{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,5,4]],"date-time":"2026-05-04T18:12:50Z","timestamp":1777918370469,"version":"3.51.4"},"reference-count":39,"publisher":"SAGE Publications","issue":"5","license":[{"start":{"date-parts":[[2017,7,21]],"date-time":"2017-07-21T00:00:00Z","timestamp":1500595200000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/journals.sagepub.com\/page\/policies\/text-and-data-mining-license"}],"content-domain":{"domain":["journals.sagepub.com"],"crossmark-restriction":true},"short-container-title":["Psychology of Music"],"published-print":{"date-parts":[[2018,9]]},"abstract":"<jats:p>We compared infants\u2019 vocalizations produced both in singing and speaking conditions. In this study we collected the vocalizations of 12 infants aged between 12 and 24 months. Each 30-minute session integrated two stimulus conditions \u2013 speaking and singing. An acoustic analysis was developed in order to measure both segmental properties and melodic and rhythmic features. The results showed significant differences in the vocalizations to which the two stimulus conditions gave rise: in the duration of the vocalizations and the duration of the phonation, the number of nuclei and the duration of each nucleus present in the vocalizations. In particular, the greater extension of vowels in vocalizations in response to the singing condition seems to be distinctive from those produced in response to the speaking condition. This may reveal that there is a precocious distinction between the singing voice and the speaking voice. The acoustic analysis that we used shows promise in monitoring children\u2019s sequential singing development from early infancy onwards.<\/jats:p>","DOI":"10.1177\/0305735617719335","type":"journal-article","created":{"date-parts":[[2017,7,21]],"date-time":"2017-07-21T04:50:38Z","timestamp":1500612638000},"page":"626-637","update-policy":"https:\/\/doi.org\/10.1177\/sage-journals-update-policy","source":"Crossref","is-referenced-by-count":6,"title":["Vocalizations produced in the second year of life in response to speaking and singing"],"prefix":"10.1177","volume":"46","author":[{"given":"Jo\u00e3o","family":"Reigado","sequence":"first","affiliation":[{"name":"Centro de Estudos de Sociologia e Est\u00e9tica Musical, Faculdade de Ci\u00eancias Sociais e Humanas, Universidade NOVA de Lisboa, Portugal"}]},{"given":"Helena","family":"Rodrigues","sequence":"additional","affiliation":[{"name":"Centro de Estudos de Sociologia e Est\u00e9tica Musical, Departamento de Ci\u00eancias Musicais, Faculdade de Ci\u00eancias Sociais e Humanas, Universidade NOVA de Lisboa, Portugal"}]}],"member":"179","published-online":{"date-parts":[[2017,7,21]]},"reference":[{"key":"bibr1-0305735617719335","first-page":"454","volume-title":"Proceedings of the 7th International Conference on Music Perception and Cognition [CD-ROM]","author":"Adachi M.","year":"2002"},{"key":"bibr2-0305735617719335","doi-asserted-by":"publisher","DOI":"10.1177\/002383099503800401"},{"key":"bibr3-0305735617719335","unstructured":"Boersma P., Weenink D. (2006). Praat: Doing phonetics by computer (Version 4.4.04) [Computer software]. Retrieved from http:\/\/www.praat.org\/"},{"key":"bibr4-0305735617719335","doi-asserted-by":"publisher","DOI":"10.1177\/0022429414530564"},{"key":"bibr5-0305735617719335","doi-asserted-by":"publisher","DOI":"10.1093\/mtp\/24.1.22"},{"key":"bibr6-0305735617719335","doi-asserted-by":"publisher","DOI":"10.1016\/B978-012213564-4\/50016-0"},{"key":"bibr7-0305735617719335","unstructured":"Ghazban N. (2013). Emotion regulation in infants using maternal singing and speech (Unpublished doctoral dissertation). Ryerson University, Toronto, Canada."