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Auteur Richard D. TODD |
Documents disponibles écrits par cet auteur (6)



Titre : Attention-Deficit/Hyperactivity Disorder (ADHD) Type de document : Texte imprimé et/ou numérique Auteurs : Angela M. REIERSEN, Auteur ; Richard D. TODD, Auteur Année de publication : 2011 Importance : p.304-314 Langues : Anglais (eng) Index. décimale : AUT-B AUT-B - L'Autisme - Ouvrages généraux et scientifiques Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=139 Attention-Deficit/Hyperactivity Disorder (ADHD) [Texte imprimé et/ou numérique] / Angela M. REIERSEN, Auteur ; Richard D. TODD, Auteur . - 2011 . - p.304-314.
Langues : Anglais (eng)
Index. décimale : AUT-B AUT-B - L'Autisme - Ouvrages généraux et scientifiques Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=139 Exemplaires
Code-barres Cote Support Localisation Section Disponibilité aucun exemplaire Autistic traits in a population-based ADHD twin sample / Angela M. REIERSEN in Journal of Child Psychology and Psychiatry, 48-5 (May 2007)
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Titre : Autistic traits in a population-based ADHD twin sample Type de document : Texte imprimé et/ou numérique Auteurs : Angela M. REIERSEN, Auteur ; Richard D. TODD, Auteur ; John N. CONSTANTINO, Auteur ; Heather E. VOLK, Auteur Année de publication : 2007 Article en page(s) : p.464–472 Langues : Anglais (eng) Mots-clés : ADHD autism PDD Social-Responsiveness-Scale Index. décimale : PER Périodiques Résumé : Most diagnostic nomenclatures do not allow for the concurrent diagnosis of autism and attention-deficit/hyperactivity disorder (ADHD). Clinic-based studies suggest autistic symptoms are common in children with ADHD, but such studies are prone to referral bias. This study assesses whether children with ADHD selected from the general twin population have elevated levels of autistic traits.
Methods: Nine hundred forty-six twins identified by Missouri birth records were assigned to DSM-IV ADHD diagnoses and seven population-derived ADHD subtypes defined through latent class analysis of DSM-IV ADHD symptoms. The Social Responsiveness Scale (SRS) was used as a quantitative measure of autistic traits. Linear regression was used to evaluate whether mean SRS scores differed between ADHD diagnostic groups.
Results: Mean SRS scores for DSM-IV predominantly inattentive subtype and combined subtype ADHD groups were significantly higher than for subjects without DSM-IV ADHD (p < .001, both comparisons). Five of the population-derived ADHD subtypes (talkative-impulsive, mild and severe inattentive, mild and severe combined) had significantly higher mean SRS scores compared to the latent class subtype with few ADHD symptoms (p < .001, all comparisons). DSM-IV combined subtype and the population-derived severe combined subtype had the highest mean total SRS scores and the highest mean scores for each of the three autism symptom domains, with a substantial proportion of individuals scoring in the clinically significant range.
Conclusions: This study provides population-based evidence for clinically significant elevations of autistic traits in children meeting diagnostic criteria for ADHD. These results have implications for the design and interpretation of studies of both disorders.En ligne : http://dx.doi.org/10.1111/j.1469-7610.2006.01720.x Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=958
in Journal of Child Psychology and Psychiatry > 48-5 (May 2007) . - p.464–472[article] Autistic traits in a population-based ADHD twin sample [Texte imprimé et/ou numérique] / Angela M. REIERSEN, Auteur ; Richard D. TODD, Auteur ; John N. CONSTANTINO, Auteur ; Heather E. VOLK, Auteur . - 2007 . - p.464–472.
Langues : Anglais (eng)
in Journal of Child Psychology and Psychiatry > 48-5 (May 2007) . - p.464–472
Mots-clés : ADHD autism PDD Social-Responsiveness-Scale Index. décimale : PER Périodiques Résumé : Most diagnostic nomenclatures do not allow for the concurrent diagnosis of autism and attention-deficit/hyperactivity disorder (ADHD). Clinic-based studies suggest autistic symptoms are common in children with ADHD, but such studies are prone to referral bias. This study assesses whether children with ADHD selected from the general twin population have elevated levels of autistic traits.
