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Direct linkJoseph C. Y. Lau; Emily Landau; Qingcheng Zeng; Ruichun Zhang; Stephanie Crawford; Rob Voigt; Molly Losh – Autism: The International Journal of Research and Practice, 2025
Many individuals with autism experience challenges using language in social contexts (i.e., pragmatic language). Characterizing and understanding pragmatic variability is important to inform intervention strategies and the etiology of communication challenges in autism; however, current manual coding-based methods are often time and labor…
Descriptors: Artificial Intelligence, Models, Pragmatics, Language Variation
Chevalere, J.; Postal, V.; Jauregui, J.; Copet, P.; Laurier, V.; Thuilleaux, D. – Journal of Applied Research in Intellectual Disabilities, 2013
Introduction: The aim of the present study was to determine whether individuals with Prader--Willi syndrome (PWS) have impaired global executive functioning and whether this deficit is linked with intellectual disability. Another objective focussed on the variability in performance of intellectual quotient (IQ) and executive functions (EF)…
Descriptors: Foreign Countries, Mental Retardation, Executive Function, Genetic Disorders
Cioffi, Camille C.; Griffin, Amanda M.; Natsuaki, Misaki N.; Shaw, Daniel S.; Reiss, David; Ganiban, Jody M.; Neiderhiser, Jenae M.; Leve, Leslie D. – Developmental Psychology, 2021
Understanding the role of negative emotionality in the development of executive functioning (EF) and language skills can help identify developmental windows that may provide promising opportunities for intervention. In addition, because EF and language skills are, in part, genetically influenced, intergenerational transmission patterns are…
Descriptors: Adoption, Child Development, Executive Function, Language Skills
Tillmann, J.; Ashwood, K.; Absoud, M.; Bölte, S.; Bonnet-Brilhault, F.; Buitelaar, J. K.; Calderoni, S.; Calvo, R.; Canal-Bedia, R.; Canitano, R.; De Bildt, A.; Gomot, M.; Hoekstra, P. J.; Kaale, A.; McConachie, H.; Murphy, D. G.; Narzisi, A.; Oosterling, I.; Pejovic-Milovancevic, M.; Persico, A. M.; Puig, O.; Roeyers, H.; Rommelse, N.; Sacco, R.; Scandurra, V.; Stanfield, A. C.; Zander, E.; Charman, T. – Journal of Autism and Developmental Disorders, 2018
Research on sex-related differences in Autism Spectrum Disorder (ASD) has been impeded by small samples. We pooled 28 datasets from 18 sites across nine European countries to examine sex differences in the ASD phenotype on the ADI-R (376 females, 1763 males) and ADOS (233 females, 1187 males). On the ADI-R, early childhood restricted and…
Descriptors: Gender Differences, Age Differences, Diagnostic Tests, Observation
Yeh, Ting-Kuang; Hu, Chung-Yi; Yeh, Ting-Chi; Lin, Pei-Jung; Wu, Chung-Hsin; Lee, Po-Lei; Chang, Chun-Yen – Brain and Cognition, 2012
The contribution of genetic factors to the memory is widely acknowledged. Research suggests that these factors include genes involved in the dopaminergic pathway, as well as the genes for brain-derived neurotrophic factor (BDNF) and methylenetetrahydrofolate reductase (MTHFR). The activity of the products of these genes is affected by single…
Descriptors: Memory, Genetics, Neurological Organization, Auditory Perception
Puglisi, Marina L.; Hulme, Charles; Hamilton, Lorna G.; Snowling, Margaret J. – Scientific Studies of Reading, 2017
The home literacy environment is a well-established predictor of children's language and literacy development. We investigated whether formal, informal, and indirect measures of the home literacy environment predict children's reading and language skills once maternal language abilities are taken into account. Data come from a longitudinal study…
Descriptors: Family Literacy, Family Environment, Genetics, Language Skills
Cheung, Celeste H. M.; Wood, Alexis C.; Paloyelis, Yannis; Arias-Vasquez, Alejandro; Buitelaar, Jan K.; Franke, Barbara; Miranda, Ana; Mulas, Fernando; Rommelse, Nanda; Sergeant, Joseph A.; Sonuga-Barke, Edmund J.; Faraone, Stephen V.; Asherson, Philip; Kuntsi, Jonna – Journal of Child Psychology and Psychiatry, 2012
Background: Twin studies using both clinical and population-based samples suggest that the frequent co-occurrence of attention deficit hyperactivity disorder (ADHD) and reading ability/disability (RD) is largely driven by shared genetic influences. While both disorders are associated with lower IQ, recent twin data suggest that the shared genetic…
Descriptors: Attention Deficit Hyperactivity Disorder, Reading Difficulties, Siblings, Intelligence Quotient
Flynn, James R. – Intelligence, 2010
The ranking of Wechsler subtests in terms of their "g" loadings is equivalent to ranking them in terms of the cognitive complexity of the tasks measured. Lower performing groups do not always fall behind higher performing groups the more complex the task. But that is the general rule, no matter whether the cause of the lower performance…
Descriptors: Intelligence Quotient, Genetics, Intelligence Tests, Race
Download full textBiswas, Parthasarathy; Malhotra, Savita; Malhotra, Anil; Gupta, Nitin – Journal of Indian Association for Child and Adolescent Mental Health, 2006
Background: Childhood onset schizophrenia (COS) is a rare disorder. Comparative data on the effect of differential age of onset on clinical profile in schizophrenia are very few. Method: Subjects with COS (n = 15), adolescence onset schizophrenia (AdOS, n = 20) and adulthood onset schizophrenia (AOS, n = 20) were compared on socio-demographic,…
Descriptors: Schizophrenia, Intelligence Quotient, Psychopathology, Children
Peer reviewedLoehlin, John C.; And Others – Intelligence, 1994
Correlations on subscales of Wechsler intelligence quotient tests and the Revised Beta Examination were obtained for biologically related and unrelated individuals in 181 adoptive families in the Texas Adoption Project. Generally higher correlations for biologically related individuals support the importance of genetic influence in intellectual…
Descriptors: Adopted Children, Adoption, Cognitive Ability, Correlation
Jauregi, J.; Arias, C.; Vegas, O.; Alen, F.; Martinez, S.; Copet, P.; Thuilleaux, D. – Journal of Intellectual Disability Research, 2007
Background: Prader-Willi syndrome (PWS) is associated with a characteristic behavioural phenotype whose main features are, alongside compulsive hyperphagia, deficits in social behaviour: social withdrawal, temper tantrums, perseverative speech and behaviour, mental rigidity, stereotyped behaviour, impulsiveness, etc. Similar symptoms may also be…
Descriptors: Patients, Personality Traits, Memory, Intelligence Quotient
