People with Absolute Pitch Process Tones Without Producing a P300

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Science  23 Mar 1984:
Vol. 223, Issue 4642, pp. 1306-1309
DOI: 10.1126/science.223.4642.1306


The P300 is a positive-going component of the event-related potential. In subjects with absolute, or "perfect," pitch, the P300 elicited by the less frequent of two auditory probes is small or absent. In these subjects, visual probes elicit a normal P300. These results support the view of P300 as a manifestation of the updating of working memory.