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The Effect of Lullaby Vocalization on Physiological Indices of One-Day-Old Full-Term Neonates
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Khosro Rashid *    , Kambiz Karimi , Mina Reshadian |
| Department of Psychology, Faculty of Economics and Social Sciences, Bu-Ali Sina University, Hamedan, Iran , khosrorashid@basu.ac.ir |
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Abstract: (450 Views) |
Background & aim: Lullabies, as an auditory stimulus in the neonatal environment, may have specific effects on infants' physiological responses. This study aimed to compare the impact of lullabies in three languages Turkish, Persian, and Mazandarani on the heart rate (HR) and respiratory rate (RR) of one-day-old full-term neonates whose mother tongue was Turkish.
Methods: This quasi-experimental study was conducted from December 2024 to February 2025 on 40 one-day-old full-term neonates with Turkish as their mother tongue at Atiyeh Hospital in Hamadan. Participants were randomly assigned via simple randomization into four groups (three intervention groups and one control group). Lullabies in three languages Turkish, Persian, and Mazandarani were played for the infants in the intervention groups for 10 minutes, during which their heart rate and respiratory rate were measured and recorded using standardized monitoring devices calibrated in accordance with ISO 80601-2-61. Data were analyzed using SPSS software version 26 and multivariate analysis of variance (MANOVA).
Results: After ensuring the fulfillment of statistical assumptions, MANOVA revealed that lullaby vocalizations significantly affected the neonates' HR and RR. Specifically, lullabies increased HR (P < 0.01) and decreased RR (P < 0.05) compared to the control group (HR: M = 121.79 ± 2.99 bpm; RR: M = 45.46 ± 1.79 breaths/min). The Turkish lullaby had the most pronounced effect on physiological responses (HR: M = 138.04 ± 2.99 bpm; RR: M = 38.27 ± 1.69 breaths/min). Effect size analysis indicated that the Turkish lullaby had the largest effect on HR (η² = 0.345) and RR (η² = 0.198).
Conclusion: The findings suggest that lullabies in the mother tongue may help regulate neonates' physiological parameters. Despite limitations such as sample size and use of recorded lullabies, this low-cost intervention shows potential for implementation in neonatal care units. |
Article number: 8 |
| Keywords: Lullaby, Heart Rate, Respiratory Rate, Mother Tongue, Neonatal Nursing Care, Full-Term Neonates |
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Full-Text [PDF 1172 kb]
(144 Downloads)
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Type of Study: Research |
Subject:
Special
Received: 2025/07/13 | Accepted: 2025/12/7 | Published: 2026/04/15
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