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Titeca, Daisy; Roeyers, Herbert; Desoete, Annemie – Focus on Autism and Other Developmental Disabilities, 2017
Studies comparing mathematical abilities of children with autism spectrum disorder (ASD) and typically developing children are hitherto scarce, inconclusive, and mainly focusing on elementary school children or adolescents. The present study wants to gain insight into the foundation of mathematics by looking at preschool performances. Five early…
Descriptors: Preschool Children, Autism, Pervasive Developmental Disorders, Numeracy
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Titeca, Daisy; Roeyers, Herbert; Ceulemans, Annelies; Desoete, Annemie – Early Education and Development, 2015
Research Findings: To date, studies comparing the mathematical abilities of children with autism spectrum disorder (ASD) and typically developing children are scarce, and results remain inconclusive. In general, studies on this topic focus on mathematical abilities learned from elementary school onward, with little attention for possible…
Descriptors: Numeracy, Mathematics Skills, Young Children, Autism
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Warreyn, Petra; Roeyers, Herbert – Autism: The International Journal of Research and Practice, 2014
Since imitation and joint attention are both important abilities for young children and since children with autism spectrum disorder show a range of problems in these domains, imitation and joint attention are important targets for intervention. In this study, we examined the possibility of promoting imitation and joint attention by means of a…
Descriptors: Imitation, Attention, Preschool Children, Pervasive Developmental Disorders
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Pieters, Stefanie; Desoete, Annemie; Roeyers, Herbert; Vanderswalmen, Ruth; Van Waelvelde, Hilde – Learning and Individual Differences, 2012
In a sample of 39 children with mathematical learning disabilities (MLD) and 106 typically developing controls belonging to three control groups of three different ages, we found that visual perception, motor skills and visual-motor integration explained a substantial proportion of the variance in either number fact retrieval or procedural…
Descriptors: Control Groups, Learning Disabilities, Young Children, Visual Perception
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Pieters, Stefanie; Desoete, Annemie; Van Waelvelde, Hilde; Vanderswalmen, Ruth; Roeyers, Herbert – Research in Developmental Disabilities: A Multidisciplinary Journal, 2012
Developmental coordination disorder (DCD) is a heterogeneous disorder, which is often co-morbid with learning disabilities. However, mathematical problems have rarely been studied in DCD. The aim of this study was to investigate the mathematical problems in children with various degrees of motor problems. Specifically, this study explored if the…
Descriptors: Evidence, Learning Disabilities, Computation, Developmental Delays
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Imeraj, Lindita; Antrop, Inge; Roeyers, Herbert; Swanson, James; Deschepper, Ellen; Bal, Sarah; Deboutte, Dirk – Journal of Child Psychology and Psychiatry, 2012
Background: Fluctuations in attention-deficit hyperactivity disorder (ADHD) symptoms related to regulatory deficits in arousal states are themselves characterized by circadian rhythms. Although cortisol is an important circadian arousal-related marker, studies focusing on across-the-day cortisol variations in ADHD are scarce. There is no study…
Descriptors: Attention Deficit Hyperactivity Disorder, Control Groups, Profiles, Symptoms (Individual Disorders)
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Demurie, Ellen; Roeyers, Herbert; Baeyens, Dieter; Sonuga-Barke, Edmund – Developmental Science, 2012
It has been difficult to differentiate attention-deficit/hyperactivity disorder (ADHD) and autism spectrum disorder (ASD) in terms of some aspects of their cognitive profile. While both show deficits in executive functions, it has been suggested that they may differ in their response to monetary reward. For instance, children with ADHD prefer…
Descriptors: Profiles, Attention Deficit Hyperactivity Disorder, Autism, Rewards
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Banaschewski, Tobias; Jennen-Steinmetz, Christine; Brandeis, Daniel; Buitelaar, Jan K.; Kuntsi, Jonna; Poustka, Luise; Sergeant, Joseph A.; Sonuga-Barke, Edmund J.; Frazier-Wood, Alexis C.; Albrecht, Bjorn; Chen, Wai; Uebel, Henrik; Schlotz, Wolff; van der Meere, Jaap J.; Gill, Michael; Manor, Iris; Miranda, Ana; Mulas, Fernando; Oades, Robert D.; Roeyers, Herbert; Rothenberger, Aribert; Steinhausen, Hans-Christoph; Faraone, Stephen V.; Asherson, Philip – Journal of Child Psychology and Psychiatry, 2012
Background: Emotional lability (EL) is commonly seen in patients with attention-deficit/hyperactivity disorder (ADHD). The reasons for this association remain currently unknown. To address this question, we examined the relationship between ADHD and EL symptoms, and performance on a range of neuropsychological tasks to clarify whether EL symptoms…
