Autism spectrum disorder reporting in lower socioeconomic neighborhoods / Aisha S. DICKERSON in Autism, 21-4 (May 2017)  

Public ISBD [article]  inAutism > 21-4 (May 2017) . - p.470-480 Titre : Autism spectrum disorder reporting in lower socioeconomic neighborhoods Type de document : texte imprimé Auteurs : Aisha S. DICKERSON, Auteur ; Mohammad H. RAHBAR, Auteur ; Deborah A. PEARSON, Auteur ; Russell S. KIRBY, Auteur ; Amanda V. BAKIAN, Auteur ; Deborah A. BILDER, Auteur ; Rebecca A. HARRINGTON, Auteur ; Sydney PETTYGROVE, Auteur ; Walter ZAHORODNY, Auteur ; III LEMUEL A MOYÉ, Auteur ; Maureen S. DURKIN, Auteur ; Martha Slay WINGATE, Auteur Article en page(s) : p.470-480 Langues : Anglais (eng) Mots-clés : autism spectrum disorders  diagnosis  disparities  prevalence  school-age children Index. décimale : PER Périodiques Résumé : Utilizing surveillance data from five sites participating in the Autism and Developmental Disabilities Monitoring Network, we investigated contributions of surveillance subject and census tract population sociodemographic characteristics on variation in autism spectrum disorder ascertainment and prevalence estimates from 2000 to 2008 using ordinal hierarchical models for 2489 tracts. Multivariable analyses showed a significant increase in ascertainment of autism spectrum disorder cases through both school and health sources, the optimal ascertainment scenario, for cases with college-educated mothers (adjusted odds ratio = 1.06, 95% confidence interval = 1.02–1.09). Results from our examination of sociodemographic factors of tract populations from which cases were drawn also showed that after controlling for other covariates, statistical significance remained for associations between optimal ascertainment and percentage of Hispanic residents (adjusted odds ratio = 0.93, 95% confidence interval = 0.88–0.99) and percentage of residents with at least a bachelor’s degree (adjusted odds ratio = 1.06, 95% confidence interval = 1.01–1.11). We identified sociodemographic factors associated with autism spectrum disorder prevalence estimates including race, ethnicity, education, and income. Determining which specific factors influence disparities is complicated; however, it appears that even in the presence of education, racial and ethnic disparities are still apparent. These results suggest disparities in access to autism spectrum disorder assessments and special education for autism spectrum disorder among ethnic groups may impact subsequent surveillance. En ligne : http://dx.doi.org/10.1177/1362361316650091 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=305 [article] Autism spectrum disorder reporting in lower socioeconomic neighborhoods [texte imprimé] / Aisha S. DICKERSON, Auteur ; Mohammad H. RAHBAR, Auteur ; Deborah A. PEARSON, Auteur ; Russell S. KIRBY, Auteur ; Amanda V. BAKIAN, Auteur ; Deborah A. BILDER, Auteur ; Rebecca A. HARRINGTON, Auteur ; Sydney PETTYGROVE, Auteur ; Walter ZAHORODNY, Auteur ; III LEMUEL A MOYÉ, Auteur ; Maureen S. DURKIN, Auteur ; Martha Slay WINGATE, Auteur . - p.470-480. Langues : Anglais (eng) in Autism > 21-4 (May 2017) . - p.470-480 Mots-clés : autism spectrum disorders  diagnosis  disparities  prevalence  school-age children Index. décimale : PER Périodiques Résumé : Utilizing surveillance data from five sites participating in the Autism and Developmental Disabilities Monitoring Network, we investigated contributions of surveillance subject and census tract population sociodemographic characteristics on variation in autism spectrum disorder ascertainment and prevalence estimates from 2000 to 2008 using ordinal hierarchical models for 2489 tracts. Multivariable analyses showed a significant increase in ascertainment of autism spectrum disorder cases through both school and health sources, the optimal ascertainment scenario, for cases with college-educated mothers (adjusted odds ratio = 1.06, 95% confidence interval = 1.02–1.09). Results from our examination of sociodemographic factors of tract populations from which cases were drawn also showed that after controlling for other covariates, statistical significance remained for associations between optimal ascertainment and percentage of Hispanic residents (adjusted odds ratio = 0.93, 95% confidence interval = 0.88–0.99) and percentage of residents with at least a bachelor’s degree (adjusted odds ratio = 1.06, 95% confidence interval = 1.01–1.11). We identified sociodemographic factors associated with autism spectrum disorder prevalence estimates including race, ethnicity, education, and income. Determining which specific factors influence disparities is complicated; however, it appears that even in the presence of education, racial and ethnic disparities are still apparent. These results suggest disparities in access to autism spectrum disorder assessments and special education for autism spectrum disorder among ethnic groups may impact subsequent surveillance. En ligne : http://dx.doi.org/10.1177/1362361316650091 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=305

