Distinctive prosodic features of people with autism spectrum disorder: a systematic review and meta-analysis study

Abstract In this systematic review, we analyzed and evaluated the findings of studies on prosodic features of vocal productions of people with autism spectrum disorder (ASD) in order to recognize the statistically significant, most confirmed and reliable prosodic differences distinguishing people wi...

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Autores principales:	Seyedeh Zahra Asghari, Sajjad Farashi, Saeid Bashirian, Ensiyeh Jenabi
Formato:	article
Lenguaje:	EN
Publicado:	Nature Portfolio 2021
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/9af1b2770e4d4bcd8f6a985c0ebd01ab
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spelling	oai:doaj.org-article:9af1b2770e4d4bcd8f6a985c0ebd01ab2021-12-05T12:11:49ZDistinctive prosodic features of people with autism spectrum disorder: a systematic review and meta-analysis study10.1038/s41598-021-02487-62045-2322https://doaj.org/article/9af1b2770e4d4bcd8f6a985c0ebd01ab2021-11-01T00:00:00Zhttps://doi.org/10.1038/s41598-021-02487-6https://doaj.org/toc/2045-2322Abstract In this systematic review, we analyzed and evaluated the findings of studies on prosodic features of vocal productions of people with autism spectrum disorder (ASD) in order to recognize the statistically significant, most confirmed and reliable prosodic differences distinguishing people with ASD from typically developing individuals. Using suitable keywords, three major databases including Web of Science, PubMed and Scopus, were searched. The results for prosodic features such as mean pitch, pitch range and variability, speech rate, intensity and voice duration were extracted from eligible studies. The pooled standard mean difference between ASD and control groups was extracted or calculated. Using I2 statistic and Cochrane Q-test, between-study heterogeneity was evaluated. Furthermore, publication bias was assessed using funnel plot and its significance was evaluated using Egger’s and Begg’s tests. Thirty-nine eligible studies were retrieved (including 910 and 850 participants for ASD and control groups, respectively). This systematic review and meta-analysis showed that ASD group members had a significantly larger mean pitch (SMD = − 0.4, 95% CI [− 0.70, − 0.10]), larger pitch range (SMD = − 0.78, 95% CI [− 1.34, − 0.21]), longer voice duration (SMD = − 0.43, 95% CI [− 0.72, − 0.15]), and larger pitch variability (SMD = − 0.46, 95% CI [− 0.84, − 0.08]), compared with typically developing control group. However, no significant differences in pitch standard deviation, voice intensity and speech rate were found between groups. Chronological age of participants and voice elicitation tasks were two sources of between-study heterogeneity. Furthermore, no publication bias was observed during analyses (p > 0.05). Mean pitch, pitch range, pitch variability and voice duration were recognized as the prosodic features reliably distinguishing people with ASD from TD individuals.Seyedeh Zahra AsghariSajjad FarashiSaeid BashirianEnsiyeh JenabiNature PortfolioarticleMedicineRScienceQENScientific Reports, Vol 11, Iss 1, Pp 1-17 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q Seyedeh Zahra Asghari Sajjad Farashi Saeid Bashirian Ensiyeh Jenabi Distinctive prosodic features of people with autism spectrum disorder: a systematic review and meta-analysis study
description	Abstract In this systematic review, we analyzed and evaluated the findings of studies on prosodic features of vocal productions of people with autism spectrum disorder (ASD) in order to recognize the statistically significant, most confirmed and reliable prosodic differences distinguishing people with ASD from typically developing individuals. Using suitable keywords, three major databases including Web of Science, PubMed and Scopus, were searched. The results for prosodic features such as mean pitch, pitch range and variability, speech rate, intensity and voice duration were extracted from eligible studies. The pooled standard mean difference between ASD and control groups was extracted or calculated. Using I2 statistic and Cochrane Q-test, between-study heterogeneity was evaluated. Furthermore, publication bias was assessed using funnel plot and its significance was evaluated using Egger’s and Begg’s tests. Thirty-nine eligible studies were retrieved (including 910 and 850 participants for ASD and control groups, respectively). This systematic review and meta-analysis showed that ASD group members had a significantly larger mean pitch (SMD = − 0.4, 95% CI [− 0.70, − 0.10]), larger pitch range (SMD = − 0.78, 95% CI [− 1.34, − 0.21]), longer voice duration (SMD = − 0.43, 95% CI [− 0.72, − 0.15]), and larger pitch variability (SMD = − 0.46, 95% CI [− 0.84, − 0.08]), compared with typically developing control group. However, no significant differences in pitch standard deviation, voice intensity and speech rate were found between groups. Chronological age of participants and voice elicitation tasks were two sources of between-study heterogeneity. Furthermore, no publication bias was observed during analyses (p > 0.05). Mean pitch, pitch range, pitch variability and voice duration were recognized as the prosodic features reliably distinguishing people with ASD from TD individuals.
format	article
author	Seyedeh Zahra Asghari Sajjad Farashi Saeid Bashirian Ensiyeh Jenabi
author_facet	Seyedeh Zahra Asghari Sajjad Farashi Saeid Bashirian Ensiyeh Jenabi
author_sort	Seyedeh Zahra Asghari
title	Distinctive prosodic features of people with autism spectrum disorder: a systematic review and meta-analysis study
title_short	Distinctive prosodic features of people with autism spectrum disorder: a systematic review and meta-analysis study
title_full	Distinctive prosodic features of people with autism spectrum disorder: a systematic review and meta-analysis study
title_fullStr	Distinctive prosodic features of people with autism spectrum disorder: a systematic review and meta-analysis study
title_full_unstemmed	Distinctive prosodic features of people with autism spectrum disorder: a systematic review and meta-analysis study
title_sort	distinctive prosodic features of people with autism spectrum disorder: a systematic review and meta-analysis study
publisher	Nature Portfolio
publishDate	2021
url	https://doaj.org/article/9af1b2770e4d4bcd8f6a985c0ebd01ab
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_version_	1718372146622758912

Distinctive prosodic features of people with autism spectrum disorder: a systematic review and meta-analysis study

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