How effective is LENA in detecting speech vocalizations and language produced by children and adolescents with ASD in different contexts? / R. M. JONES in Autism Research, 12-4 (April 2019)  

Public ISBD [article]  inAutism Research > 12-4 (April 2019) . - p.628-635 Titre : How effective is LENA in detecting speech vocalizations and language produced by children and adolescents with ASD in different contexts? Type de document : Texte imprimé et/ou numérique Auteurs : R. M. JONES, Auteur ; D. PLESA SKWERER, Auteur ; R. PAWAR, Auteur ; A. HAMO, Auteur ; Caroline CARBERRY, Auteur ; Eliana L. AJODAN, Auteur ; D. CAULLEY, Auteur ; M. R. SILVERMAN, Auteur ; S. MCADOO, Auteur ; S. MEYER, Auteur ; A. YODER, Auteur ; M. CLEMENTS, Auteur ; C. LORD, Auteur ; Helen TAGER-FLUSBERG, Auteur Article en page(s) : p.628-635 Langues : Anglais (eng) Mots-clés : Lena  acoustic recordings  autism spectrum disorder  automated language detection  communication Index. décimale : PER Périodiques Résumé : The LENA system was designed and validated to provide information about the language environment in children 0 to 4 years of age and its use has been expanded to populations with a number of communication profiles. Its utility in children 5 years of age and older is not yet known. The present study used acoustic data from two samples of children with autism spectrum disorders (ASD) to evaluate the reliability of LENA automated analyses for detecting speech utterances in older, school age children, and adolescents with ASD, in clinic and home environments. Participants between 5 and 18 years old who were minimally verbal (study 1) or had a range of verbal abilities (study 2) completed standardized assessments in the clinic (study 1 and 2) and in the home (study 2) while speech was recorded from a LENA device. We compared LENA segment labels with manual ground truth coding by human transcribers using two different methods. We found that the automated LENA algorithms were not successful (<50% reliable) in detecting vocalizations from older children and adolescents with ASD, and that the proportion of speaker misclassifications by the automated system increased significantly with the target-child's age. The findings in children and adolescents with ASD suggest possibly misleading results when expanding the use of LENA beyond the age ranges for which it was developed and highlight the need to develop novel automated methods that are more appropriate for older children. Autism Research 2019, 12: 628-635. (c) 2019 International Society for Autism Research, Wiley Periodicals, Inc. LAY SUMMARY: Current commercially available speech detection algorithms (LENA system) were previously validated in toddlers and children up to 48 months of age, and it is not known whether they are reliable in older children and adolescents. Our data suggest that LENA does not adequately capture speech in school age children and adolescents with autism and highlights the need to develop new automated methods for older children. En ligne : https://dx.doi.org/10.1002/aur.2071 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=389 [article] How effective is LENA in detecting speech vocalizations and language produced by children and adolescents with ASD in different contexts? [Texte imprimé et/ou numérique] / R. M. JONES, Auteur ; D. PLESA SKWERER, Auteur ; R. PAWAR, Auteur ; A. HAMO, Auteur ; Caroline CARBERRY, Auteur ; Eliana L. AJODAN, Auteur ; D. CAULLEY, Auteur ; M. R. SILVERMAN, Auteur ; S. MCADOO, Auteur ; S. MEYER, Auteur ; A. YODER, Auteur ; M. CLEMENTS, Auteur ; C. LORD, Auteur ; Helen TAGER-FLUSBERG, Auteur . - p.628-635. Langues : Anglais (eng) in Autism Research > 12-4 (April 2019) . - p.628-635 Mots-clés : Lena  acoustic recordings  autism spectrum disorder  automated language detection  communication Index. décimale : PER Périodiques Résumé : The LENA system was designed and validated to provide information about the language environment in children 0 to 4 years of age and its use has been expanded to populations with a number of communication profiles. Its utility in children 5 years of age and older is not yet known. The present study used acoustic data from two samples of children with autism spectrum disorders (ASD) to evaluate the reliability of LENA automated analyses for detecting speech utterances in older, school age children, and adolescents with ASD, in clinic and home environments. Participants between 5 and 18 years old who were minimally verbal (study 1) or had a range of verbal abilities (study 2) completed standardized assessments in the clinic (study 1 and 2) and in the home (study 2) while speech was recorded from a LENA device. We compared LENA segment labels with manual ground truth coding by human transcribers using two different methods. We found that the automated LENA algorithms were not successful (<50% reliable) in detecting vocalizations from older children and adolescents with ASD, and that the proportion of speaker misclassifications by the automated system increased significantly with the target-child's age. The findings in children and adolescents with ASD suggest possibly misleading results when expanding the use of LENA beyond the age ranges for which it was developed and highlight the need to develop novel automated methods that are more appropriate for older children. Autism Research 2019, 12: 628-635. (c) 2019 International Society for Autism Research, Wiley Periodicals, Inc. LAY SUMMARY: Current commercially available speech detection algorithms (LENA system) were previously validated in toddlers and children up to 48 months of age, and it is not known whether they are reliable in older children and adolescents. Our data suggest that LENA does not adequately capture speech in school age children and adolescents with autism and highlights the need to develop new automated methods for older children. En ligne : https://dx.doi.org/10.1002/aur.2071 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=389

