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Garcia-Villamisar, D.; Moore, D.; Garcia-Martínez, M. – Journal of Autism and Developmental Disorders, 2019
Research on pain in autism spectrum disorder (ASD) is in its infancy, with almost nothing known about how individual differences may predicting pain response in ASD. In the present study, 45 adults (28 male, age 22-48 years) with diagnoses of autism and intellectual delay were observed during vaccination or dental cleaning and their pain…
Descriptors: Autism, Pervasive Developmental Disorders, Pain, Clinical Diagnosis
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Lundin, Andreas; Kosidou, Kyriaki; Dalman, Christina – Journal of Autism and Developmental Disorders, 2019
Background: The autism-spectrum quotient scale was developed to study autism as a spectrum. Few studies have examined the psychometric properties of the 10 item AQ (AQ-10). We examine the AQ-10 measurement ability and convergent validity in a population health survey (n = 44,722). Methods: The item severity and item discrimination was assessed…
Descriptors: Autism, Adults, Pervasive Developmental Disorders, Measures (Individuals)
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Hohn, Vanessa D.; de Veld, Danielle M. J.; Mataw, Kawita J. S.; van Someren, Eus J. W.; Begeer, Sander – Journal of Autism and Developmental Disorders, 2019
Insomnia is a common source of distress in adults with autism spectrum disorder (ASD). Two characteristics of ASD could be relevant to insomnia complaints by hampering the entrainment of a circadian sleep-wake rhythm. First, sensory hyper-reactivity could lead to bright light avoidance and thus affect photoperiodic input to the circadian system.…
Descriptors: Sleep, Adults, Autism, Pervasive Developmental Disorders
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Nah, Yong-Hwee; Brewer, Neil; Young, Robyn L.; Flower, Rebecca – Journal of Autism and Developmental Disorders, 2018
Although depression and anxiety are the most common comorbidities in individuals with Autism Spectrum Disorder (ASD), descriptive data for their prevalence among autistic adults are limited. This study provides descriptive data for a cohort of 155 autistic adults (mean age = 27.1 years, SD = 11.9) of average IQ on the short-form version of the…
Descriptors: Screening Tests, Rating Scales, Anxiety Disorders, Stranger Reactions
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Heinrich, Manuel; Böhm, Julia; Sappok, Tanja – Journal of Autism and Developmental Disorders, 2018
The study assessed the diagnostic validity of the diagnostic behavioral assessment for autism spectrum disorders-revised (DiBAS-R; 19-item screening scale based on ratings by caregivers) in a clinical sample of 381 adults with ID. Analysis revealed a sensitivity of 0.82 and a specificity of 0.67 in the overall sample (70.3% agreement). Sensitivity…
Descriptors: Clinical Diagnosis, Autism, Intellectual Disability, Diagnostic Tests
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Fründt, Odette; Schulz, Robert; Schöttle, Daniel; Cheng, Bastian; Thomalla, Götz; Braaß, Hanna; Ganos, Christos; David, Nicole; Peiker, Ina; Engel, Andreas K.; Bäumer, Tobias; Münchau, Alexander – Journal of Autism and Developmental Disorders, 2018
Mirror neuron system (MNS) dysfunctions might underlie deficits in autism spectrum disorders (ASD). Diffusion tensor imaging based probabilistic tractography was conducted in 15 adult ASD patients and 13 matched, healthy controls. Fractional anisotropy (FA) was quantified to assess group differences in tract-related white matter microstructure of…
Descriptors: Adults, Autism, Pervasive Developmental Disorders, Brain Hemisphere Functions
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Martínez-González, A. E.; Piqueras, J. A. – Journal of Autism and Developmental Disorders, 2018
Restricted and repetitive behavior (RRB) is one of the two key diagnostic features of autism spectrum disorder (ASD). DSM-5 highlights the importance of severity-based diagnostic modifiers assigned on the basis of intensity of needed supports. Therefore, there is a need for available measures that assess the severity of RRB. The repetitive…
Descriptors: Pervasive Developmental Disorders, Autism, Clinical Diagnosis, Psychometrics
