Abstract:
:The accuracy and consistency of absolute pitch (AP) judgments have been measured on three subjects in two longitudinal studies separated by twenty years. The drifts and cyclical variations observed in the earlier study still persisted, and an investigation of two other subjects, one of whom was first studied forty years ago, suggests that they might undergo similar cyclical variations in their pitch perception. Pitch judgments also varied during the day. The detailed observations of these nonrandom fluctuations have been used to determine a value for the underlying consistency of the AP estimates. When the effects of the daytime variations and longer-term drifts were removed, the values for this consistency, as measured by the standard deviation, were calculated to be 3.1, 3.4, 3.7, 4.4, and 4.5 Hz for the five subjects. When an oscillator was used to produce the estimate, the consistency of the judgments was observed to depend on the accuracy of those judgments.
journal_name
Perceptionjournal_title
Perceptionauthors
Wynn VTdoi
10.1068/p220113subject
Has Abstractpub_date
1993-01-01 00:00:00pages
113-21issue
1eissn
0301-0066issn
1468-4233journal_volume
22pub_type
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