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Showing 16 to 30 of 466 results Save | Export
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Thurman, Angela John; Hoyos Alvarez, Cesar – Journal of Autism and Developmental Disorders, 2020
In the present study, language performance on standardized assessments (e.g., overall verbal performance, receptive and expressive vocabulary) and spontaneous language produced in play was compared between preschool-aged boys with autism spectrum disorder ([subscript n]ASD, n = 25) and boys with fragile X syndrome (FXS, n = 16). At the…
Descriptors: Language Tests, Preschool Children, Males, Autism
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Schneider, Andrea; Ligsay, Andrew; Hagerman, Randi J. – Developmental Disabilities Research Reviews, 2013
Cognitive and behavioral correlates of molecular variations related to the FMR1 gene have been studied rather extensively, but research about the long-term outcome in individuals with fragile X spectrum disorders remains sparse. In this review, we present an overview of aging research and recent findings in regard to cellular and clinical…
Descriptors: Genetic Disorders, Aging (Individuals), Research, Developmental Disabilities
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Royston, R.; Oliver, C.; Howlin, P.; Dosse, A.; Armitage, P.; Moss, J.; Waite, J. – Journal of Autism and Developmental Disorders, 2020
Psychopathology is prevalent in Williams (WS), fragile X (FXS) and Prader-Willi (PWS) syndromes. However, little is known about the potential correlates of psychopathology in these groups. A questionnaire study was completed by 111 caregivers of individuals with WS (n = 35); FXS (n = 50) and PWS (n = 26). Mean age was 26 years (range 12-57 years);…
Descriptors: Psychopathology, Genetic Disorders, Correlation, Predictor Variables
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Crawford, Hayley; Moss, Joanna; Groves, Laura; Dowlen, Robyn; Nelson, Lisa; Reid, Donna; Oliver, Chris – Journal of Autism and Developmental Disorders, 2020
Unique socio-behavioural phenotypes are reported for individuals with different neurodevelopmental disorders. Here, the effects of adult familiarity and nature of interaction on social anxiety and social motivation were investigated in individuals with fragile X (FXS; n = 20), Cornelia de Lange (CdLS; n = 20) and Rubinstein-Taybi (RTS; n = 20)…
Descriptors: Genetic Disorders, Intellectual Disability, Anxiety, Motivation
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Van Remmerden, M. C.; Hoogland, L.; Mous, S. E.; Dierckx, B.; Coesmans, M.; Moll, H. A.; Lubbers, K.; Lincken, C. R.; Van Eeghen, A. M. – Journal of Autism and Developmental Disorders, 2020
Little is known about care needs of young adults with Fragile X Syndrome (FXS). Patient-driven information is needed to improve understanding and support of young adults with FXS. A qualitative study was performed in 5 young adult patients (aged 18-30), and 33 parents of young adults. Concerns and care needs were categorized using the…
Descriptors: Genetic Disorders, Intellectual Disability, Young Adults, Classification
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Schladant, Michelle; Dowling, Monica – Intellectual and Developmental Disabilities, 2020
Many children with fragile X syndrome (FXS) have complex communication needs and may benefit from augmentative and alternative communication (AAC). This qualitative study explored how four mother--child dyads used AAC in the home. Data were collected using participant observations, open-ended interviews, and record reviews, and analyzed using…
Descriptors: Parent Attitudes, Genetic Disorders, Intellectual Disability, Children
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Ellis, Katherine; Oliver, Chris; Stefanidou, Chrysi; Apperly, Ian; Moss, Jo – Journal of Autism and Developmental Disorders, 2020
We directly assessed the broader aspects of sociability (social enjoyment, social motivation, social interaction skills and social discomfort) in individuals with Cornelia de Lange (CdLS), fragile X (FXS) and Rubinstein-Taybi syndromes (RTS), and their association with autism characteristics and chronological age in these groups. Individuals with…
Descriptors: Interpersonal Competence, Motivation, Neurological Impairments, Genetic Disorders
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Moskowitz, Lauren J.; Will, Elizabeth A.; Black, Conner J.; Roberts, Jane E. – Journal of Autism and Developmental Disorders, 2020
There is limited research on the trajectory of restricted and repetitive behaviors (RRBs) in fragile X syndrome (FXS), with previous studies only examining males and/or examining RRBs as a unitary construct rather than delineating subtypes of RRBs. Thus, we described the trajectory of five subtypes of RRBs in 153 males and females with FXS (aged…