Methods: Nine hundred forty-six twins identified by Missouri birth records were assigned to DSM-IV ADHD diagnoses and seven population-derived ADHD subtypes defined through latent class analysis of DSM-IV ADHD symptoms. The Social Responsiveness Scale (SRS) was used as a quantitative measure of autistic traits. Linear regression was used to evaluate whether mean SRS scores differed between ADHD diagnostic groups.
Results: Mean SRS scores for DSM-IV predominantly inattentive subtype and combined subtype ADHD groups were significantly higher than for subjects without DSM-IV ADHD (p < .001, both comparisons). Five of the population-derived ADHD subtypes (talkative-impulsive, mild and severe inattentive, mild and severe combined) had significantly higher mean SRS scores compared to the latent class subtype with few ADHD symptoms (p < .001, all comparisons). DSM-IV combined subtype and the population-derived severe combined subtype had the highest mean total SRS scores and the highest mean scores for each of the three autism symptom domains, with a substantial proportion of individuals scoring in the clinically significant range.
Conclusions: This study provides population-based evidence for clinically significant elevations of autistic traits in children meeting diagnostic criteria for ADHD. These results have implications for the design and interpretation of studies of both disorders.En ligne : http://dx.doi.org/10.1111/j.1469-7610.2006.01720.x Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=958 Developmental course of autistic social impairment in males / John N. CONSTANTINO in Development and Psychopathology, 21-1 (January 2009)
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Titre : Developmental course of autistic social impairment in males Type de document : Texte imprimé et/ou numérique Auteurs : John N. CONSTANTINO, Auteur ; Richard D. TODD, Auteur ; Lily CHIANG, Auteur ; Leah GIVENS, Auteur ; Hannah REED, Auteur ; Maggie M. GROSS, Auteur ; Teddi L. GRAY, Auteur ; Patricia LAVESSER, Auteur ; Anna ABBACCHI, Auteur ; Yi ZHANG, Auteur Année de publication : 2009 Article en page(s) : p.127-138 Langues : Anglais (eng) Index. décimale : PER Périodiques Résumé : Recent research has suggested that autistic social impairment (ASI) is continuously distributed in nature and that subtle autistic-like social impairments aggregate in the family members of children with pervasive developmental disorders (PDDs). This study examined the longitudinal course of quantitatively characterized ASI in 3- to 18-year-old boys with and without PDD. We obtained assessments of 95 epidemiologically ascertained male–male twin pairs and a clinical sample of 95 affected children using the Social Responsiveness Scale (SRS), at two time points, spaced 1–5 years apart. Longitudinal course was examined as a function of age, familial loading for PDD, and autistic severity at baseline. Interindividual variation in SRS scores was highly preserved over time, with test–retest correlation of 0.90 for the entire sample. SRS scores exhibited modest general improvement over the study period; individual trajectories varied as a function of severity at baseline and were highly familial. Quantitative measurements of ASI reflect heritable traitlike characteristics. Such measurements can serve as reliable indices of phenotypic severity for genetic and neurobiologic studies, and have potential utility for ascertaining incremental response to intervention. En ligne : http://dx.doi.org/10.1017/s095457940900008x Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=680
in Development and Psychopathology > 21-1 (January 2009) . - p.127-138[article] Developmental course of autistic social impairment in males [Texte imprimé et/ou numérique] / John N. CONSTANTINO, Auteur ; Richard D. TODD, Auteur ; Lily CHIANG, Auteur ; Leah GIVENS, Auteur ; Hannah REED, Auteur ; Maggie M. GROSS, Auteur ; Teddi L. GRAY, Auteur ; Patricia LAVESSER, Auteur ; Anna ABBACCHI, Auteur ; Yi ZHANG, Auteur . - 2009 . - p.127-138.
