Development and initial validation of the Preschool Imitation and Praxis Scale (PIPS) / Marleen VANVUCHELEN in Research in Autism Spectrum Disorders, 5-1 (January-March 2011)  

Public ISBD [article]  inResearch in Autism Spectrum Disorders > 5-1 (January-March 2011) . - p.463-473 Titre : Development and initial validation of the Preschool Imitation and Praxis Scale (PIPS) Type de document : Texte imprimé et/ou numérique Auteurs : Marleen VANVUCHELEN, Auteur ; Herbert ROEYERS, Auteur ; Willy DE WEERDT, Auteur Année de publication : 2011 Article en page(s) : p.463-473 Langues : Anglais (eng) Mots-clés : Child Assessment Bodily-and-procedural-imitation Preschool-Imitation-and-Praxis-Scale-(PIPS) Validity Autism-spectrum-disorders Dual-route-theory-of-imitation Index. décimale : PER Périodiques Résumé : The goal of this study was to develop and subsequently evaluate the internal construct and criterion-related validity of the Preschool Imitation and Praxis Scale (PIPS). Different task characteristics were selected considered to be important as unravelled in research in apraxic adults to tap a broad range of possible imitation mechanisms. Participants included 498 children without disabilities (1–4.9 years) and 47 children with autism spectrum disorders (ASD) (1.9–4.5 years). Exploratory factor analysis disclosed 4 dimensions in the scale, labelled: goal directed versus non-goal directed procedural imitation and single versus sequential bodily imitation. Internal consistency for the PIPS scale (α = .97) and subscales was high (α ranged from .79 to .96). In both samples, the PIPS scale score was strongly related to age (r = .78, respectively r = .56). Significant relationships between the PIPS score and mental, language, motor ages in the ASD sample supported criterion-related validity (r ranged from .59 to .74). The PIPS appears to have fundamentally sound psychometric characteristics, although more research is needed. En ligne : http://dx.doi.org/10.1016/j.rasd.2010.06.010 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=111 [article] Development and initial validation of the Preschool Imitation and Praxis Scale (PIPS) [Texte imprimé et/ou numérique] / Marleen VANVUCHELEN, Auteur ; Herbert ROEYERS, Auteur ; Willy DE WEERDT, Auteur . - 2011 . - p.463-473. Langues : Anglais (eng) in Research in Autism Spectrum Disorders > 5-1 (January-March 2011) . - p.463-473 Mots-clés : Child Assessment Bodily-and-procedural-imitation Preschool-Imitation-and-Praxis-Scale-(PIPS) Validity Autism-spectrum-disorders Dual-route-theory-of-imitation Index. décimale : PER Périodiques Résumé : The goal of this study was to develop and subsequently evaluate the internal construct and criterion-related validity of the Preschool Imitation and Praxis Scale (PIPS). Different task characteristics were selected considered to be important as unravelled in research in apraxic adults to tap a broad range of possible imitation mechanisms. Participants included 498 children without disabilities (1–4.9 years) and 47 children with autism spectrum disorders (ASD) (1.9–4.5 years). Exploratory factor analysis disclosed 4 dimensions in the scale, labelled: goal directed versus non-goal directed procedural imitation and single versus sequential bodily imitation. Internal consistency for the PIPS scale (α = .97) and subscales was high (α ranged from .79 to .96). In both samples, the PIPS scale score was strongly related to age (r = .78, respectively r = .56). Significant relationships between the PIPS score and mental, language, motor ages in the ASD sample supported criterion-related validity (r ranged from .59 to .74). The PIPS appears to have fundamentally sound psychometric characteristics, although more research is needed. En ligne : http://dx.doi.org/10.1016/j.rasd.2010.06.010 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=111

Do imitation problems reflect a core characteristic in autism? Evidence from a literature review / Marleen VANVUCHELEN in Research in Autism Spectrum Disorders, 5-1 (January-March 2011)  