Increased Eye Contact During Conversation Compared to Play in Children With Autism / Rebecca M. JONES in Journal of Autism and Developmental Disorders, 47-3 (March 2017)  

Public ISBD [article]  inJournal of Autism and Developmental Disorders > 47-3 (March 2017) . - p.607-614 Titre : Increased Eye Contact During Conversation Compared to Play in Children With Autism Type de document : Texte imprimé et/ou numérique Auteurs : Rebecca M. JONES, Auteur ; Audrey SOUTHERLAND, Auteur ; Amarelle HAMO, Auteur ; Caroline CARBERRY, Auteur ; Chanel BRIDGES, Auteur ; Sarah NAY, Auteur ; Elizabeth STUBBS, Auteur ; Emily KOMAROW, Auteur ; Clay WASHINGTON, Auteur ; James M. REHG, Auteur ; Catherine LORD, Auteur ; Agata ROZGA, Auteur Article en page(s) : p.607-614 Langues : Anglais (eng) Mots-clés : Autism spectrum disorder (ASD)  Eye contact  Gaze  Context  Play  Naturalistic interactions Index. décimale : PER Périodiques Résumé : Children with autism have atypical gaze behavior but it is unknown whether gaze differs during distinct types of reciprocal interactions. Typically developing children (N?=?20) and children with autism (N?=?20) (4–13 years) made similar amounts of eye contact with an examiner during a conversation. Surprisingly, there was minimal eye contact during interactive play in both groups. Gaze behavior was stable across 8 weeks in children with autism (N?=?15). Lastly, gaze behavior during conversation but not play was associated with autism social affect severity scores (ADOS CSS SA) and the Social Responsiveness Scale (SRS-2). Together findings suggests that eye contact in typical and atypical development is influenced by subtle changes in context, which has implications for optimizing assessments of social communication skills. En ligne : http://dx.doi.org/10.1007/s10803-016-2981-4 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=304 [article] Increased Eye Contact During Conversation Compared to Play in Children With Autism [Texte imprimé et/ou numérique] / Rebecca M. JONES, Auteur ; Audrey SOUTHERLAND, Auteur ; Amarelle HAMO, Auteur ; Caroline CARBERRY, Auteur ; Chanel BRIDGES, Auteur ; Sarah NAY, Auteur ; Elizabeth STUBBS, Auteur ; Emily KOMAROW, Auteur ; Clay WASHINGTON, Auteur ; James M. REHG, Auteur ; Catherine LORD, Auteur ; Agata ROZGA, Auteur . - p.607-614. Langues : Anglais (eng) in Journal of Autism and Developmental Disorders > 47-3 (March 2017) . - p.607-614 Mots-clés : Autism spectrum disorder (ASD)  Eye contact  Gaze  Context  Play  Naturalistic interactions Index. décimale : PER Périodiques Résumé : Children with autism have atypical gaze behavior but it is unknown whether gaze differs during distinct types of reciprocal interactions. Typically developing children (N?=?20) and children with autism (N?=?20) (4–13 years) made similar amounts of eye contact with an examiner during a conversation. Surprisingly, there was minimal eye contact during interactive play in both groups. Gaze behavior was stable across 8 weeks in children with autism (N?=?15). Lastly, gaze behavior during conversation but not play was associated with autism social affect severity scores (ADOS CSS SA) and the Social Responsiveness Scale (SRS-2). Together findings suggests that eye contact in typical and atypical development is influenced by subtle changes in context, which has implications for optimizing assessments of social communication skills. En ligne : http://dx.doi.org/10.1007/s10803-016-2981-4 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=304

Placebo-like response in absence of treatment in children with Autism / Rebecca M. JONES in Autism Research, 10-9 (September 2017)  