Detecting Social and Non-Social Changes in Natural Scenes: Performance of Children with and Without Autism Spectrum Disorders and Typical Adults / Bhavin R. SHETH 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.434-446 Titre : Detecting Social and Non-Social Changes in Natural Scenes: Performance of Children with and Without Autism Spectrum Disorders and Typical Adults Type de document : texte imprimé Auteurs : Bhavin R. SHETH, Auteur ; James LIU, Auteur ; Olayemi OLAGBAJU, Auteur ; Larry VARGHESE, Auteur ; Rosleen MANSOUR, Auteur ; Stacy REDDOCH, Auteur ; Deborah A. PEARSON, Auteur ; Katherine A. LOVELAND, Auteur Année de publication : 2011 Article en page(s) : p.434-446 Langues : Anglais (eng) Mots-clés : Social attention  Development  Change detection  Change blindness  Naturalistic scenes  Visual perception Index. décimale : PER Périodiques Résumé : We probed differences in the ability to detect and interpret social cues in adults and in children and young adolescents with and without autism spectrum disorders (ASD) by investigating the effect of various social and non-social contexts on the visual exploration of pictures of natural scenes. Children and adolescents relied more on social referencing cues in the scene as compared to adults, and in the presence of such cues, were less able to use other kinds of cues. Typically developing children and adolescents were no better than those with ASD at detecting changes within the various social contexts. Results suggest children and adolescents with ASD use relevant social cues while searching a scene just as typical children do. En ligne : http://dx.doi.org/10.1007/s10803-010-1062-3 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=119 [article] Detecting Social and Non-Social Changes in Natural Scenes: Performance of Children with and Without Autism Spectrum Disorders and Typical Adults [texte imprimé] / Bhavin R. SHETH, Auteur ; James LIU, Auteur ; Olayemi OLAGBAJU, Auteur ; Larry VARGHESE, Auteur ; Rosleen MANSOUR, Auteur ; Stacy REDDOCH, Auteur ; Deborah A. PEARSON, Auteur ; Katherine A. LOVELAND, Auteur . - 2011 . - p.434-446. Langues : Anglais (eng) in Journal of Autism and Developmental Disorders > 41-4 (April 2011) . - p.434-446 Mots-clés : Social attention  Development  Change detection  Change blindness  Naturalistic scenes  Visual perception Index. décimale : PER Périodiques Résumé : We probed differences in the ability to detect and interpret social cues in adults and in children and young adolescents with and without autism spectrum disorders (ASD) by investigating the effect of various social and non-social contexts on the visual exploration of pictures of natural scenes. Children and adolescents relied more on social referencing cues in the scene as compared to adults, and in the presence of such cues, were less able to use other kinds of cues. Typically developing children and adolescents were no better than those with ASD at detecting changes within the various social contexts. Results suggest children and adolescents with ASD use relevant social cues while searching a scene just as typical children do. En ligne : http://dx.doi.org/10.1007/s10803-010-1062-3 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=119

Executive Function in Autism: Association with ADHD and ASD Symptoms / Anthony R. WARD ; David M. LANE ; Michael G. AMAN ; Katherine A. LOVELAND ; Rosleen MANSOUR ; Deborah A. PEARSON in Journal of Autism and Developmental Disorders, 53-2 (February 2023)  