},{"key":"bibr8-0305735617719335","volume-title":"Teoria de aprendizagem musical. Compet\u00eancias, conte\u00fados e padr\u00f5es","author":"Gordon E.","year":"2000"},{"key":"bibr9-0305735617719335","unstructured":"Grabe E., Post B., Watson I. (1999). The acquisition of rhythmic patterns in English and French. In Ohala J. J., Hasegawa Y., Ohala M., Granville D., Bailey A. C. (Eds.), Proceedings of the 14th International Congress of Phonetic Sciences, San Francisco (pp. 1201\u20131204). Retrieved from http:\/\/www.jimflege.com\/files\/McAllister_Flege_ICPhS_San_Francisco_1999.pdf"},{"key":"bibr10-0305735617719335","doi-asserted-by":"crossref","first-page":"45","DOI":"10.7202\/1012655ar","volume":"19","author":"Gratier M.","year":"2012","journal-title":"Interm\u00e9dialit\u00e9s"},{"key":"bibr11-0305735617719335","doi-asserted-by":"publisher","DOI":"10.1093\/acprof:oso\/9780198523321.003.0006"},{"key":"bibr12-0305735617719335","unstructured":"Hornbach C. M. (2005). Ah-eee-ah-eee-yah-eee, bum and pop, pop, pop: Teacher initiatives, teacher silence, and children\u2019s vocal responses in early childhood music classes (Unpublished doctoral dissertation). Michigan State University, East Lansing, MI."},{"key":"bibr13-0305735617719335","doi-asserted-by":"publisher","DOI":"10.1177\/0022429414555984"},{"key":"bibr14-0305735617719335","doi-asserted-by":"publisher","DOI":"10.1002\/(SICI)1098-2302(199805)32:4<261::AID-DEV1>3.0.CO;2-L"},{"key":"bibr15-0305735617719335","doi-asserted-by":"publisher","DOI":"10.1177\/0305735608097042"},{"key":"bibr16-0305735617719335","first-page":"23","volume-title":"Proceedings of Speech Prosody 2004, Nara, Japan","author":"Mertens P.","year":"2004"},{"key":"bibr17-0305735617719335","volume-title":"The musical experience of the pre-school child","author":"Moog H.","year":"1968"},{"key":"bibr18-0305735617719335","doi-asserted-by":"publisher","DOI":"10.1016\/j.infbeh.2004.03.002"},{"key":"bibr19-0305735617719335","doi-asserted-by":"publisher","DOI":"10.1093\/acprof:oso\/9780198523321.003.0002"},{"key":"bibr20-0305735617719335","doi-asserted-by":"publisher","DOI":"10.1093\/acprof:oso\/9780198523321.003.0004"},{"key":"bibr21-0305735617719335","volume-title":"Music, language, and the brain","author":"Patel A.","year":"2008"},{"key":"bibr22-0305735617719335","volume-title":"An\u00e1lise ac\u00fastica das vocaliza\u00e7\u00f5es de beb\u00e9s de 9 a 11 meses face a est\u00edmulos musicais e lingu\u00edsticos","author":"Reigado J.","year":"2009"},{"key":"bibr23-0305735617719335","doi-asserted-by":"publisher","DOI":"10.1177\/0255761411408507"},{"key":"bibr24-0305735617719335","first-page":"61","volume":"17","author":"Rodrigues H.","year":"2005","journal-title":"Revista da Faculdade de Ci\u00eancias Sociais e Humanas"},{"key":"bibr25-0305735617719335","volume-title":"Beb\u00e9Bab\u00e1: da musicalidade dos afectos \u00e0 m\u00fasica com beb\u00e9s","author":"Rodrigues H.","year":"2003"},{"key":"bibr26-0305735617719335","doi-asserted-by":"publisher","DOI":"10.5334\/jpl.99"},{"key":"bibr27-0305735617719335","first-page":"159","volume":"24","author":"Scotto Di Carlo N.","year":"2005","journal-title":"Travaux Interdisciplinares du Laboratoire Parole et Langage"},{"key":"bibr28-0305735617719335","first-page":"189","volume":"14","author":"Scotto Di","year":"1992","journal-title":"Travaux de l\u2019Institut de Phon\u00e9tique d\u2019Aix"},{"key":"bibr29-0305735617719335","unstructured":"Stadler Elmer S. 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