Activities per year
Tonal or melodic contours of maternal voice directed to infants play a role in infants’ self-regulation and vocal responsiveness. However, we are unaware about melodic contours of maternal humming directed to preterm infants and its role for infants’ vocal responsiveness. We aimed (1) to identify the melodic contours (sinusoidal, bell-shaped, U-shaped, rising, falling, and linear contours) of maternal humming directed to preterm infants in kangaroo care and (2) to identify preterm infants’ overlapping vocalizations in each humming melodic contour. Mothers (N = 36) were invited to speak and to hum (using an improvised melody) for their preterm infants during kangaroo care. A temporal segmentation (frequency and lengths) of melodic contours of humming, and descriptive comparative analyses were performed. We found a predominance of sinusoidal contours, followed by bell-shaped, rising, falling, U-shaped, and, finally, linear contours. Also a predominance of infants’ overlapping vocalizations was found in sinusoidal and in bell-shaped contours. This study underlines the role of melodic contours of maternal humming to preterm infants, highlighting its communicative functions for the vocal engagement of preterm infants during kangaroo care.
- Preterm infants
- Maternal humming
- Kangaroo care
- Melodic contours
- Infants’ overlapping vocalizations
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Projeto de investigação individual "A voz materna na condição do método canguru vs. condição incubadora: análise dos parâmetros acústicos vocais, dos parâmetros vitais neonatais e da relação contingente das díades pré-termo.".
Maria Eduarda Salgado Carvalho (Recipient)15 Mar 2016 → 30 Dec 2020