Public ISBD [article]  inJournal of Autism and Developmental Disorders > 53-2 (February 2023) . - p.688-700 Titre : Executive Function in Autism: Association with ADHD and ASD Symptoms Type de document : texte imprimé Auteurs : Anthony R. WARD, Auteur ; David M. LANE, Auteur ; Michael G. AMAN, Auteur ; Katherine A. LOVELAND, Auteur ; Rosleen MANSOUR, Auteur ; Deborah A. PEARSON, Auteur Article en page(s) : p.688-700 Langues : Anglais (eng) Index. décimale : PER Périodiques Résumé : There is substantial comorbidity between autism spectrum disorder (ASD) and attention deficit/hyperactivity disorder (ADHD), and there are well-documented executive functioning (EF) deficits in both populations. An important question concerns whether EF deficits in children with ASD are related to severity of ASD, ADHD, or both. We examined ADHD and ASD symptoms in relation to ratings of EF in the home and classroom. The sample comprised 64 children (55 males) diagnosed with ASD (mean age = 9.26 years; mean FSIQ = 92). Analyses indicated that parent and teacher ratings of EF (except Shift and Emotional Control) were consistently related to ADHD symptom severity, but not to ASD severity. Thus, functioning in the domains of Shift and Emotional control appear relatively spared, whereas performance in all other EF was impaired in relation to ADHD symptoms. En ligne : https://doi.org/10.1007/s10803-020-04852-2 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=495 [article] Executive Function in Autism: Association with ADHD and ASD Symptoms [texte imprimé] / Anthony R. WARD, Auteur ; David M. LANE, Auteur ; Michael G. AMAN, Auteur ; Katherine A. LOVELAND, Auteur ; Rosleen MANSOUR, Auteur ; Deborah A. PEARSON, Auteur . - p.688-700. Langues : Anglais (eng) in Journal of Autism and Developmental Disorders > 53-2 (February 2023) . - p.688-700 Index. décimale : PER Périodiques Résumé : There is substantial comorbidity between autism spectrum disorder (ASD) and attention deficit/hyperactivity disorder (ADHD), and there are well-documented executive functioning (EF) deficits in both populations. An important question concerns whether EF deficits in children with ASD are related to severity of ASD, ADHD, or both. We examined ADHD and ASD symptoms in relation to ratings of EF in the home and classroom. The sample comprised 64 children (55 males) diagnosed with ASD (mean age = 9.26 years; mean FSIQ = 92). Analyses indicated that parent and teacher ratings of EF (except Shift and Emotional Control) were consistently related to ADHD symptom severity, but not to ASD severity. Thus, functioning in the domains of Shift and Emotional control appear relatively spared, whereas performance in all other EF was impaired in relation to ADHD symptoms. En ligne : https://doi.org/10.1007/s10803-020-04852-2 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=495

Functional Assays of Local Connectivity in the Somatosensory Cortex of Individuals with Autism / Mehmet Akif COSKUN in Autism Research, 6-3 (June 2013)  