Public ISBD [article]  inResearch in Autism Spectrum Disorders > 5-1 (January-March 2011) . - p.89-95 Titre : Do imitation problems reflect a core characteristic in autism? Evidence from a literature review Type de document : Texte imprimé et/ou numérique Auteurs : Marleen VANVUCHELEN, Auteur ; Herbert ROEYERS, Auteur ; Willy DE WEERDT, Auteur Année de publication : 2011 Article en page(s) : p.89-95 Langues : Anglais (eng) Mots-clés : Imitation Autism Core-deficit Review Index. décimale : PER Périodiques Résumé : Although imitation problems have been associated with autism for many years, the issue if these problems are a core deficit in autism remains subject of debate. In this review article, the question if autism imitation problems fulfil the criteria of uniqueness, specificity, universality, persistency, precedence and broadness is explored and discussed. Findings of this review suggest that there is only partial evidence for the idea that imitation problems are unique, specific and broad to autism, and that these problems are long-lasting and persistent. In addition, imitation problems seem not to be universal in autism at an early age. Mental and motor impairment may affect imitation performance but they do not seem to explain imitation problems in a sufficient way. Recommendations for clinical practice are formulated. En ligne : http://dx.doi.org/10.1016/j.rasd.2010.07.010 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=111 [article] Do imitation problems reflect a core characteristic in autism? Evidence from a literature review [Texte imprimé et/ou numérique] / Marleen VANVUCHELEN, Auteur ; Herbert ROEYERS, Auteur ; Willy DE WEERDT, Auteur . - 2011 . - p.89-95. Langues : Anglais (eng) in Research in Autism Spectrum Disorders > 5-1 (January-March 2011) . - p.89-95 Mots-clés : Imitation Autism Core-deficit Review Index. décimale : PER Périodiques Résumé : Although imitation problems have been associated with autism for many years, the issue if these problems are a core deficit in autism remains subject of debate. In this review article, the question if autism imitation problems fulfil the criteria of uniqueness, specificity, universality, persistency, precedence and broadness is explored and discussed. Findings of this review suggest that there is only partial evidence for the idea that imitation problems are unique, specific and broad to autism, and that these problems are long-lasting and persistent. In addition, imitation problems seem not to be universal in autism at an early age. Mental and motor impairment may affect imitation performance but they do not seem to explain imitation problems in a sufficient way. Recommendations for clinical practice are formulated. En ligne : http://dx.doi.org/10.1016/j.rasd.2010.07.010 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=111

Imitation Assessment and Its Utility to the Diagnosis of Autism: Evidence from Consecutive Clinical Preschool Referrals for Suspected Autism / Marleen VANVUCHELEN in Journal of Autism and Developmental Disorders, 41-4 (April 2011)  

Public ISBD [article]  inJournal of Autism and Developmental Disorders > 41-4 (April 2011) . - p.484-496 Titre : Imitation Assessment and Its Utility to the Diagnosis of Autism: Evidence from Consecutive Clinical Preschool Referrals for Suspected Autism Type de document : Texte imprimé et/ou numérique Auteurs : Marleen VANVUCHELEN, Auteur ; Herbert ROEYERS, Auteur ; Willy DE WEERDT, Auteur Année de publication : 2011 Article en page(s) : p.484-496 Langues : Anglais (eng) Mots-clés : Bodily and procedural imitation  Assessment  Core deficit  Differential diagnosis  Preschool Imitation and Praxis Scale (PIPS)  Cohort type diagnostic accuracy study Index. décimale : PER Périodiques Résumé : The present study sought to examine imitation difficulties as a risk factor for autism. Imitation aptitude was examined in 86 preschoolers suspected of autism (1.9–4.5 years) using the Preschool Imitation and Praxis Scale (PIPS). Differences between imitation, language, motor age-equivalents and nonverbal mental age were used to predict the diagnosis of autism. Multidisciplinary team diagnoses and ADOS-G classifications were used to differentiate children with autism spectrum disorders and non-spectrum developmental disorders. Two factors were found to be significantly associated with autism using simple logistic regression analyses: procedural imitation delay and receptive language delay. In a multivariable setting, only procedural imitation delay remained a significant predictor of autism. Results are new to the literature and require replications. En ligne : http://dx.doi.org/10.1007/s10803-010-1074-z Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=119 [article] Imitation Assessment and Its Utility to the Diagnosis of Autism: Evidence from Consecutive Clinical Preschool Referrals for Suspected Autism [Texte imprimé et/ou numérique] / Marleen VANVUCHELEN, Auteur ; Herbert ROEYERS, Auteur ; Willy DE WEERDT, Auteur . - 2011 . - p.484-496. Langues : Anglais (eng) in Journal of Autism and Developmental Disorders > 41-4 (April 2011) . - p.484-496 Mots-clés : Bodily and procedural imitation  Assessment  Core deficit  Differential diagnosis  Preschool Imitation and Praxis Scale (PIPS)  Cohort type diagnostic accuracy study Index. décimale : PER Périodiques Résumé : The present study sought to examine imitation difficulties as a risk factor for autism. Imitation aptitude was examined in 86 preschoolers suspected of autism (1.9–4.5 years) using the Preschool Imitation and Praxis Scale (PIPS). Differences between imitation, language, motor age-equivalents and nonverbal mental age were used to predict the diagnosis of autism. Multidisciplinary team diagnoses and ADOS-G classifications were used to differentiate children with autism spectrum disorders and non-spectrum developmental disorders. Two factors were found to be significantly associated with autism using simple logistic regression analyses: procedural imitation delay and receptive language delay. In a multivariable setting, only procedural imitation delay remained a significant predictor of autism. Results are new to the literature and require replications. En ligne : http://dx.doi.org/10.1007/s10803-010-1074-z Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=119

