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Vocal responsiveness of preterm infants to maternal infant-directed speaking and singing during skin-to-skin contact (Kangaroo Care) in the NICU
Affiliation:1. CESEM-NOVA-FCSH, Portugal;2. Faculdade de Psicologia, Universidade de Lisboa, Portugal;3. Laboratoire Ethologie, Cognition, Développement, Université Paris Nanterre, France;4. Maternidade Dr. Alfredo da Costa – Centro Hospitalar Universitário de Lisboa Central, Portugal;1. Tehran University of Medical Sciences, Tehran, Iran;2. Maternal-Fetal & Neonatal Research Center, Tehran University of Medical Sciences, Tehran, Iran;1. Ludwig-Maximilians-University, Munich, Germany;2. Laboratoire Parole et Langage, UMR 7309, CNRS / Aix-Marseille University, Aix-en-Provence, France;3. Laboratoire Phonétique et Phonologie, UMR 7018, CNRS / Université Sorbonne Nouvelle Paris-3, Paris, France;4. University of California, Merced, USA;1. Department of Psychology, Marymount University, USA;2. Eunice Kennedy Shriver National Institute of Child Health and Human Development, Bethesda, MD, USA;3. Institute for Fiscal Studies, London, UK;4. UNICEF, New York, NY, USA;1. Department of Psychology, University of Massachusetts Amherst, United States;2. Division of Newborn Medicine, Baystate Children''s Hospital, Springfield, MA, United States;1. School of Nursing and Midwifery, Queen''s University Belfast, Northern Ireland, UK;2. Lawrence S. Bloomberg Faculty of Nursing, University of Toronto, Canada;1. Université Toulouse III Paul-Sabatier, 330, avenue de Grande Bretagne, 31059 Toulouse cedex 9, France;2. I.Ya. Horbachevsky Ternopil State Medical University, 1, Maydan Voli, 46001 Ternopil, Ukraine
Abstract:Vocalizations of full-term newborns occur in a short latency time during the neonatal period. Contingent response time of preterm babies is still unknown. An increase of preterm babies’ vocalizations following exposure to parental speech was also observed. Mothers and babies co-modulate their vocalizations in preterm dyads. Purpose: To observe temporal features of maternal and infants’ vocalizations in speaking and singing conditions in preterm dyads. Methods: In a NICU mothers (N = 36) were invited to speak and to sing to their preterm infants during Kangaroo Care. Microanalysis of temporal units were performed with ELAN Software. Results and conclusions: Preterm infants vocalize less often while their mothers speak and sing than during baseline and their vocalizations tend to be more alternating in the speaking condition and more overlapping in the singing condition. It is also concluded that preterm infants take more time to respond to maternal speaking than to maternal singing.
Keywords:Preterm dyads  Maternal speaking  Maternal singing  Preterm infants’ vocalizations  Expressive timing  Kangaroo care
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