Title: Tonal synchrony in mother–infant interaction based on harmonic and pentatonic series
Authors: Van Puyvelde, Martine
Vanfleteren, Paul
Loots, Gerrit
Deschuyffeleer, Sara
Vinck, Bart
Jacquet, Wolfgang
Verhelst, Werner
Issue Date: 2010
Publisher: Ablex Pub.
Series Title: Infant Behavior & Development vol:33 issue:4 pages:387-400
Host Document: Infant Behavior & Development
Abstract: This study reports the occurrence of ‘tonal synchrony’ as a new dimension of early mother–infant interaction synchrony. The findings are based on a tonal and temporal analysis of vocal interactions between 15 mothers and their 3-month-old infants during 5 min of free-play in a laboratory setting. In total, 558 vocal exchanges were identified and analysed, of which 84% reflected harmonic or pentatonic series. Another 10% of the exchanges contained absolute and/or relative pitch and/or interval imitations. The total durations of dyads being in tonal synchrony were normally distributed (M= 3.71, SD = 2.44). Vocalisations based on harmonic series appeared organised around the major triad, containing significantly more simple frequency ratios (octave, fifth and third) than complex ones (non-major triad tones). Tonal synchrony and its characteristics are discussed in relation to infant-directed speech, communicative musicality, pre-reflective communication and its impact on the quality of early mother–infant interaction and child’s development.
ISSN: 0163-6383
Publication status: published
KU Leuven publication type: IT
Appears in Collections:Research Center Finance, Leuven
Faculty of Economics and Business (FEB) - miscellaneous
Centre for Business Expertise, FEB, Campus Brussels (-)

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