Descriptors: Behavior Problems, Genetic Disorders, Intellectual Disability, Congenital Impairments
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Bellavance, Jacques; Morin, Diane – Journal of Intellectual & Developmental Disability, 2019
Background: Fragile X syndrome (FXS) is the most common cause of inherited intellectual disability among men. This syndrome is frequently underdiagnosed in adults. The aim of this study was to develop and validate a French translation of the screening checklist "Fragiele-X screeningslijst." Method: The validation sample for the…
Descriptors: Genetic Disorders, Intellectual Disability, Males, Adults
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Nash, Rebecca; Riley, Catharine; Paramsothy, Pangaja; Gilbertson, Kendra; Raspa, Melissa; Wheeler, Anne; Dziuban, Eric J.; Peacock, Georgina – American Journal on Intellectual and Developmental Disabilities, 2019
Children with fragile X syndrome (FXS) display wide-ranging intellectual and behavioral abilities that affect daily life. We describe the educational setting of students with FXS and assess the relationships between school setting, co-occurring conditions, and functional ability using a national survey sample (n = 982). The majority of students…
Descriptors: Genetic Disorders, Intellectual Disability, Behavior Problems, Individualized Education Programs
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Muller, Kristen; Brady, Nancy C.; Warren, Steven F.; Fleming, Kandace K. – Journal of Intellectual & Developmental Disability, 2019
Background: Individuals with intellectual and developmental disabilities are more likely to engage in problem behaviours than peers with typical development. The purpose of this study was to provide descriptive and qualitative information about problem behaviours in children with fragile X syndrome (FXS) and how families respond to these…
Descriptors: Mother Attitudes, Intellectual Disability, Developmental Disabilities, Behavior Problems
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Roberts, Jane; Crawford, Hayley; Hogan, Abigail L.; Fairchild, Amanda; Tonnsen, Bridgette; Brewe, Alexis; O'Connor, Shannon; Roberts, Douglas A.; Abbeduto, Leonard – Journal of Autism and Developmental Disorders, 2019
Fragile X syndrome (FXS) is characterized by both social approach and social avoidance. However, the age of emergence and developmental trajectory of social avoidance has not been examined. This study investigates the longitudinal developmental trajectory and dynamic nature of social avoidance in males with FXS from infancy through young adulthood…
Descriptors: Infants, Genetic Disorders, Age Groups, Longitudinal Studies
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Fielding-Gebhardt, Heather; Warren, Steven F. – American Journal on Intellectual and Developmental Disabilities, 2019
The predictive ability of early consonant inventory and intentional communication on later expressive language was examined in 36 boys with fragile X syndrome (FXS). Autism symptom severity was included as a potential moderator. Participants were visited in their homes twice over a 6-year period, and mother-child interactions were videotaped,…
Descriptors: Intellectual Disability, Home Visits, Mothers, Parent Child Relationship
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Vismara, Laurie A.; McCormick, Carolyn E. B.; Shields, Rebecca; Hessl, David – Journal of Autism and Developmental Disorders, 2019
This is the first study to evaluate an autism intervention model, the parent-delivered Early Start Denver Model (P-ESDM), for young children with fragile X syndrome (FXS), a known genetic disorder associated with autism spectrum disorder. Four parent-child dyads participated in a low-intensity, parent coaching model of the P-ESDM to evaluate…
Descriptors: Genetic Disorders, Autism, Pervasive Developmental Disorders, Early Intervention
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Klusek, Jessica; McGrath, Sara E.; Abbeduto, Leonard; Roberts, Jane E. – Journal of Speech, Language, and Hearing Research, 2016
Purpose: Pragmatic language difficulties have been documented as part of the FMR1 premutation phenotype, yet the interplay between these features in mothers and the language outcomes of their children with fragile X syndrome is unknown. This study aimed to determine whether pragmatic language difficulties in mothers with the "FMR1"…
Descriptors: Mothers, Mental Disorders, Congenital Impairments, Language Impairments
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