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Direct linkEva Shin; Caitlin Ravichandran; Danielle Renzi; Barbara R. Pober; Christopher J. McDougle; Robyn P. Thom – Journal of Autism and Developmental Disorders, 2024
Purpose: This study describes participant diversity in Williams syndrome (WS) intervention studies. Methods: A literature search was conducted to identify prospective treatment studies including participants with WS. Data was extracted on the reporting of and information provided on age, sex, cognitive ability, socioeconomic status, race, and…
Descriptors: Genetic Disorders, Disabilities, Cognitive Ability, Socioeconomic Status
Carla A. Wall; Frederick Shic; Elizabeth A. Will; Quan Wang; Jane E. Roberts – Journal of Autism and Developmental Disorders, 2025
Purpose: Fragile X syndrome (FXS) is a single-gene disorder characterized by moderate to severe cognitive impairment and a high association with autism spectrum disorder (ASD) and Attention-Deficit/Hyperactivity Disorder (ADHD). Atypical visual attention is a feature of FXS, ASD, and ADHD. Thus, studying early attentional patterns in young…
Descriptors: Genetic Disorders, Autism Spectrum Disorders, Attention Deficit Hyperactivity Disorder, Symptoms (Individual Disorders)
Ana Alejandra Espinosa-Mojica; Carmen Varo Varo – Journal of Speech, Language, and Hearing Research, 2024
Purpose: Language studies on populations with rare genetic disorders are limited. Hence, there is little data on commonly found or expected developmental linguistic traits and cognitive mechanisms that may be impaired. Based on the hypothesis that there is a close connection between language and cognition and the relevance of specific genetic…
Descriptors: Genetic Disorders, Child Development, Children, Language Skills
Cristan Farmer; Audrey Thurm; Tanvi Das; E. Martina Bebin; Jonathan A. Bernstein; Elizabeth Berry-Kravis; Joseph D. Buxbaum; Charis Eng; Thomas Frazier; Antonio Y. Hardan; Alexander Kolevzon; Darcy A. Krueger; Julian A. Martinez-Agosto; Hope Northrup; Craig M. Powell; Latha Valluripalli Soorya; Joyce Y. Wu; Mustafa Sahin – American Journal on Intellectual and Developmental Disabilities, 2025
Developmental domains, such as cognitive, language, and motor, are key concepts of interest in longitudinal studies of intellectual and developmental disabilities (IDD). Normative scores (e.g., IQ) are often used to operationalize performance on standardized tests of these concepts, but it is the interval-distributed person-ability scores that are…
Descriptors: Cognitive Tests, Intelligence Tests, Cognitive Ability, Intellectual Disability
Michael R. Capawana; Pieter J. Vuijk; Joanna Martin; Alisha R. Pollastri; Gina A. Forchelli; Georgia G. Woscoboinik; Sonia L. Tremblay; Lauren E. Wolfe; Ellen B. Braaten; Alysa E. Doyle – Journal of Attention Disorders, 2024
Objective: We leveraged common genetic variation underlying ADHD, educational attainment (EA) and cognition (COG) to understand the nature of the Behavior Rating Inventory for Executive Functions (BRIEF) and its relationship to academic functioning. Method: Participants were 991 youth, ages 7 to 17, consecutively referred for neuropsychiatric…
Descriptors: Attention Deficit Hyperactivity Disorder, Executive Function, Child Behavior, Genetics
Laura Zampini; Alessandra Provera; Paola Zanchi; Gaia Silibello; Domenica Mastromattei; Francesca Angeleri; Maria Antonella Costantino; Paola Francesca Ajmone – Journal of Speech, Language, and Hearing Research, 2025
Purpose: This study investigated the language and cognitive skills of preschool children with sex chromosome trisomies (SCTs) with and without a co-diagnosis of developmental language disorder (DLD), considering possible differences between SCT types (i.e., XXX, XXY, and XYY). Method: Fifty-five children with a prenatally diagnosed SCT (19 XXX, 25…
Descriptors: Genetic Disorders, Preschool Children, Developmental Delays, Language Impairments
Barstein, Jamie; Jeste, Shafali; Saravanapandian, Vidya; Hyde, Carly; Distefano, Charlotte – American Journal on Intellectual and Developmental Disabilities, 2021
Duplication of chromosome 15q11.2-q13.1 (dup15q syndrome) results in hypotonia, intellectual disability (ID), and autism symptomatology. Clinical electroencephalography has shown abnormal sleep physiology, but no studies have characterized sleep behaviors. The present study used the Children's Sleep Habits Questionnaire (CSHQ) in 42 people with…
Descriptors: Genetic Disorders, Sleep, Children, Cognitive Ability
