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ERIC Number: EJ1006337
Record Type: Journal
Publication Date: 2013-Apr
Pages: 12
Abstractor: As Provided
Reference Count: 0
ISSN: ISSN-0093-934X
Vocal Pitch Shift in Congenital Amusia (Pitch Deafness)
Hutchins, Sean; Peretz, Isabelle
Brain and Language, v125 n1 p106-117 Apr 2013
We tested whether congenital amusics, who exhibit pitch perception deficits, nevertheless adjust the pitch of their voice in response to a sudden pitch shift applied to vocal feedback. Nine amusics and matched controls imitated their own previously-recorded speech or singing, while the online feedback they received was shifted mid-utterance by 25 or 200 cents. While a few amusics failed to show pitch-shift effects, a majority showed a pitch-shift response and nearly half showed a normal response to both large and small shifts, with similar magnitudes and response times as controls. The size and presence of the shift response to small shifts were significantly predicted by participants' vocal pitch matching accuracy, rather than their ability to perceive small pitch changes. The observed dissociation between the ability to consciously perceive small pitch changes and to produce and monitor vocal pitch provides evidence for a dual-route model of pitch processing in the brain. (Contains 3 tables and 5 figures.)
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Publication Type: Journal Articles; Reports - Research
Education Level: N/A
Audience: N/A
Language: English
Sponsor: N/A
Authoring Institution: N/A