Autistic features in school age children: IQ and gender effects in a population-based cohort / Hilde K. RYLAND in Research in Autism Spectrum Disorders, 8-3 (March 2014)  

Public ISBD [article]  inResearch in Autism Spectrum Disorders > 8-3 (March 2014) . - p.266-274 Titre : Autistic features in school age children: IQ and gender effects in a population-based cohort Type de document : Texte imprimé et/ou numérique Auteurs : Hilde K. RYLAND, Auteur ; Mari HYSING, Auteur ; Maj-Britt POSSERUD, Auteur ; Christopher GILLBERG, Auteur ; Astri J. LUNDERVOLD, Auteur Article en page(s) : p.266-274 Langues : Anglais (eng) Mots-clés : Autistic features  IQ  ASSQ  Children  Gender Index. décimale : PER Périodiques Résumé : Abstract Level and characteristics of intellectual function (IQ) have been associated with symptom presentation in children with autism spectrum disorder. The present study examined associations between IQ and autistic features in a sample of school aged boys and girls selected from a population-based cohort. The study included detailed examinations of 325 children aged 8–12 years, selected from the sample of the Bergen Child Study. IQ was assessed using the third version of the Wechsler Intelligence Scale for Children (WISC-III) and autistic features by parent reports on the Autism Spectrum Screening Questionnaire (ASSQ). Boys obtained higher ASSQ scores than girls. Gender and FSIQ had main effects on ASSQ scores, with the ASSQ scores showing a gradual decline with higher FSIQ for both genders. Discrepancies between verbal and performance IQ were relatively unrelated to ASSQ scores. The findings emphasize the importance of conducting careful assessments of children before reaching conclusions about cognitive function and autistic features. En ligne : http://dx.doi.org/10.1016/j.rasd.2013.12.001 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=224 [article] Autistic features in school age children: IQ and gender effects in a population-based cohort [Texte imprimé et/ou numérique] / Hilde K. RYLAND, Auteur ; Mari HYSING, Auteur ; Maj-Britt POSSERUD, Auteur ; Christopher GILLBERG, Auteur ; Astri J. LUNDERVOLD, Auteur . - p.266-274. Langues : Anglais (eng) in Research in Autism Spectrum Disorders > 8-3 (March 2014) . - p.266-274 Mots-clés : Autistic features  IQ  ASSQ  Children  Gender Index. décimale : PER Périodiques Résumé : Abstract Level and characteristics of intellectual function (IQ) have been associated with symptom presentation in children with autism spectrum disorder. The present study examined associations between IQ and autistic features in a sample of school aged boys and girls selected from a population-based cohort. The study included detailed examinations of 325 children aged 8–12 years, selected from the sample of the Bergen Child Study. IQ was assessed using the third version of the Wechsler Intelligence Scale for Children (WISC-III) and autistic features by parent reports on the Autism Spectrum Screening Questionnaire (ASSQ). Boys obtained higher ASSQ scores than girls. Gender and FSIQ had main effects on ASSQ scores, with the ASSQ scores showing a gradual decline with higher FSIQ for both genders. Discrepancies between verbal and performance IQ were relatively unrelated to ASSQ scores. The findings emphasize the importance of conducting careful assessments of children before reaching conclusions about cognitive function and autistic features. En ligne : http://dx.doi.org/10.1016/j.rasd.2013.12.001 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=224

Autistic features in a total population of 7–9-year-old children assessed by the ASSQ (Autism Spectrum Screening Questionnaire) / Maj-Britt POSSERUD in Journal of Child Psychology and Psychiatry, 47-2 (February 2006)  