Langues : Anglais (eng)
in Development and Psychopathology > 21-1 (January 2009) . - p.127-138
Index. décimale : PER Périodiques Résumé : Recent research has suggested that autistic social impairment (ASI) is continuously distributed in nature and that subtle autistic-like social impairments aggregate in the family members of children with pervasive developmental disorders (PDDs). This study examined the longitudinal course of quantitatively characterized ASI in 3- to 18-year-old boys with and without PDD. We obtained assessments of 95 epidemiologically ascertained male–male twin pairs and a clinical sample of 95 affected children using the Social Responsiveness Scale (SRS), at two time points, spaced 1–5 years apart. Longitudinal course was examined as a function of age, familial loading for PDD, and autistic severity at baseline. Interindividual variation in SRS scores was highly preserved over time, with test–retest correlation of 0.90 for the entire sample. SRS scores exhibited modest general improvement over the study period; individual trajectories varied as a function of severity at baseline and were highly familial. Quantitative measurements of ASI reflect heritable traitlike characteristics. Such measurements can serve as reliable indices of phenotypic severity for genetic and neurobiologic studies, and have potential utility for ascertaining incremental response to intervention. En ligne : http://dx.doi.org/10.1017/s095457940900008x Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=680 Poor utility of the age of onset criterion for DSM-IV attention deficit/hyperactivity disorder: recommendations for DSM-V and ICD-11 / Richard D. TODD in Journal of Child Psychology and Psychiatry, 49-9 (September 2008)
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Titre : Poor utility of the age of onset criterion for DSM-IV attention deficit/hyperactivity disorder: recommendations for DSM-V and ICD-11 Type de document : Texte imprimé et/ou numérique Auteurs : Richard D. TODD, Auteur ; Hongyan HUANG, Auteur ; Cynthia A. HENDERSON, Auteur Année de publication : 2008 Article en page(s) : p.942-949 Langues : Anglais (eng) Mots-clés : Attention-deficit/hyperactivity-disorder age-of-onset twin-study follow-up-study disruptive-behavior-disorders Index. décimale : PER Périodiques Résumé : Background: To test whether the retrospective reporting of the age of onset impairment criterion for attention deficit/hyperactivity disorder (ADHD) required in the Diagnostic and Statistical Manual of Mental Disorders – IV (DSM-IV) complicates identification of new and known child and adolescent cases later in life.
Methods: A birth-records-based cohort of twins assessed at ages 7 to 19 years were blindly reassessed five years later using the MAGIC interview. Study outcome measures were differences in reported ages of onset for attention deficit/hyperactivity disorder (ADHD), oppositional defiant disorder (ODD), conduct disorder (CD) and major depressive disorder (MDD).
Results: For all age groups and respondents (parent on youth or youth self-report), later ages of ADHD onset were reported five years later. The same phenomenon was also present for the other diagnostic groups. Of the initial ADHD individuals who continued to meet all other ADHD criteria at follow-up, 46% failed the age of onset criterion five years later. When ignoring the age of onset criterion, late onsets of ages 7–16 years accounted for about 10% of all ADHD.
Conclusions: Use of the DSM-IV age of onset criterion for attention deficit/hyperactivity disorder in the assessment of adolescents and young adults results in under-identification of affected individuals. Consideration should be given to revising the current nomenclatures to reflect the reality of retrospective reporting errors in age of onset as well as the presence of late onset cases.En ligne : http://dx.doi.org/10.1111/j.1469-7610.2008.01892.x Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=558
in Journal of Child Psychology and Psychiatry > 49-9 (September 2008) . - p.942-949[article] Poor utility of the age of onset criterion for DSM-IV attention deficit/hyperactivity disorder: recommendations for DSM-V and ICD-11 [Texte imprimé et/ou numérique] / Richard D. TODD, Auteur ; Hongyan HUANG, Auteur ; Cynthia A. HENDERSON, Auteur . - 2008 . - p.942-949.
Langues : Anglais (eng)
in Journal of Child Psychology and Psychiatry > 49-9 (September 2008) . - p.942-949
Mots-clés : Attention-deficit/hyperactivity-disorder age-of-onset twin-study follow-up-study disruptive-behavior-disorders Index. décimale : PER Périodiques Résumé : Background: To test whether the retrospective reporting of the age of onset impairment criterion for attention deficit/hyperactivity disorder (ADHD) required in the Diagnostic and Statistical Manual of Mental Disorders – IV (DSM-IV) complicates identification of new and known child and adolescent cases later in life.
Methods: A birth-records-based cohort of twins assessed at ages 7 to 19 years were blindly reassessed five years later using the MAGIC interview. Study outcome measures were differences in reported ages of onset for attention deficit/hyperactivity disorder (ADHD), oppositional defiant disorder (ODD), conduct disorder (CD) and major depressive disorder (MDD).