Public ISBD [article]  inAutism Research > 10-9 (September 2017) . - p.1567-1572 Titre : Placebo-like response in absence of treatment in children with Autism Type de document : Texte imprimé et/ou numérique Auteurs : Rebecca M. JONES, Auteur ; Caroline CARBERRY, Auteur ; Amarelle HAMO, Auteur ; Catherine LORD, Auteur Article en page(s) : p.1567-1572 Langues : Anglais (eng) Mots-clés : autism  placebo response  caregiver report  treatment trial design  Aberrant Behavior Checklist Index. décimale : PER Périodiques Résumé : Caregiver report is the most common measure of change in pediatric psychiatry. Yet, placebo response rates pose significant challenges to reliably detect a treatment response. The present study simulated an eight-week clinical trial protocol for Autism Spectrum Disorder (ASD) for the purpose of testing the feasibility and validity of several outcome measures. Twenty caregivers answered questions about their child's behavior on their smartphone each week and completed a battery of paper questionnaires during weeks one and eight. No treatment was administered. Caregivers reported a significant decrease in problem behaviors on the Aberrant Behavior Checklist (ABC) (29% decrease) and general ASD behaviors on the Social Responsiveness Scale (SRS) (7% decrease). There was also a trend of behavior improvement from smartphone questions but no significant changes in clinical ratings of core diagnostic features of ASD. Participation in a comprehensive protocol in the absence of a particular treatment significantly influenced how caregivers perceived the severity of their children's problem behaviors. These placebo-like effects represent substantial challenges for randomized controlled trials (RCTs) that use treatment as usual and have implications for future behavioral and pharmacological treatment trial designs. En ligne : http://dx.doi.org/10.1002/aur.1798 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=320 [article] Placebo-like response in absence of treatment in children with Autism [Texte imprimé et/ou numérique] / Rebecca M. JONES, Auteur ; Caroline CARBERRY, Auteur ; Amarelle HAMO, Auteur ; Catherine LORD, Auteur . - p.1567-1572. Langues : Anglais (eng) in Autism Research > 10-9 (September 2017) . - p.1567-1572 Mots-clés : autism  placebo response  caregiver report  treatment trial design  Aberrant Behavior Checklist Index. décimale : PER Périodiques Résumé : Caregiver report is the most common measure of change in pediatric psychiatry. Yet, placebo response rates pose significant challenges to reliably detect a treatment response. The present study simulated an eight-week clinical trial protocol for Autism Spectrum Disorder (ASD) for the purpose of testing the feasibility and validity of several outcome measures. Twenty caregivers answered questions about their child's behavior on their smartphone each week and completed a battery of paper questionnaires during weeks one and eight. No treatment was administered. Caregivers reported a significant decrease in problem behaviors on the Aberrant Behavior Checklist (ABC) (29% decrease) and general ASD behaviors on the Social Responsiveness Scale (SRS) (7% decrease). There was also a trend of behavior improvement from smartphone questions but no significant changes in clinical ratings of core diagnostic features of ASD. Participation in a comprehensive protocol in the absence of a particular treatment significantly influenced how caregivers perceived the severity of their children's problem behaviors. These placebo-like effects represent substantial challenges for randomized controlled trials (RCTs) that use treatment as usual and have implications for future behavioral and pharmacological treatment trial designs. En ligne : http://dx.doi.org/10.1002/aur.1798 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=320

Statistical Learning is Associated with Autism Symptoms and Verbal Abilities in Young Children with Autism / R. M. JONES in Journal of Autism and Developmental Disorders, 48-10 (October 2018)  

Public ISBD [article]  inJournal of Autism and Developmental Disorders > 48-10 (October 2018) . - p.3551-3561 Titre : Statistical Learning is Associated with Autism Symptoms and Verbal Abilities in Young Children with Autism Type de document : Texte imprimé et/ou numérique Auteurs : R. M. JONES, Auteur ; T. TARPEY, Auteur ; A. HAMO, Auteur ; Caroline CARBERRY, Auteur ; G. BROUWER, Auteur ; C. LORD, Auteur Article en page(s) : p.3551-3561 Langues : Anglais (eng) Mots-clés : Autism  Bayes classification  Cognitive abilities  Social communication  Statistical learning Index. décimale : PER Périodiques Résumé : Statistical learning-extracting regularities in the environment-may underlie complex social behavior. 124 children, 56 with autism and 68 typically developing, ages 2-8 years, completed a novel visual statistical learning task on an iPad. Averaged together, children with autism demonstrated less learning on the task compared to typically developing children. However, multivariate classification analyses characterized individual behavior patterns, and demonstrated a subset of children with autism had similar learning patterns to typically developing children and that subset of children had less severe autism symptoms. Therefore, statistically averaging data resulted in missing critical heterogeneity. Variability in statistical learning may help to understand differences in autism symptoms across individuals and could be used to tailor and inform treatment decisions. En ligne : http://dx.doi.org/10.1007/s10803-018-3625-7 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=369 [article] Statistical Learning is Associated with Autism Symptoms and Verbal Abilities in Young Children with Autism [Texte imprimé et/ou numérique] / R. M. JONES, Auteur ; T. TARPEY, Auteur ; A. HAMO, Auteur ; Caroline CARBERRY, Auteur ; G. BROUWER, Auteur ; C. LORD, Auteur . - p.3551-3561. Langues : Anglais (eng) in Journal of Autism and Developmental Disorders > 48-10 (October 2018) . - p.3551-3561 Mots-clés : Autism  Bayes classification  Cognitive abilities  Social communication  Statistical learning Index. décimale : PER Périodiques Résumé : Statistical learning-extracting regularities in the environment-may underlie complex social behavior. 124 children, 56 with autism and 68 typically developing, ages 2-8 years, completed a novel visual statistical learning task on an iPad. Averaged together, children with autism demonstrated less learning on the task compared to typically developing children. However, multivariate classification analyses characterized individual behavior patterns, and demonstrated a subset of children with autism had similar learning patterns to typically developing children and that subset of children had less severe autism symptoms. Therefore, statistically averaging data resulted in missing critical heterogeneity. Variability in statistical learning may help to understand differences in autism symptoms across individuals and could be used to tailor and inform treatment decisions. En ligne : http://dx.doi.org/10.1007/s10803-018-3625-7 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=369

---

1 (1 - 4 / 4)