Public ISBD [article]  inJournal of Child Psychology and Psychiatry > 47-2 (February 2006) . - p.167–175 Titre : Autistic features in a total population of 7–9-year-old children assessed by the ASSQ (Autism Spectrum Screening Questionnaire) Type de document : Texte imprimé et/ou numérique Auteurs : Maj-Britt POSSERUD, Auteur ; Christopher GILLBERG, Auteur ; Astri J. LUNDERVOLD, Auteur Année de publication : 2006 Article en page(s) : p.167–175 Langues : Anglais (eng) Mots-clés : Autism child-psychiatry ASSQ Asperger-syndrome screening Index. décimale : PER Périodiques Résumé : Background: The prevalence of autism is reported to be on the rise worldwide. Change of diagnostic criteria and a broadening of the concept of autism have been mentioned as contributing factors. Further studies of general populations are needed. The present study assessed the distribution of autistic features in a total population of children 7–9 years of age, and explored the impact of age, gender, informant, and participation bias on symptom report. Methods: Teacher and parent forms of the Autism Spectrum Screening Questionnaire (ASSQ) were used in the 'Bergen Child Study', a total population study of 9430 children aged 7–9 years. Completed teacher forms were returned for 97% and parent forms for 71% of the children. High-scorers were defined according to the ASSQ validation study by Ehlers, Gillberg, and Wing (1999). Results: The distribution of ASSQ scores was found to be almost continuous. Of the children with both a teacher and a parent form, 2.1% were defined as high-scorers. Children without parent informed consent (i.e., anonymous children) obtained significantly higher teacher scores than those who had questionnaires completed by both parent and teacher. Adjusting prevalence for the anonymous children, the prevalence of high-scorers was 2.7% of the total population. Age did not affect symptom scores. Boys scored higher and parents reported more symptoms, particularly in girls. Agreement between informants was low to moderate. Conclusions: Autism symptoms are not uncommon in the general population of children. Our findings are consistent with the concept of autism as a spectrum. Non-responders had a higher load of autism symptoms than identified children, indicating that reports on the prevalence of autism in a responder group underestimate true prevalence. Large differences across informants suggested the need to gather information both from families and from schools when screening for autism spectrum disorders. En ligne : http://dx.doi.org/10.1111/j.1469-7610.2005.01462.x Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=715 [article] Autistic features in a total population of 7–9-year-old children assessed by the ASSQ (Autism Spectrum Screening Questionnaire) [Texte imprimé et/ou numérique] / Maj-Britt POSSERUD, Auteur ; Christopher GILLBERG, Auteur ; Astri J. LUNDERVOLD, Auteur . - 2006 . - p.167–175. Langues : Anglais (eng) in Journal of Child Psychology and Psychiatry > 47-2 (February 2006) . - p.167–175 Mots-clés : Autism child-psychiatry ASSQ Asperger-syndrome screening Index. décimale : PER Périodiques Résumé : Background: The prevalence of autism is reported to be on the rise worldwide. Change of diagnostic criteria and a broadening of the concept of autism have been mentioned as contributing factors. Further studies of general populations are needed. The present study assessed the distribution of autistic features in a total population of children 7–9 years of age, and explored the impact of age, gender, informant, and participation bias on symptom report. Methods: Teacher and parent forms of the Autism Spectrum Screening Questionnaire (ASSQ) were used in the 'Bergen Child Study', a total population study of 9430 children aged 7–9 years. Completed teacher forms were returned for 97% and parent forms for 71% of the children. High-scorers were defined according to the ASSQ validation study by Ehlers, Gillberg, and Wing (1999). Results: The distribution of ASSQ scores was found to be almost continuous. Of the children with both a teacher and a parent form, 2.1% were defined as high-scorers. Children without parent informed consent (i.e., anonymous children) obtained significantly higher teacher scores than those who had questionnaires completed by both parent and teacher. Adjusting prevalence for the anonymous children, the prevalence of high-scorers was 2.7% of the total population. Age did not affect symptom scores. Boys scored higher and parents reported more symptoms, particularly in girls. Agreement between informants was low to moderate. Conclusions: Autism symptoms are not uncommon in the general population of children. Our findings are consistent with the concept of autism as a spectrum. Non-responders had a higher load of autism symptoms than identified children, indicating that reports on the prevalence of autism in a responder group underestimate true prevalence. Large differences across informants suggested the need to gather information both from families and from schools when screening for autism spectrum disorders. En ligne : http://dx.doi.org/10.1111/j.1469-7610.2005.01462.x Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=715

Early and late auditory event-related potentials in cognitively high functioning male adolescents with autism spectrum disorder / Stein ANDERSSON in Research in Autism Spectrum Disorders, 7-7 (July 2013)  