Results: For all age groups and respondents (parent on youth or youth self-report), later ages of ADHD onset were reported five years later. The same phenomenon was also present for the other diagnostic groups. Of the initial ADHD individuals who continued to meet all other ADHD criteria at follow-up, 46% failed the age of onset criterion five years later. When ignoring the age of onset criterion, late onsets of ages 7–16 years accounted for about 10% of all ADHD.
Conclusions: Use of the DSM-IV age of onset criterion for attention deficit/hyperactivity disorder in the assessment of adolescents and young adults results in under-identification of affected individuals. Consideration should be given to revising the current nomenclatures to reflect the reality of retrospective reporting errors in age of onset as well as the presence of late onset cases.En ligne : http://dx.doi.org/10.1111/j.1469-7610.2008.01892.x Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=558 Social and Non-Social Cueing of Visuospatial Attention in Autism and Typical Development / John R. PRUETT in Journal of Autism and Developmental Disorders, 41-6 (June 2011)
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Titre : Social and Non-Social Cueing of Visuospatial Attention in Autism and Typical Development Type de document : Texte imprimé et/ou numérique Auteurs : John R. PRUETT, Auteur ; Angela LAMACCHIA, Auteur ; Sarah HOERTEL, Auteur ; Emma SQUIRE, Auteur ; Kelly MCVEY, Auteur ; Richard D. TODD, Auteur ; John N. CONSTANTINO, Auteur ; Steven E. PETERSEN, Auteur Année de publication : 2011 Article en page(s) : p.715-731 Langues : Anglais (eng) Mots-clés : Gaze Box Arrow Vision Oculomotor Child Index. décimale : PER Périodiques Résumé : Three experiments explored attention to eye gaze, which is incompletely understood in typical development and is hypothesized to be disrupted in autism. Experiment 1 (n = 26 typical adults) involved covert orienting to box, arrow, and gaze cues at two probabilities and cue-target times to test whether reorienting for gaze is endogenous, exogenous, or unique; experiment 2 (total n = 80: male and female children and adults) studied age and sex effects on gaze cueing. Gaze cueing appears endogenous and may strengthen in typical development. Experiment 3 tested exogenous, endogenous, and gaze-based orienting in 25 typical and 27 Autistic Spectrum Disorder (ASD) children. ASD children made more saccades, slowing their reaction times; however, exogenous and endogenous orienting, including gaze cueing, appear intact in ASD. En ligne : http://dx.doi.org/10.1007/s10803-010-1090-z Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=127
in Journal of Autism and Developmental Disorders > 41-6 (June 2011) . - p.715-731[article] Social and Non-Social Cueing of Visuospatial Attention in Autism and Typical Development [Texte imprimé et/ou numérique] / John R. PRUETT, Auteur ; Angela LAMACCHIA, Auteur ; Sarah HOERTEL, Auteur ; Emma SQUIRE, Auteur ; Kelly MCVEY, Auteur ; Richard D. TODD, Auteur ; John N. CONSTANTINO, Auteur ; Steven E. PETERSEN, Auteur . - 2011 . - p.715-731.
Langues : Anglais (eng)
in Journal of Autism and Developmental Disorders > 41-6 (June 2011) . - p.715-731
Mots-clés : Gaze Box Arrow Vision Oculomotor Child Index. décimale : PER Périodiques Résumé : Three experiments explored attention to eye gaze, which is incompletely understood in typical development and is hypothesized to be disrupted in autism. Experiment 1 (n = 26 typical adults) involved covert orienting to box, arrow, and gaze cues at two probabilities and cue-target times to test whether reorienting for gaze is endogenous, exogenous, or unique; experiment 2 (total n = 80: male and female children and adults) studied age and sex effects on gaze cueing. Gaze cueing appears endogenous and may strengthen in typical development. Experiment 3 tested exogenous, endogenous, and gaze-based orienting in 25 typical and 27 Autistic Spectrum Disorder (ASD) children. ASD children made more saccades, slowing their reaction times; however, exogenous and endogenous orienting, including gaze cueing, appear intact in ASD. En ligne : http://dx.doi.org/10.1007/s10803-010-1090-z Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=127 The Obsessive Compulsive Scale of the Child Behavior Checklist predicts obsessive-compulsive disorder: a receiver operating characteristic curve analysis / James J. HUDZIAK in Journal of Child Psychology and Psychiatry, 47-2 (February 2006)
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