Public ISBD [article]  inAutism Research > 6-3 (June 2013) . - p.190-200 Titre : Functional Assays of Local Connectivity in the Somatosensory Cortex of Individuals with Autism Type de document : texte imprimé Auteurs : Mehmet Akif COSKUN, Auteur ; Katherine A. LOVELAND, Auteur ; Deborah A. PEARSON, Auteur ; Andrew C. PAPANICOLAOU, Auteur ; Bhavin R. SHETH, Auteur Année de publication : 2013 Article en page(s) : p.190-200 Langues : Anglais (eng) Mots-clés : connectivity  somatotopy  cortical inhibition  local excitation  tactile  homeostasis  touch  MEG Index. décimale : PER Périodiques Résumé : Emerging evidence for differences between individuals with autism spectrum disorder (ASD) and neurotypical (NT) individuals in somatic processing and brain response to touch suggests somatosensory cortex as a promising substrate for elucidating differences in functional brain connectivity between individuals with and without autism. Signals from adjacent digits project to neighboring locations or representations in somatosensory cortex. When a digit is stimulated, i.e. touched, its representation in cortex is directly activated; local intracortical connections indirectly activate nonprimary cortical representations corresponding to adjacent digits. The response of the nonprimary cortical representations is thus a proxy for connection strength. Local overconnectivity in autism implies that the nonprimary/primary response ratios of the ASD group will be higher than those of the NT group. D1 and D2 of the dominant hand of the participant were individually stimulated while we recorded neural responses using magnetoencephalography. The cortical representations of D1 and D2 (somatosensory-evoked fields) were computed from the ensemble-averaged data using (a) dipole model fits and (b) singular value decomposition. Individual adjacent/primary response ratios were measured, and group response ratio data were fitted with straight lines. Local overconnectivity in autism implies steeper ASD vs. NT group slopes. Our findings did not support local overconnectivity. Slopes were found to be significantly shallower for the ASD group than the NT group. Our findings support the idea of local underconnectivity in the somatosensory cortex of the brains of individuals with ASD. En ligne : http://dx.doi.org/10.1002/aur.1276 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=202 [article] Functional Assays of Local Connectivity in the Somatosensory Cortex of Individuals with Autism [texte imprimé] / Mehmet Akif COSKUN, Auteur ; Katherine A. LOVELAND, Auteur ; Deborah A. PEARSON, Auteur ; Andrew C. PAPANICOLAOU, Auteur ; Bhavin R. SHETH, Auteur . - 2013 . - p.190-200. Langues : Anglais (eng) in Autism Research > 6-3 (June 2013) . - p.190-200 Mots-clés : connectivity  somatotopy  cortical inhibition  local excitation  tactile  homeostasis  touch  MEG Index. décimale : PER Périodiques Résumé : Emerging evidence for differences between individuals with autism spectrum disorder (ASD) and neurotypical (NT) individuals in somatic processing and brain response to touch suggests somatosensory cortex as a promising substrate for elucidating differences in functional brain connectivity between individuals with and without autism. Signals from adjacent digits project to neighboring locations or representations in somatosensory cortex. When a digit is stimulated, i.e. touched, its representation in cortex is directly activated; local intracortical connections indirectly activate nonprimary cortical representations corresponding to adjacent digits. The response of the nonprimary cortical representations is thus a proxy for connection strength. Local overconnectivity in autism implies that the nonprimary/primary response ratios of the ASD group will be higher than those of the NT group. D1 and D2 of the dominant hand of the participant were individually stimulated while we recorded neural responses using magnetoencephalography. The cortical representations of D1 and D2 (somatosensory-evoked fields) were computed from the ensemble-averaged data using (a) dipole model fits and (b) singular value decomposition. Individual adjacent/primary response ratios were measured, and group response ratio data were fitted with straight lines. Local overconnectivity in autism implies steeper ASD vs. NT group slopes. Our findings did not support local overconnectivity. Slopes were found to be significantly shallower for the ASD group than the NT group. Our findings support the idea of local underconnectivity in the somatosensory cortex of the brains of individuals with ASD. En ligne : http://dx.doi.org/10.1002/aur.1276 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=202

Improving the Reliability of Autism Diagnoses: Examining the Utility of Adaptive Behavior / Stacey S. TOMANIK in Journal of Autism and Developmental Disorders, 37-5 (May 2007)  

