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Automated Detection of Repetitive Motor Behaviors as an Outcome Measurement in Intellectual and Developmental Disabilities / K. H. GILCHRIST in Journal of Autism and Developmental Disorders, 48-5 (May 2018)
[article]
Titre : Automated Detection of Repetitive Motor Behaviors as an Outcome Measurement in Intellectual and Developmental Disabilities Type de document : Texte imprimé et/ou numérique Auteurs : K. H. GILCHRIST, Auteur ; M. HEGARTY-CRAVER, Auteur ; R. B. CHRISTIAN, Auteur ; S. GREGO, Auteur ; A. C. KIES, Auteur ; Anne C. WHEELER, Auteur Article en page(s) : p.1458-1466 Langues : Anglais (eng) Mots-clés : Accelerometer Activity recognition Motor stereotypy Neurodevelopmental disorders Repetitive behaviors Wearable sensor Index. décimale : PER Périodiques Résumé : Repetitive sensory motor behaviors are a direct target for clinical treatment and a potential treatment endpoint for individuals with intellectual or developmental disabilities. By removing the burden associated with video annotation or direct observation, automated detection of stereotypy would allow for longer term monitoring in ecologic settings. We report automated detection of common stereotypical motor movements using commercially available accelerometers affixed to the body and a generalizable detection algorithm. The method achieved a sensitivity of 80% for body rocking and 93% for hand flapping without individualized algorithm training or foreknowledge of subject's specific movements. This approach is well-suited for implementation in a continuous monitoring system outside of a clinical setting. En ligne : http://dx.doi.org/10.1007/s10803-017-3408-6 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=355
in Journal of Autism and Developmental Disorders > 48-5 (May 2018) . - p.1458-1466[article] Automated Detection of Repetitive Motor Behaviors as an Outcome Measurement in Intellectual and Developmental Disabilities [Texte imprimé et/ou numérique] / K. H. GILCHRIST, Auteur ; M. HEGARTY-CRAVER, Auteur ; R. B. CHRISTIAN, Auteur ; S. GREGO, Auteur ; A. C. KIES, Auteur ; Anne C. WHEELER, Auteur . - p.1458-1466.
Langues : Anglais (eng)
in Journal of Autism and Developmental Disorders > 48-5 (May 2018) . - p.1458-1466
Mots-clés : Accelerometer Activity recognition Motor stereotypy Neurodevelopmental disorders Repetitive behaviors Wearable sensor Index. décimale : PER Périodiques Résumé : Repetitive sensory motor behaviors are a direct target for clinical treatment and a potential treatment endpoint for individuals with intellectual or developmental disabilities. By removing the burden associated with video annotation or direct observation, automated detection of stereotypy would allow for longer term monitoring in ecologic settings. We report automated detection of common stereotypical motor movements using commercially available accelerometers affixed to the body and a generalizable detection algorithm. The method achieved a sensitivity of 80% for body rocking and 93% for hand flapping without individualized algorithm training or foreknowledge of subject's specific movements. This approach is well-suited for implementation in a continuous monitoring system outside of a clinical setting. En ligne : http://dx.doi.org/10.1007/s10803-017-3408-6 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=355 Brief Report: Evaluating College Students' Perceptions of a Child Displaying Stereotypic Behaviors: Do Changes in Stereotypy Levels Affect Ratings? / Jodi C COON in Journal of Autism and Developmental Disorders, 50-5 (May 2020)
[article]
Titre : Brief Report: Evaluating College Students' Perceptions of a Child Displaying Stereotypic Behaviors: Do Changes in Stereotypy Levels Affect Ratings? Type de document : Texte imprimé et/ou numérique Auteurs : Jodi C COON, Auteur ; John T RAPP, Auteur Article en page(s) : p.1827-1833 Langues : Anglais (eng) Mots-clés : Judgements of stereotypy Leisure time Motor stereotypy Vocal stereotypy Index. décimale : PER Périodiques Résumé : One reason for treating stereotypic behavior is that it may negatively impact how others perceive the individual displaying the behavior, thus impeding social interactions; however, few studies have directly evaluated this possibility. As a first step toward testing this position, participants (college students) in Study 1 watched 5-min video clips of a child engaging in hand/finger motor stereotypy at varying levels (0%, 17%, 37%, and 40% of the time) while sound was muted. Following each video, participants completed a questionnaire to evaluate their perception of the child. In Study 2, additional participants completed the same questionnaire after watching the same videos with the sound unmuted to determine if the addition of vocal stereotypy altered their perceptions of the child. Results indicate that (a) observers negatively rated the child when he displayed motor stereotypy for 17% or more of a video clip and (b) the addition of vocal stereotypy yielded more negative judgements than motor stereotypy alone. En ligne : http://dx.doi.org/10.1007/s10803-019-03916-2 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=422
in Journal of Autism and Developmental Disorders > 50-5 (May 2020) . - p.1827-1833[article] Brief Report: Evaluating College Students' Perceptions of a Child Displaying Stereotypic Behaviors: Do Changes in Stereotypy Levels Affect Ratings? [Texte imprimé et/ou numérique] / Jodi C COON, Auteur ; John T RAPP, Auteur . - p.1827-1833.