Public ISBD [article]  inResearch in Autism Spectrum Disorders > 7-7 (July 2013) . - p.815-823 Titre : Early and late auditory event-related potentials in cognitively high functioning male adolescents with autism spectrum disorder Type de document : Texte imprimé et/ou numérique Auteurs : Stein ANDERSSON, Auteur ; Maj-Britt POSSERUD, Auteur ; Astri J. LUNDERVOLD, Auteur Article en page(s) : p.815-823 Langues : Anglais (eng) Mots-clés : Event-related potentials  Autism spectrum disorders  sensory processing Index. décimale : PER Périodiques Résumé : Event-related potentials (ERP) studies have offered diverging results in characterizing the basic nature of abnormal sensory processing and discrimination in autism spectrum disorders (ASDs). In the present study we report duration mismatch negativity (MMN) and later ERP components (P3a and P3b) derived from auditory odd-ball paradigms in a homogenous sample of cognitively high functioning male adolescents with ASD. We find significantly reduced frontal and temporal MMN amplitudes and no differences in P3a or P3b amplitudes or latencies compared to controls. These findings are in contrast to recent studies reporting enhanced ERP amplitudes to auditory stimuli, and are more in support of a weakened automatic auditory sensory processing as being central to the abnormal auditory behavioral responses commonly encountered in ASD. En ligne : http://dx.doi.org/10.1016/j.rasd.2013.03.007 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=200 [article] Early and late auditory event-related potentials in cognitively high functioning male adolescents with autism spectrum disorder [Texte imprimé et/ou numérique] / Stein ANDERSSON, Auteur ; Maj-Britt POSSERUD, Auteur ; Astri J. LUNDERVOLD, Auteur . - p.815-823. Langues : Anglais (eng) in Research in Autism Spectrum Disorders > 7-7 (July 2013) . - p.815-823 Mots-clés : Event-related potentials  Autism spectrum disorders  sensory processing Index. décimale : PER Périodiques Résumé : Event-related potentials (ERP) studies have offered diverging results in characterizing the basic nature of abnormal sensory processing and discrimination in autism spectrum disorders (ASDs). In the present study we report duration mismatch negativity (MMN) and later ERP components (P3a and P3b) derived from auditory odd-ball paradigms in a homogenous sample of cognitively high functioning male adolescents with ASD. We find significantly reduced frontal and temporal MMN amplitudes and no differences in P3a or P3b amplitudes or latencies compared to controls. These findings are in contrast to recent studies reporting enhanced ERP amplitudes to auditory stimuli, and are more in support of a weakened automatic auditory sensory processing as being central to the abnormal auditory behavioral responses commonly encountered in ASD. En ligne : http://dx.doi.org/10.1016/j.rasd.2013.03.007 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=200

Factor analysis of the Autism Spectrum Screening Questionnaire / Maj-Britt POSSERUD in Autism, 12-1 (January 2008)  

Public ISBD [article]  inAutism > 12-1 (January 2008) . - p.99-112 Titre : Factor analysis of the Autism Spectrum Screening Questionnaire Type de document : Texte imprimé et/ou numérique Auteurs : Maj-Britt POSSERUD, Auteur ; Christopher GILLBERG, Auteur ; Astri J. LUNDERVOLD, Auteur ; Maaike C. STEIJNEN, Auteur ; Sophie VERHOEVEN, Auteur ; Kjell MORTEN STORMAK, Auteur Année de publication : 2008 Article en page(s) : p.99-112 Langues : Anglais (eng) Mots-clés : Asperger-syndrome Autism-Spectrum-Screening-Questionnaire factor-analysis Norway screening Index. décimale : PER Périodiques Résumé : The present study investigated the factor structure of parent and teacher Autism Spectrum Screening Questionnaire (ASSQ) in a population of 7—9 years old children. For validation purposes, factors derived were correlated with results on the Strengths and Difficulties Questionnaire (SDQ). A three-factor solution was identified on both parent and teacher ASSQ. Most of the variance was explained by one factor including measures of social function, validated by a high correlation with the SDQ peer problems scale. The second factor included measures of autism-associated problems. The items allocated to the third factor were more specific for a cognitive style typically found in high-functioning individuals with autism/Asperger syndrome. This factor did not correlate highly with any of the SDQ subscales. The results indicated that the screening efficiency of ASSQ could be increased by closer examination of the individual profile of factor scores. En ligne : http://dx.doi.org/10.1177/1362361307085268 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=314 [article] Factor analysis of the Autism Spectrum Screening Questionnaire [Texte imprimé et/ou numérique] / Maj-Britt POSSERUD, Auteur ; Christopher GILLBERG, Auteur ; Astri J. LUNDERVOLD, Auteur ; Maaike C. STEIJNEN, Auteur ; Sophie VERHOEVEN, Auteur ; Kjell MORTEN STORMAK, Auteur . - 2008 . - p.99-112. Langues : Anglais (eng) in Autism > 12-1 (January 2008) . - p.99-112 Mots-clés : Asperger-syndrome Autism-Spectrum-Screening-Questionnaire factor-analysis Norway screening Index. décimale : PER Périodiques Résumé : The present study investigated the factor structure of parent and teacher Autism Spectrum Screening Questionnaire (ASSQ) in a population of 7—9 years old children. For validation purposes, factors derived were correlated with results on the Strengths and Difficulties Questionnaire (SDQ). A three-factor solution was identified on both parent and teacher ASSQ. Most of the variance was explained by one factor including measures of social function, validated by a high correlation with the SDQ peer problems scale. The second factor included measures of autism-associated problems. The items allocated to the third factor were more specific for a cognitive style typically found in high-functioning individuals with autism/Asperger syndrome. This factor did not correlate highly with any of the SDQ subscales. The results indicated that the screening efficiency of ASSQ could be increased by closer examination of the individual profile of factor scores. En ligne : http://dx.doi.org/10.1177/1362361307085268 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=314