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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
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Lane, Chloe; Milne, Elizabeth; Freeth, Megan – Journal of Autism and Developmental Disorders, 2017
Sotos syndrome is a congenital overgrowth disorder with an incidence of approximately 1 in 14,000. This study investigated behavioural characteristics of ASD within a large cohort of individuals with Sotos syndrome (n = 78). As measured by the Social Responsiveness Scale, second edition (SRS-2), 65 participants (83.33%) met clinical cut-off…
Descriptors: Autism, Pervasive Developmental Disorders, Incidence, Symptoms (Individual Disorders)
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Moss, Philippa; Mandy, William; Howlin, Patricia – Journal of Autism and Developmental Disorders, 2017
The WHO Quality of Life-Brief questionnaire was used to assess quality of life (QoL) among 52 adults with autism (mean age 49 years) followed-up since childhood. Overall, assessments of QOL were more positive than measures of objective social outcome (jobs, independence, relationships etc.) but correlations between caregiver and self-reports were…
Descriptors: Quality of Life, Autism, Pervasive Developmental Disorders, Questionnaires
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Reed, Phil – Journal of Autism and Developmental Disorders, 2017
The relationships of autism quotient (AQ), systematizing (SQ), and empathizing (EQ), with over-selectivity were explored to assess whether over-selectivity is implicated in complex social skills, which has been assumed, but not experimentally examined. Eighty participants (aged 18-60) were trained on a simultaneous discrimination task (AB+CD-),…
Descriptors: Autism, Pervasive Developmental Disorders, Training, Late Adolescents
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Morrier, Michael J.; Ousley, Opal Y.; Caceres-Gamundi, Gabriella A.; Segall, Matthew J.; Cubells, Joseph F.; Young, Larry J.; Andari, Elissar – Journal of Autism and Developmental Disorders, 2017
The ADOS-2 Modules 1-3 now include a standardized calibrated severity score (CSS) from 1 to 10 based on the overall total raw score. Subsequent research published CSS for Module 4 (Hus, Lord, "Journal of Autism and Developmental Disorders" 44(8):1996-2012, 2014); however more research is needed to examine the psychometric properties of…
Descriptors: Diagnostic Tests, Autism, Pervasive Developmental Disorders, Observation
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Smith, Leann E.; Hong, Jinkuk; Greenberg, Jan S.; Mailick, Marsha R. – Journal of Autism and Developmental Disorders, 2016
The present study examined trajectories of adaptive behavior, behavior problems, psychological symptoms, and autism symptoms in adolescents and adults with fragile X syndrome (n = 147) over a three-year period. Adaptive behavior significantly increased over time, particularly for adolescents, and the severity of behavior problems decreased over…
Descriptors: Family Environment, Behavior Change, Family Role, Adolescents
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Mayer, Jennifer L.; Hannent, Ian; Heaton, Pamela F. – Journal of Autism and Developmental Disorders, 2016
Whilst enhanced perception has been widely reported in individuals with Autism Spectrum Disorders (ASDs), relatively little is known about the developmental trajectory and impact of atypical auditory processing on speech perception in intellectually high-functioning adults with ASD. This paper presents data on perception of complex tones and…
Descriptors: Correlation, Autism, Pervasive Developmental Disorders, Auditory Perception
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James, Richard J.; Dubey, Indu; Smith, Danielle; Ropar, Danielle; Tunney, Richard J. – Journal of Autism and Developmental Disorders, 2016
Autistic traits are widely thought to operate along a continuum. A taxometric analysis of Adult Autism Spectrum Quotient data was conducted to test this assumption, finding little support but identifying a high severity taxon. To understand this further, latent class and latent profile models were estimated that indicated the presence of six…
Descriptors: Autism, Pervasive Developmental Disorders, Symptoms (Individual Disorders), Data Interpretation
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