Descriptors: Attention Deficit Hyperactivity Disorder, Siblings, Severity (of Disability), Patients
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de Jong, Christien G. W.; Van De Voorde, Severine; Roeyers, Herbert; Raymaekers, Ruth; Oosterlaan, Jaap; Sergeant, Joseph A. – Journal of Abnormal Child Psychology, 2009
The nature of the comorbidity between Attention-Deficit/Hyperactivity Disorder (ADHD) and Reading Disability (RD) was examined using a double dissociation design. Children were between 8 and 12 years of age and entered into four groups: ADHD only (n = 24), ADHD+RD (n = 29), RD only (n = 41) and normal controls (n = 26). In total, 120 children…
Descriptors: Hyperactivity, Inhibition, Short Term Memory, Language Processing
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Ponnet, Koen; Buysse, Ann; Roeyers, Herbert; De Clercq, Armand – Journal of Autism and Developmental Disorders, 2008
This study further elaborates on the mind-reading impairments of young adults with autism spectrum disorder (ASD). The hypothesis is that differences in mind-reading abilities between subjects with ASD and control subjects become more apparent when they have to infer thoughts and feelings of other persons in a less structured or more chaotic…
Descriptors: Autism, Young Adults, Empathy, Perception
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Mulligan, Aisling; Anney, Richard J. L; O'Regan, Myra; Chen, Wai; Butler, Louise; Fitzgerald, Michael; Buitelaar, Jan; Steinhausen, Hans-Christoph; Rothenberger, Aribert; Minderaa, Ruud; Nijmeijer, Judith; Hoekstra, Pieter J.; Oades, Robert D.; Roeyers, Herbert; Buschgens, Cathelijne; Christiansen, Hanna; Franke, Barbara; Gabriels, Isabel; Hartman, Catharina; Kuntsi, Jonna; Marco, Rafaela; Meidad, Sheera; Mueller, Ueli; Psychogiou, Lamprini; Rommelse, Nanda; Thompson, Margaret; Uebel, Henrik; Banaschewski, Tobias; Ebstein, Richard; Eisenberg, Jacques; Manor, Iris; Miranda, Ana; Mulas, Fernando; Sergeant, Joseph; Sonuga-Barke, Edmund; Asherson, Phil; Faraone, Stephen V.; Gill, Michael – Journal of Autism and Developmental Disorders, 2009
It is hypothesised that autism symptoms are present in Attention-Deficit/Hyperactivity Disorder (ADHD), are familial and index subtypes of ADHD. Autism symptoms were compared in 821 ADHD probands, 1050 siblings and 149 controls. Shared familiality of autism symptoms and ADHD was calculated using DeFries-Fulker analysis. Autism symptoms were higher…
Descriptors: Siblings, Autism, Hyperactivity, Attention Deficit Disorders
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Verte, Sylvie; Geurts, Hilde M.; Roeyers, Herbert; Oosterlaan, Jaap; Sergeant, Joseph A. – Journal of Autism and Developmental Disorders, 2006
The aim of this study was to investigate whether children with high-functioning autism (HFA), Asperger's syndrome (AS), and pervasive developmental disorder not otherwise specified (PDDNOS) can be differentiated from each other and from normal controls on their neurocognitive executive functioning (EF) profile. Children with HFA and AS showed the…
Descriptors: Children, Pervasive Developmental Disorders, Control Groups, Comparative Analysis
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Warreyn, Petra; Roeyers, Herbert; Van Wetswinkel, Ulla; De Groote, Isabel – Journal of Autism and Developmental Disorders, 2007
The current study investigated initiating and following declarative joint attention, and initiating requesting joint attention in a group of preschool children with autism spectrum disorder (ASD) and an age-matched control group. Different forms of joint attention were elicited while children interacted with their mothers. Temporal coordination of…
Descriptors: Preschool Children, Control Groups, Autism, Comparative Analysis
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Antrop, Inge; Stock, Pieter; Verte, Sylvie; Wiersema, Jan Roelt; Baeyens, Dieter; Roeyers, Herbert – Journal of Child Psychology and Psychiatry, 2006
Background: Delay aversion, the motivation to escape or avoid delay, results in preference for small immediate over large delayed rewards. Delay aversion has been proposed as one distinctive psychological process that may underlie the behavioural symptoms and cognitive deficits of attention deficit/hyperactivity disorder (ADHD). Furthermore, the…
Descriptors: Attention Deficit Hyperactivity Disorder, Control Groups, Stimulation, Autism
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Warreyn, Petra; Roeyers, Herbert; de Groote, Isabel – Autism: The International Journal of Research and Practice, 2005
The present study examined spontaneous symbolic play, declarative joint attention, social referencing and imitation of symbolic play in 3- to 6-year-old children with an autism spectrum disorder (ASD; n= 20) during interaction with their mothers. Compared to a control group (n= 20) matched on age and IQ, the children with ASD initiated less joint…
Descriptors: Parent Child Relationship, Play, Mothers, Imitation