Ability of Nucleus Cochlear Implantees to Recognize Music

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Abstract
Eight adults with cochlear implants participated in experiments to test their ability to recognize music. Some subjects showed good ability to recognize songs that were sung with instrumental accompaniment but poor ability to recognize songs played on an electronic keyboard without verbal cues, indicating that they were recognizing the songs by verbal cues rather than by musical qualities such as tones and melodic intervals. This conclusion was strengthened by the finding that subjects were barely able to distinguish between songs with the same rhythm and pitch range, and they showed poor ability to discriminate musical intervals. (The closest discrimination was 4 semitones.) Subjects had good ability to distinguish among the synthesized sounds of various musical instruments played on the electronic keyboard. We speculate that subjects could distinguish the various musical instruments in the same way they distinguish among human voices using spectrographic patterns such as formants or maxima.

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