Nature of motor imitation problems in school-aged boys with autism / Marleen VANVUCHELEN in Autism, 11-3 (May 2007)  

Public ISBD [article]  inAutism > 11-3 (May 2007) . - p.225-240 Titre : Nature of motor imitation problems in school-aged boys with autism Type de document : Texte imprimé et/ou numérique Auteurs : Marleen VANVUCHELEN, Auteur ; Herbert ROEYERS, Auteur ; Willy DE WEERDT, Auteur Année de publication : 2007 Article en page(s) : p.225-240 Langues : Anglais (eng) Mots-clés : Assessment Autism-spectrum-disorder Autistic-disorder Dyspraxia Gesture Imitation Index. décimale : PER Périodiques Résumé : This case-control study explores the underlying mechanisms of imitation problems in boys with autism by manipulating imitation task variables and by correlating imitation performance with competence on general motor tests (Movement Assessment Battery for Children and Peabody Developmental Motor Scales). Fifty-five boys participated in this study: eight low-functioning with autism (LFA), 13 with mental retardation (MR), 17 high-functioning with autism (HFA) and 17 typically developing (TD). LFA performed significantly worse than MR on the motor test and on all imitation tasks. HFA performed significantly worse than TD on the motor test, but not on imitation tasks, with the exception of non-meaningful gestures. This study supports the notion that mainly perceptual-motor impairment, and not a cognitive weakness of symbolic representation, causes imitation problems in autism. In addition, in boys with autism, general motor as well as imitation abilities were impaired. We suggest that imitation ability has to be assessed in conjunction with motor competence. En ligne : http://dx.doi.org/10.1177/1362361307076846 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=112 [article] Nature of motor imitation problems in school-aged boys with autism [Texte imprimé et/ou numérique] / Marleen VANVUCHELEN, Auteur ; Herbert ROEYERS, Auteur ; Willy DE WEERDT, Auteur . - 2007 . - p.225-240. Langues : Anglais (eng) in Autism > 11-3 (May 2007) . - p.225-240 Mots-clés : Assessment Autism-spectrum-disorder Autistic-disorder Dyspraxia Gesture Imitation Index. décimale : PER Périodiques Résumé : This case-control study explores the underlying mechanisms of imitation problems in boys with autism by manipulating imitation task variables and by correlating imitation performance with competence on general motor tests (Movement Assessment Battery for Children and Peabody Developmental Motor Scales). Fifty-five boys participated in this study: eight low-functioning with autism (LFA), 13 with mental retardation (MR), 17 high-functioning with autism (HFA) and 17 typically developing (TD). LFA performed significantly worse than MR on the motor test and on all imitation tasks. HFA performed significantly worse than TD on the motor test, but not on imitation tasks, with the exception of non-meaningful gestures. This study supports the notion that mainly perceptual-motor impairment, and not a cognitive weakness of symbolic representation, causes imitation problems in autism. In addition, in boys with autism, general motor as well as imitation abilities were impaired. We suggest that imitation ability has to be assessed in conjunction with motor competence. En ligne : http://dx.doi.org/10.1177/1362361307076846 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=112

