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Chisholm, Anita K.; Lami, Francesca; Haebich, Kristina M.; Ure, Alex; Brignell, Amanda; Maloof, Tiba; Pride, Natalie A.; Walsh, Karin S.; Maier, Alice; Rouel, Melissa; Granader, Yael; Barton, Belinda; Darke, Hayley; Fuelscher, Ian; Dabscheck, Gabriel; Anderson, Vicki A.; Williams, Katrina; North, Kathryn N.; Payne, Jonathan M. – Journal of Autism and Developmental Disorders, 2023
This study investigated sex and age differences in autistic behaviours in children with neurofibromatosis type 1 (NF1) who scored within the clinical range on the Social Responsiveness Scale - Second Edition (T score [greater than or equal to] 60). Thirty-four males and 28 females (3-16 years) were assessed with the Autism Diagnostic Observation…
Descriptors: Gender Differences, Age Differences, Autism Spectrum Disorders, Symptoms (Individual Disorders)
Tofani, Marco; Scarcella, Lucia; Galeoto, Giovanni; Giovannone, Federica; Sogos, Carla – Journal of Autism and Developmental Disorders, 2023
There is increasing literature showing that the presentation of Autism Spectrum Disorder (ASD) could be different according to the sex of the patient. Through the analysis of the Autism Diagnostic Interview Revised interview results of a study group consisting of 56 preschool children diagnosed with ASD potential differences in the presentation of…
Descriptors: Gender Differences, Case Studies, Autism Spectrum Disorders, Verbal Ability
Rahaman, Md. Ashiquir; Lopa, Maksuda; Uddin, K. M. Furkan; Baqui, Md. Abdul; Keya, Selina Parvin; Faruk, Md. Omar; Sarker, Shaoli; Basiruzzaman, Mohammed; Islam, Mazharul; AlBanna, Ammar; Jahan, Nargis; Chowdhury, M. A. K. Azad; Saha, Narayan; Hussain, Manzoor; Colombi, Costanza; O'Rielly, Darren; Woodbury-Smith, Marc; Ghaziuddin, Mohammad; Rahman, Mohammad Mizanur; Uddin, Mohammed – Journal of Autism and Developmental Disorders, 2021
This study explored the physical and clinical phenotype of Bangladeshi children with autism spectrum disorder (ASD). A totally of 283 children who were referred for screening and administered Module 1 of the Autism Diagnostic Observation Schedule (ADOS) were included. Overall, 209 met the ADOS algorithmic cutoff for ASD. A trend for greater weight…
Descriptors: Foreign Countries, Genetics, Autism, Pervasive Developmental Disorders
Rubenstein, Eric; Wiggins, Lisa D.; Schieve, Laura A.; Bradley, Chyrise; DiGuiseppi, Carolyn; Moody, Eric; Pandey, Juhi; Pretzel, Rebecca Edmondson; Howard, Annie Green; Olshan, Andrew F.; Pence, Brian W.; Daniels, Julie – Autism: The International Journal of Research and Practice, 2019
The autism spectrum disorder phenotype varies by social and communication ability and co-occurring developmental, behavioral, and medical conditions. Etiology is also diverse, with myriad potential genetic origins and environmental risk factors. Examining the influence of parental broader autism phenotype--a set of sub-clinical characteristics of…
Descriptors: Autism, Pervasive Developmental Disorders, Parents, Young Children
Klein-Tasman, Bonita P.; Mervis, Carolyn B. – Journal of Autism and Developmental Disorders, 2018
Gold-standard diagnostic assessments of autism spectrum disorder (ASD) symptomatology were conducted on 63 children (mean CA: 8.81 years) with 7q11.23 duplication syndrome, one of the copy number variants identified by Sanders et al. ("Neuron" 70:863-885, 2011a) as associated with ASD. ASD classification rate was 39.6% for the Autism…
Descriptors: Autism, Pervasive Developmental Disorders, Clinical Diagnosis, Age Differences
Klusek, Jessica; Losh, Molly; Martin, Gary E. – Autism: The International Journal of Research and Practice, 2014
While there is a strong sex bias in the presentation of autism, it is unknown whether this bias is also present in subclinical manifestations of autism among relatives, or the broad autism phenotype. This study examined this question and investigated patterns of co-occurrence of broad autism phenotype traits within families of individuals with…
Descriptors: Gender Differences, Genetic Disorders, Genetics, Pragmatics
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
Howe, Yamini J.; O'Rourke, Julia A.; Yatchmink, Yvette; Viscidi, Emma W.; Jones, Richard N.; Morrow, Eric M. – Journal of Autism and Developmental Disorders, 2015
This study investigated the differences in clinical symptoms between females and males with autism spectrum disorder (ASD) across three verbal ability groups (nonverbal, phrase and fluent speech), based on which Autism Diagnostic Observation Schedule module was administered to 5723 individuals in four research datasets. In the Simons Simplex…
Descriptors: Autism, Pervasive Developmental Disorders, Diagnostic Tests, Observation
Interagency Autism Coordinating Committee, 2023
Each year, the Interagency Autism Coordinating Committee (IACC) releases a list of scientific advances that represent significant progress in the field of autism research. The "Summary of Advances" provides short, plain language summaries of the top research breakthroughs selected by the IACC from a pool of research articles nominated by…
Descriptors: Autism Spectrum Disorders, Research, Screening Tests, Clinical Diagnosis
Klusek, J.; Martin, G. E.; Losh, M. – Journal of Intellectual Disability Research, 2014
Background: Prior research suggests that 60-74% of males and 16-45% of females with fragile X syndrome (FXS) meet criteria for autism spectrum disorder (ASD) in research settings. However, relatively little is known about the rates of clinical diagnoses in FXS and whether such diagnoses are consistent with those performed in a research setting…
Descriptors: Genetic Disorders, Pervasive Developmental Disorders, Autism, Clinical Diagnosis
Puleo, Connor Morrow; Schmeidler, James; Reichenberg, Abraham; Kolevzon, Alexander; Soorya, Latha V.; Buxbaum, Joseph D.; Silverman, Jeremy M. – Autism: The International Journal of Research and Practice, 2012
De novo events appear more common in female and simplex autism spectrum disorder (ASD) cases and may underlie greater ASD risk in older fathers' offspring. This study examined whether advancing paternal age predicts an increase in simplex (n = 90) versus multiplex ASD cases (n = 587) in 677 participants (340 families). Whether or not controlling…
Descriptors: Autism, Risk, Males, Age Differences
Hall, Scott S.; Lightbody, Amy A.; Hirt, Melissa; Rezvani, Ava; Reiss, Allan L. – Journal of the American Academy of Child & Adolescent Psychiatry, 2010
Objective: Many investigators now routinely classify children with fragile X syndrome (FXS) according to whether or not they also meet diagnostic criteria for autism. To determine whether this classification is appropriate, we examined the profiles of autistic behaviors shown by boys and girls with FXS. Method: Individuals with FXS, aged 5 to 25…
Descriptors: Genetic Disorders, Mental Retardation, Congenital Impairments, Autism