Psychology. Religion / filozófia, pszichológia, vallás > BF Psychology / lélektan > BF13 Memory and learning / emlékezet, tanulás
Depositing User: Dr. István Winkler
Date Deposited: 16 May 2016 18:48
Last Modified: 17 May 2016 23:15

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