Practice Tools for Screening and Monitoring Insomnia in Children and Adolescents with Autism Spectrum Disorder / Tobias BANASCHEWSKI in Journal of Autism and Developmental Disorders, 52-8 (August 2022)  

Public ISBD [article]  inJournal of Autism and Developmental Disorders > 52-8 (August 2022) . - p.3758-3768 Titre : Practice Tools for Screening and Monitoring Insomnia in Children and Adolescents with Autism Spectrum Disorder Type de document : Texte imprimé et/ou numérique Auteurs : Tobias BANASCHEWSKI, Auteur ; Oliviero BRUNI, Auteur ; Joaquin FUENTES, Auteur ; Catherine Mary HILL, Auteur ; Allan HVOLBY, Auteur ; Maj-Britt POSSERUD, Auteur ; Carmen SCHRODER, Auteur Article en page(s) : p.3758-3768 Langues : Anglais (eng) Mots-clés : Adolescent  Autism Spectrum Disorder/epidemiology  Child  Humans  Mass Screening/methods  Sleep Initiation and Maintenance Disorders/diagnosis  Child Adolescent Sleep Insomnia Autism spectrum disorder ASD Index. décimale : PER Périodiques Résumé : Between 50-80% of children with autism spectrum disorder (ASD) have insomnia, which adversely affects their mental and physical health. However, there is no consensus to-date on suitable tools for insomnia screening and monitoring in daily clinical practice. An expert panel of child neuropsychiatry and sleep specialists, with expertise in children with neurodevelopmental disabilities, recommends: (1) performing insomnia screening of all children with ASD; (2) considering discussion or referral to a sleep specialist when comorbid sleep disorders are suspected. The panel further developed structured, brief screening and monitoring tools to facilitate insomnia screening and management in daily practice, monitor treatment effectiveness and standardize and compare outcomes across clinical settings to improve care and well-being of children with ASD and their families. En ligne : http://dx.doi.org/10.1007/s10803-021-05236-w Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=485 [article] Practice Tools for Screening and Monitoring Insomnia in Children and Adolescents with Autism Spectrum Disorder [Texte imprimé et/ou numérique] / Tobias BANASCHEWSKI, Auteur ; Oliviero BRUNI, Auteur ; Joaquin FUENTES, Auteur ; Catherine Mary HILL, Auteur ; Allan HVOLBY, Auteur ; Maj-Britt POSSERUD, Auteur ; Carmen SCHRODER, Auteur . - p.3758-3768. Langues : Anglais (eng) in Journal of Autism and Developmental Disorders > 52-8 (August 2022) . - p.3758-3768 Mots-clés : Adolescent  Autism Spectrum Disorder/epidemiology  Child  Humans  Mass Screening/methods  Sleep Initiation and Maintenance Disorders/diagnosis  Child Adolescent Sleep Insomnia Autism spectrum disorder ASD Index. décimale : PER Périodiques Résumé : Between 50-80% of children with autism spectrum disorder (ASD) have insomnia, which adversely affects their mental and physical health. However, there is no consensus to-date on suitable tools for insomnia screening and monitoring in daily clinical practice. An expert panel of child neuropsychiatry and sleep specialists, with expertise in children with neurodevelopmental disabilities, recommends: (1) performing insomnia screening of all children with ASD; (2) considering discussion or referral to a sleep specialist when comorbid sleep disorders are suspected. The panel further developed structured, brief screening and monitoring tools to facilitate insomnia screening and management in daily practice, monitor treatment effectiveness and standardize and compare outcomes across clinical settings to improve care and well-being of children with ASD and their families. En ligne : http://dx.doi.org/10.1007/s10803-021-05236-w Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=485

Sleep problems in children with autism spectrum problems: a longitudinal population-based study / Børge SIVERTSEN in Autism, 16-2 (March 2012)  

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The factor structure of ADHD in a general population of primary school children / Anne Karin ULLEBO in Journal of Child Psychology and Psychiatry, 53-9 (September 2012)  

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Validation of the Autism Spectrum Screening Questionnaire in a Total Population Sample / Maj-Britt POSSERUD in Journal of Autism and Developmental Disorders, 39-1 (January 2009)  

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