Evidence map›Paper›PMID 40088705›Full record

ArticleResearch in developmental disabilities2025

The robustness of speech-like vocalization in typically developing infants and infants with autism.

D Kimbrough Oller, Edina R Bene, Hyunjoo Yoo, Pumpki Lei Su, Helen Long, Cheryl Klaiman, Stormi L Pulver, Moira L Pileggi, Natalie Brane, Gordon Ramsay

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Article in Research in developmental disabilities, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.

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1 · What the graph read from it

What it found

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2 · The registry

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3 · Its place in the literature

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4 · The record

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5 · Who and what money

Authors and funding

10 authors.

D Kimbrough OllerOrigin of Language Laboratory, School of Communication Sciences and Disorders, University of Memphis, Memphis, TN, USA; Institute for Intelligent Systems, University of Memphis, Memphis, TN, USA; Konrad Lorenz Institute for Evolution and Cognition Research, Klosterneuburg, Austria. Electronic address: koller@memphis.edu.
Edina R BeneOrigin of Language Laboratory, School of Communication Sciences and Disorders, University of Memphis, Memphis, TN, USA.
Hyunjoo YooDepartment of Communicative Disorders, College of Arts & Sciences, The University of Alabama, Tuscaloosa, AL, USA.
Pumpki Lei SuDepartment of Speech, Language, and Hearing, School of Behavioral and Brain Sciences, The University of Texas at Dallas, Richardson, TX, USA; Callier Center for Communication Disorders, The University of Texas at Dallas, Dallas, TX, USA.
Helen LongDept.of Psychological Sciences, Case Western Reserve University, Cleveland, OH, USA.
Cheryl KlaimanSpoken Communication Laboratory, Marcus Autism Center, Children's Healthcare of Atlanta, Atlanta, GA, USA; Department of Pediatrics, Emory School of Medicine, Atlanta, GA, USA.
Stormi L PulverSpoken Communication Laboratory, Marcus Autism Center, Children's Healthcare of Atlanta, Atlanta, GA, USA; Department of Pediatrics, Emory School of Medicine, Atlanta, GA, USA.
Moira L PileggiSpoken Communication Laboratory, Marcus Autism Center, Children's Healthcare of Atlanta, Atlanta, GA, USA.
Natalie BraneSpoken Communication Laboratory, Marcus Autism Center, Children's Healthcare of Atlanta, Atlanta, GA, USA.
Gordon RamsaySpoken Communication Laboratory, Marcus Autism Center, Children's Healthcare of Atlanta, Atlanta, GA, USA; Department of Pediatrics, Emory School of Medicine, Atlanta, GA, USA.

Funding

The ontogeny of social vocal engagement and its derailment in autismP50MH100029 · NIMH · EMORY UNIVERSITY · PI RAMSAY, GORDON JAMES · 2012 to 2021
$20.1M
Infant Vocal Communication: Typical Development and Autism RiskR01DC015108 · NIDCD · UNIVERSITY OF MEMPHIS · PI OLLER, D. KIMBROUGH · 2016 to 2020
$2.8M
NIDCD NIH HHS R01 DC015108NIMH NIH HHS P50 MH100029
6 · The paper itself

Abstract

backgroundHuman infants produce speech-like vocalizations ("volubility") at very high rates, 4-5 per minute during waking hours across the first year, far exceeding rates of our ape relatives.

aimsWe document volubility in 127 typically developing (TD) infants, 44 with autism (ASD), and 21 with non-autism developmental delay (DD) through longitudinal recordings and human coding. METHODS AND PROCEDURES: Families of 302 infants (110 not yet diagnosed or with other diagnoses) supplied 8.6 all-day recordings across the first year. Trained coders analyzed 21 randomly-selected 5-minute segments per recording, counting speech-like vocalizations, cries, and laughter. OUTCOMES AND

resultsInfants in all groups (including those with other diagnoses or not yet diagnosed) showed volubility of 4-5 per minute for the first year, but boys showed higher volubility than girls in the TD, ASD, and DD groups. While volubility was relatively stable across the first year for both boy and girl TD infants, volubility fell in both ASD and DD boys, while being more stable for girls. CONCLUSIONS AND IMPLICATIONS: Strong similarities in volubility were seen across all groups, but male infants diagnosed with ASD or DD showed falling volubility across the first year, a pattern not seen in TD infants.

Indexed as

Autism Spectrum DisorderAutistic DisorderChild DevelopmentDevelopmental DisabilitiesSpeechCryingFemaleHumansInfantLaughterLongitudinal StudiesMaleSex FactorsAutismDevelopmental DisabilityInfant vocalizationVolubility

Identifiers

PMID40088705
PMCPMC11932026

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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the Socratic graph.