Chloe Austerberry; Pasco Fearon; Angelica Ronald; Leslie D. Leve; Jody M. Ganiban; Misaki N. Natsuaki; Daniel S. Shaw; Jenae M. Neiderhiser; David Reiss – Child Development, 2024
This study examined gene-environment correlation (rGE) in intellectual and academic development in 561 U.S.-based adoptees (57% male; 56% non-Latinx White, 19% multiracial, 13% Black or African American, 11% Latinx) and their birth and adoptive parents between 2003 and 2017. Birth mother intellectual and academic performance predicted adoptive…
Descriptors: Genetic Disorders, Adoption, Mothers, Cognitive Ability
Jo M. C. Nelissen – Curriculum and Teaching, 2024
This article is about problems that children may have when learning mathematics, problems that are also typified in publications as 'dyscalculia'. We consider two questions. The first: Is a child a dyscalculic if it runs into trouble learning mathematics? The second: Does a child have problems when learning mathematics because it experiences…
Descriptors: Learning Disabilities, Mathematics Instruction, Learning Problems, Mathematics Skills
Chevalère, J.; Camblats, A. -M.; Laurier, V.; Tauber, M.; Thuilleaux, D.; Postal, V. – Journal of Intellectual & Developmental Disability, 2022
Background: The present study investigated decision-making in patients with Prader-Willi syndrome (PWS) using the Soochow Gambling Task (SGT). The objective was to assess whether adults with PWS have impaired hot executive functions and whether the deficit is specific to PWS or linked to intellectual disabilities. Method: The SGT performance of 26…
Descriptors: Genetic Disorders, Decision Making, Adults, Executive Function
Rebecca M. Pollak; T. Lindsey Burrell; Joseph F. Cubells; Cheryl Klaiman; Melissa M. Murphy; Celine A. Saulnier; Elaine F. Walker; Stormi Pulver White; Jennifer G. Mulle – Journal of Autism and Developmental Disorders, 2024
3q29 deletion syndrome (3q29del) is associated with neuropsychiatric and neurodevelopmental phenotypes. We previously reported that graphomotor weakness is present in up to 78% of individuals with 3q29del. We have now explored nuances of the graphomotor phenotype and its association with other comorbidities in this population. Participants were…
Descriptors: Genetic Disorders, Neurodevelopmental Disorders, Psychomotor Skills, Visual Perception
Corti, Claudia; Oldrati, Viola; Storm, Fabio; Bardoni, Alessandra; Strazzer, Sandra; Romaniello, Romina – Journal of Intellectual Disabilities, 2023
Increased attention is arising on the delivery of remote cognitive interventions, which allow performing exercises in everyday settings, favouring rehabilitation continuity. The present study offers an overview of remote cognitive training programs for children with congenital brain malformation or genetic syndrome affecting the central nervous…
Descriptors: Brain, Neurological Impairments, Genetic Disorders, Distance Education
Block, Elisa; Farran, Emily K.; Van Herwegen, Jo – American Journal on Intellectual and Developmental Disabilities, 2022
The block design task (BDT) is a visuospatial measure that individuals with Williams syndrome (WS) perform poorly on. However, it is unclear what underlies their impaired performance. This study investigated whether poorer performance is a result of visuospatial difficulties, executive function (EF) difficulties, atypical looking strategies, or a…
Descriptors: Task Analysis, Visual Perception, Spatial Ability, Executive Function
Lee Chin Wong; Chia-Jui Hsu; Yen-Tzu Wu; Hsu-Feng Chu; Jui-Hsiang Lin; Hsin-Pei Wang; Su-Ching Hu; Ying-Chieh Tsai; Wen-Che Tsai; Wang-Tso Lee – Autism: The International Journal of Research and Practice, 2024
This pilot study investigates the feasibility and assesses the impact of "Lactobacillus plantarum" PS128 probiotics on the neurological function in Rett syndrome. We conducted a randomized, double-blind, and placebo-controlled trial on Rett syndrome with MECP2 mutation aged between 1 and 50 years in Taiwan. In this pilot study,…
Descriptors: Genetic Disorders, Children, Adults, Intervention
Richter, Caroline G.; Cardoso-Martins, Cláudia; Mervis, Carolyn B. – Reading and Writing: An Interdisciplinary Journal, 2023
We examined the cognitive, language, and instructional predictors of early word-reading ability in a sample of children with Williams syndrome longitudinally. At Time 1, sixty-nine 6-7-year-olds (mean age = 6.53 years) completed standardized measures of phonological awareness, visual-spatial perception, vocabulary, and overall intellectual…
Descriptors: Predictor Variables, Reading Skills, Genetic Disorders, Young Children
