Octave-shifted pitch matching in nonword imitations

The effects of lexical stress and speech sound disorder (L)

Beate Peter, Tara Larkin, Carol Stoel-Gammon

Research output: Contribution to journalArticle

3 Citations (Scopus)

Abstract

Perceptual similarities of musical tones separated by octave intervals are known as octave equivalence (OE). Peter [(2008). Proceedings of the Fourth Conference on Speech Prosody, edited S. Maduerira, C. Reis, and P. Barbosa, Luso-Brazilian Association of Speech Sciences, Campinas, pp. 731-734] found evidence of octave-shifted pitch matching (OSPM) in children during verbal imitation tasks, implying OE in speech tokens. This study evaluated the role of lexical stress and speech sound disorder (SSD) in OSPM. Eleven children with SSD and 11 controls imitated low-pitched nonwords. Stimulus/response f0 ratios were computed. OSPM was expressed preferentially in stressed vowels. SSD was associated with reduced expression of OSPM in unstressed vowels only. Results are consistent with the psycholinguistic prominence of lexical stress and prosodic deficits in SSD.

Original languageEnglish (US)
Pages (from-to)1663-1666
Number of pages4
JournalJournal of the Acoustical Society of America
Volume126
Issue number4
DOIs
StatePublished - 2009
Externally publishedYes

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octaves
disorders
acoustics
vowels
psycholinguistics
equivalence
Speech Sound Disorders
Octave
Lexical Stress
Imitation
Nonwords
stimuli
congressional reports
intervals

ASJC Scopus subject areas

  • Acoustics and Ultrasonics

Cite this

Octave-shifted pitch matching in nonword imitations : The effects of lexical stress and speech sound disorder (L). / Peter, Beate; Larkin, Tara; Stoel-Gammon, Carol.

In: Journal of the Acoustical Society of America, Vol. 126, No. 4, 2009, p. 1663-1666.

Research output: Contribution to journalArticle

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