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Developmental changes in the perception of pitch contour: distinguishing up from down
Stephanie M Stalinski1, E Glenn Schellenberg, Sandra E Trehub
1Department of Psychology, University of Toronto at Mississauga, Mississauga, Ontario L5L 1C6, Canada.
Abstract:
Musically untrained participants in five age groups (5-, 6-, 8-, and 11-year-olds, and adults) heard sequences of three 1 s piano tones in which the first and third tones were identical (A5, or 880 Hz) but the middle tone was displaced upward or downward in pitch. Their task was to identify whether the middle tone was higher or lower than the other two tones. In experiment 1, 5-year-olds successfully identified upward and downward shifts of 4, 2, 1, 0.5, and 0.3 semitones. In experiment 2, older children (6-, 8-, and 11-year-olds) and adults successfully identified the same shifts as well as a smaller shift (0.1 semitone). For all age groups, performance accuracy decreased as the size of the shift decreased. Performance improved from 5 to 8 years of age, reaching adult levels at 8 years.
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