Screening accuracy of the parent-completed Ages and Stages Questionnaires – second edition as a broadband screener for motor problems in preschoolers with autism spectrum disorders / Marleen VANVUCHELEN in Autism, 21-1 (January 2017)  

Public ISBD [article]  inAutism > 21-1 (January 2017) . - p.29-36 Titre : Screening accuracy of the parent-completed Ages and Stages Questionnaires – second edition as a broadband screener for motor problems in preschoolers with autism spectrum disorders Type de document : Texte imprimé et/ou numérique Auteurs : Marleen VANVUCHELEN, Auteur ; Lise Van SCHUERBEECK, Auteur ; Marijke BRAEKEN, Auteur Article en page(s) : p.29-36 Langues : Anglais (eng) Mots-clés : Ages and Stages Questionnaires  autism spectrum disorders  broadband screening  motor development Index. décimale : PER Périodiques Résumé : Children with autism spectrum disorders are at risk for motor problems. However, this area is often overlooked in the developmental evaluation in autism diagnostic clinics. An alternative can be to identify children who should receive intensive motor assessment by using a parent-based screener. The aim of this study was to examine whether the Ages and Stages Questionnaires – second edition may be used to identify gross and fine motor problems in children. High-functioning children with autism spectrum disorder (n?=?43, 22–54?m) participated in this study. Sensitivity, specificity, predictive values and areas under the receiver operating characteristic curve were calculated by comparing the Ages and Stages Questionnaires – second edition scores to the developmental evaluation of the Peabody Developmental Motor Scale – second edition. The results revealed that both the Ages and Stages Questionnaires – second edition gross and fine motor domain may be used to identify children without motor problems. In contrast, sensitivity analyses revealed the likelihood of under screening motor problems in this population. The Ages and Stages Questionnaires – second edition met only the criteria of a fair to good accuracy to identify poor gross motor (sensitivity?=?100%) and below-average fine motor development (sensitivity?=?71%) in this sample. Hence, the capacity of the Ages and Stages Questionnaires – second edition to identify motor problems in preschoolers with autism spectrum disorder appears to be limited. It is recommended to include a formal standardized motor test in the diagnostic procedure for all children with autism spectrum disorder. En ligne : http://dx.doi.org/10.1177/1362361315621703 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=297 [article] Screening accuracy of the parent-completed Ages and Stages Questionnaires – second edition as a broadband screener for motor problems in preschoolers with autism spectrum disorders [Texte imprimé et/ou numérique] / Marleen VANVUCHELEN, Auteur ; Lise Van SCHUERBEECK, Auteur ; Marijke BRAEKEN, Auteur . - p.29-36. Langues : Anglais (eng) in Autism > 21-1 (January 2017) . - p.29-36 Mots-clés : Ages and Stages Questionnaires  autism spectrum disorders  broadband screening  motor development Index. décimale : PER Périodiques Résumé : Children with autism spectrum disorders are at risk for motor problems. However, this area is often overlooked in the developmental evaluation in autism diagnostic clinics. An alternative can be to identify children who should receive intensive motor assessment by using a parent-based screener. The aim of this study was to examine whether the Ages and Stages Questionnaires – second edition may be used to identify gross and fine motor problems in children. High-functioning children with autism spectrum disorder (n?=?43, 22–54?m) participated in this study. Sensitivity, specificity, predictive values and areas under the receiver operating characteristic curve were calculated by comparing the Ages and Stages Questionnaires – second edition scores to the developmental evaluation of the Peabody Developmental Motor Scale – second edition. The results revealed that both the Ages and Stages Questionnaires – second edition gross and fine motor domain may be used to identify children without motor problems. In contrast, sensitivity analyses revealed the likelihood of under screening motor problems in this population. The Ages and Stages Questionnaires – second edition met only the criteria of a fair to good accuracy to identify poor gross motor (sensitivity?=?100%) and below-average fine motor development (sensitivity?=?71%) in this sample. Hence, the capacity of the Ages and Stages Questionnaires – second edition to identify motor problems in preschoolers with autism spectrum disorder appears to be limited. It is recommended to include a formal standardized motor test in the diagnostic procedure for all children with autism spectrum disorder. En ligne : http://dx.doi.org/10.1177/1362361315621703 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=297

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