Public ISBD [article]  inJournal of Autism and Developmental Disorders > 37-5 (May 2007) . - p.921-928 Titre : Improving the Reliability of Autism Diagnoses: Examining the Utility of Adaptive Behavior Type de document : texte imprimé Auteurs : Stacey S. TOMANIK, Auteur ; Deborah A. PEARSON, Auteur ; Katherine A. LOVELAND, Auteur ; David M. LANE, Auteur ; Bryant SHAW, Auteur Année de publication : 2007 Article en page(s) : p.921-928 Langues : Anglais (eng) Mots-clés : Autism-diagnosis Diagnostic-reliability Autism-spectrum-disorders Autism-Diagnostic-Interview-Revised-(ADI-R) Autism-Diagnostic-Observation-Schedule-(ADOS) Vineland Adaptive-functioning Index. décimale : PER Périodiques Résumé : The classification agreement of the Autism Diagnostic Interview-Revised (ADI-R) and the Autism Diagnostic Observation Schedule (ADOS) was examined in 129 children and adolescents (aged 7–18 years) who were evaluated for autism. Participants received a diagnosis of autism or non-autism based on the ADI-R. Linear discriminant analysis revealed adequate concordance between the ADI-R and ADOS, with 75% of the participants being correctly classified using the ADOS. Classification accuracy significantly improved to 84% when a measure of adaptive functioning (i.e., the Vineland Adaptive Behavior Scales) was included in the analysis. The findings suggest that when clinicians obtain discrepant information on the ADI-R and ADOS, assessment of an individual’s adaptive functioning may reduce diagnostic errors. En ligne : http://dx.doi.org/10.1007/s10803-006-0227-6 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=140 [article] Improving the Reliability of Autism Diagnoses: Examining the Utility of Adaptive Behavior [texte imprimé] / Stacey S. TOMANIK, Auteur ; Deborah A. PEARSON, Auteur ; Katherine A. LOVELAND, Auteur ; David M. LANE, Auteur ; Bryant SHAW, Auteur . - 2007 . - p.921-928. Langues : Anglais (eng) in Journal of Autism and Developmental Disorders > 37-5 (May 2007) . - p.921-928 Mots-clés : Autism-diagnosis Diagnostic-reliability Autism-spectrum-disorders Autism-Diagnostic-Interview-Revised-(ADI-R) Autism-Diagnostic-Observation-Schedule-(ADOS) Vineland Adaptive-functioning Index. décimale : PER Périodiques Résumé : The classification agreement of the Autism Diagnostic Interview-Revised (ADI-R) and the Autism Diagnostic Observation Schedule (ADOS) was examined in 129 children and adolescents (aged 7–18 years) who were evaluated for autism. Participants received a diagnosis of autism or non-autism based on the ADI-R. Linear discriminant analysis revealed adequate concordance between the ADI-R and ADOS, with 75% of the participants being correctly classified using the ADOS. Classification accuracy significantly improved to 84% when a measure of adaptive functioning (i.e., the Vineland Adaptive Behavior Scales) was included in the analysis. The findings suggest that when clinicians obtain discrepant information on the ADI-R and ADOS, assessment of an individual’s adaptive functioning may reduce diagnostic errors. En ligne : http://dx.doi.org/10.1007/s10803-006-0227-6 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=140

Interaction of Finger Representations in the Cortex of Individuals with Autism: A Functional Window into Cortical Inhibition / Mehmet Akif COSKUN in Autism Research, 6-6 (December 2013)  

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Maternal and Paternal Age are Jointly Associated with Childhood Autism in Jamaica / Mohammad H. RAHBAR in Journal of Autism and Developmental Disorders, 42-9 (September 2012)  

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Measuring Anxiety as a Treatment Endpoint in Youth with Autism Spectrum Disorder / Luc LECAVALIER in Journal of Autism and Developmental Disorders, 44-5 (May 2014)  

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Measuring repetitive behaviors as a treatment endpoint in youth with autism spectrum disorder / Lawrence SCAHILL in Autism, 19-1 (January 2015)  

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Parent-reported problematic sleep behaviors in children with comorbid autism spectrum disorder and attention-deficit/hyperactivity disorder / Katharine C. REYNOLDS in Research in Autism Spectrum Disorders, 39 (July 2017)  

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Role of fruits, grains, and seafood consumption in blood cadmium concentrations of Jamaican children with and without Autism Spectrum Disorder / Mohammad H. RAHBAR in Research in Autism Spectrum Disorders, 8-9 (September 2014)  

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Role of parental occupation in autism spectrum disorder diagnosis and severity / Aisha S. DICKERSON in Research in Autism Spectrum Disorders, 8-9 (September 2014)  

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The diagnosis of autism and autism spectrum disorder in low- and middle-income countries: Experience from Jamaica / Maureen SAMMS-VAUGHAN in Autism, 21-5 (July 2017)  

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