Marc F. Maffei

Many Moving Parts: A Motor-Based Perspective on Developmental Speech and Language Research in Neurodevelopmental Disorders

Marc F. Maffei, Jana Iverson

Research interest in the motor skills of children with neurodevelopmental disorders (NDDs) such as autism spectrum disorder and developmental language disorder is growing, for purposes including the prediction of language outcomes. Gross, fine, and oral motor skills are each associated with language …

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Construct Validity of the Amyotrophic Lateral Sclerosis Bulbar Dysfunction Index–Remote

Timothy Pommée, Liziane Bouvier, Carolina Barnett, Marc F. Maffei et autres

PURPOSE: The Amyotrophic Lateral Sclerosis Bulbar Dysfunction Index-Remote (ALSBDI-R) is a clinician-administered tool designed to assess bulbar dysfunction remotely in patients with amyotrophic lateral sclerosis (ALS). This study aimed to evaluate the construct validity of the ALSBDI-R by examining its correlation with …

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An Acoustic Analysis of Speech Motor Performance in Autistic Children

Marc F. Maffei, Karen Chenausky, Helen Tager‐Flusberg, Jordan R. Green

PURPOSE: Despite known motor and spoken language impairments in autism spectrum disorder (ASD), the motor skills underlying speech production and their relationship with language skills have rarely been directly investigated in this population. METHOD: Thirty-nine autistic children (14 minimally verbal [MV], 25 …

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Trial Ready: Informing a Mobility Intervention Trial for Infants with Down Syndrome

Ashley N. Collimore, Izza Choudhry, Erica Friedman, Marc F. Maffei et autres

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The Intersection of Variability in Gross Motor Performance and Adaptive Behavior in Young Autistic Children: Combining Video Data Analysis and Standardized Assessments

Maria J. Ayoub, Laura Keegan, Helen Tager‐Flusberg, Karen Chenausky et autres

Autism research has shown relationships between motor skills and other developmental domains. However, little research has examined variability in gross motor performance and its potential relation to adaptive behavior in this population. The purpose of this study was to use task-based measures …

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Conversational Latency in Autistic Children With Heterogeneous Spoken Language Abilities

Lue Shen, Anfeng Xu, Lindsay K. Butler, Karen Chenausky et autres

PURPOSE: Conversational latency entails the temporal feature of turn-taking, which is understudied in autistic children. The current study investigated the influences of child-based and parental factors on conversational latency in autistic children with heterogeneous spoken language abilities. METHOD: Participants were 46 autistic …

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Exploring Motor Speech Disorders in Low and Minimally Verbal Autistic Individuals: An Auditory-Perceptual Analysis

Marc F. Maffei, Karen Chenausky, Abigail E. Haenssler, Claudia Abbiati et autres

PURPOSE: Motor deficits are widely documented among autistic individuals, and speech characteristics consistent with a motor speech disorder have been reported in prior literature. We conducted an auditory-perceptual analysis of speech production skills in low and minimally verbal autistic individuals as a …

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Feedback From Automatic Speech Recognition to Elicit Clear Speech in Healthy Speakers

Sarah E. Gutz, Marc F. Maffei, Jordan R. Green

PURPOSE: This study assessed the effectiveness of feedback generated by automatic speech recognition (ASR) for eliciting clear speech from young, healthy individuals. As a preliminary step toward exploring a novel method for eliciting clear speech in patients with dysarthria, we investigated the …

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Validation of a Task-Independent Cepstral Peak Prominence Measure with Voice Activity Detection

Olivia Murton, Abigail E. Haenssler, Marc F. Maffei, Kathryn P. Connaghan et autres

Amyotrophic Lateral Sclerosis–Bulbar Dysfunction Index–Remote: Test–Retest and Interrater Reliability of Candidate Items

Liziane Bouvier, Jordan R. Green, Carolina Barnett Tapia, Victoria Tilton-Bolowsky et autres

PURPOSE: The primary aim of this study was to establish the reliability of candidate items as a step in the development of the Amyotrophic Lateral Sclerosis-Bulbar Dysfunction Index-Remote (ALS-BDI-Remote), a novel tool being developed for the detection and monitoring of bulbar signs …

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Oromotor skills in autism spectrum disorder: A scoping review

Marc F. Maffei, Karen Chenausky, Simone V. Gill, Helen Tager‐Flusberg et autres

Oromotor functioning plays a foundational role in spoken communication and feeding, two areas of significant difficulty for many autistic individuals. However, despite years of research and established differences in gross and fine motor skills in this population, there is currently no clear …

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Acoustic Measures of Dysphonia in Amyotrophic Lateral Sclerosis

Marc F. Maffei, Jordan R. Green, Olivia Murton, Yana Yunusova et autres

PURPOSE: Identifying efficacious measures to characterize dysphonia in complex neurodegenerative diseases is key to optimal assessment and intervention. This study evaluates the validity and sensitivity of acoustic features of phonatory disruption in amyotrophic lateral sclerosis (ALS). METHOD: Forty-nine individuals with ALS (40-79 …

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