Langues : Anglais (eng)
in Journal of Autism and Developmental Disorders > 50-5 (May 2020) . - p.1827-1833
Mots-clés : Judgements of stereotypy Leisure time Motor stereotypy Vocal stereotypy Index. décimale : PER Périodiques Résumé : One reason for treating stereotypic behavior is that it may negatively impact how others perceive the individual displaying the behavior, thus impeding social interactions; however, few studies have directly evaluated this possibility. As a first step toward testing this position, participants (college students) in Study 1 watched 5-min video clips of a child engaging in hand/finger motor stereotypy at varying levels (0%, 17%, 37%, and 40% of the time) while sound was muted. Following each video, participants completed a questionnaire to evaluate their perception of the child. In Study 2, additional participants completed the same questionnaire after watching the same videos with the sound unmuted to determine if the addition of vocal stereotypy altered their perceptions of the child. Results indicate that (a) observers negatively rated the child when he displayed motor stereotypy for 17% or more of a video clip and (b) the addition of vocal stereotypy yielded more negative judgements than motor stereotypy alone. En ligne : http://dx.doi.org/10.1007/s10803-019-03916-2 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=422 A quantitative measure of restricted and repetitive behaviors for early childhood / J. J. WOLFF in Journal of Neurodevelopmental Disorders, 8-1 (December 2016)
[article]
Titre : A quantitative measure of restricted and repetitive behaviors for early childhood Type de document : Texte imprimé et/ou numérique Auteurs : J. J. WOLFF, Auteur ; Brian A. BOYD, Auteur ; J. T. ELISON, Auteur Article en page(s) : p.27 Langues : Anglais (eng) Mots-clés : Circumscribed interests Measurement Motor stereotypy Repetitive behavior Ritualistic behavior Self-injurious behavior Toddlers Index. décimale : PER Périodiques Résumé : BACKGROUND: Restricted and repetitive behaviors are characteristic phenotypic features of many neurodevelopmental, psychiatric, and neurological conditions. During early childhood, such behaviors are considered normative. More research is needed to delineate the dimensions of restricted and repetitive behavior across typical and atypical development during this period. METHODS: We developed the 34-item parent-rated Repetitive Behavior Scale for Early Childhood (RBS-EC) to capture quantitative, dimensional features across a broad range of behaviors contributing to this domain. We evaluated its psychometric properties and factor structure in a community sample of 914 toddlers. RESULTS: The RBS-EC showed excellent overall internal consistency (alpha = 0.90), strong test-retest reliability (ICC = 0.87 for topographies and 0.90 for frequency) and evidence of convergent and discriminative validity. Using a split-half approach to factor analysis, we identified that a three- or four-factor structure best fit the data and confirmatory factor analysis indicated acceptable fit for both models. The empirically derived four-factor model was consistent with our conceptual model and included repetitive motor, restricted interests and behavior, ritual and routine, and self-directed behavior. CONCLUSIONS: This initial study indicates that the RBS-EC is a reliable and valid instrument for characterizing quantitative, dimensional aspects of restricted and repetitive behaviors in young children. En ligne : http://dx.doi.org/10.1186/s11689-016-9161-x Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=349
in Journal of Neurodevelopmental Disorders > 8-1 (December 2016) . - p.27[article] A quantitative measure of restricted and repetitive behaviors for early childhood [Texte imprimé et/ou numérique] / J. J. WOLFF, Auteur ; Brian A. BOYD, Auteur ; J. T. ELISON, Auteur . - p.27.
Langues : Anglais (eng)
in Journal of Neurodevelopmental Disorders > 8-1 (December 2016) . - p.27
Mots-clés : Circumscribed interests Measurement Motor stereotypy Repetitive behavior Ritualistic behavior Self-injurious behavior Toddlers Index. décimale : PER Périodiques Résumé : BACKGROUND: Restricted and repetitive behaviors are characteristic phenotypic features of many neurodevelopmental, psychiatric, and neurological conditions. During early childhood, such behaviors are considered normative. More research is needed to delineate the dimensions of restricted and repetitive behavior across typical and atypical development during this period. METHODS: We developed the 34-item parent-rated Repetitive Behavior Scale for Early Childhood (RBS-EC) to capture quantitative, dimensional features across a broad range of behaviors contributing to this domain. We evaluated its psychometric properties and factor structure in a community sample of 914 toddlers. RESULTS: The RBS-EC showed excellent overall internal consistency (alpha = 0.90), strong test-retest reliability (ICC = 0.87 for topographies and 0.90 for frequency) and evidence of convergent and discriminative validity. Using a split-half approach to factor analysis, we identified that a three- or four-factor structure best fit the data and confirmatory factor analysis indicated acceptable fit for both models. The empirically derived four-factor model was consistent with our conceptual model and included repetitive motor, restricted interests and behavior, ritual and routine, and self-directed behavior. CONCLUSIONS: This initial study indicates that the RBS-EC is a reliable and valid instrument for characterizing quantitative, dimensional aspects of restricted and repetitive behaviors in young children. En ligne : http://dx.doi.org/10.1186/s11689-016-9161-x Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=349