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Cygan, Hanna B.; Marchewka, Artur; Kotlewska, Ilona; Nowicka, Anna – Journal of Autism and Developmental Disorders, 2019
Previous studies indicate that autobiographical memory is impaired in individuals with autism spectrum disorder (ASD). Successful recollection of information referring to one's own person requires the intact ability to re-activate representation of the past self. In the current fMRI study we investigated process of conscious reflection on the…
Descriptors: Autism, Pervasive Developmental Disorders, Autobiographies, Memory
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Morimoto, Chie; Hida, Eisuke; Shima, Keisuke; Okamura, Hitoshi – Journal of Autism and Developmental Disorders, 2018
To identify a specific sensorimotor impairment feature of autism spectrum disorder (ASD), we focused on temporal processing with millisecond accuracy. A synchronized finger-tapping task was used to characterize temporal processing in individuals with ASD as compared to typically developing (TD) individuals. We found that individuals with ASD…
Descriptors: Autism, Pervasive Developmental Disorders, Perceptual Impairments, Psychomotor Skills
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Deschrijver, Eliane; Wiersema, Jan R.; Brass, Marcel – Journal of Autism and Developmental Disorders, 2017
The role of imitation in autism spectrum disorder (ASD) is controversial. Researchers have argued that deficient control of self- and other-related motor representations (self-other distinction) might explain imitation difficulties. In a recent EEG study, we showed that control of imitation relies on high-level as well as on low-level cognitive…
Descriptors: Autism, Pervasive Developmental Disorders, Imitation, Cognitive Processes
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Coderre, Emily L.; Chernenok, Mariya; Gordon, Barry; Ledoux, Kerry – Journal of Autism and Developmental Disorders, 2017
Individuals with autism spectrum disorders (ASD) experience difficulties with language, particularly higher-level functions like semantic integration. Yet some studies indicate that semantic processing of non-linguistic stimuli is not impaired, suggesting a language-specific deficit in semantic processing. Using a semantic priming task, we…
Descriptors: Autism, Pervasive Developmental Disorders, Language Impairments, Semantics
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Corbett, Blythe A.; Key, Alexandra P.; Qualls, Lydia; Fecteau, Stephanie; Newsom, Cassandra; Coke, Catherine; Yoder, Paul – Journal of Autism and Developmental Disorders, 2016
The efficacy of a peer-mediated, theatre-based intervention on social competence in participants with autism spectrum disorder (ASD) was tested. Thirty 8-to-14 year-olds with ASD were randomly assigned to the treatment (n = 17) or a wait-list control (n = 13) group. Immediately after treatment, group effects were seen on social ability,…
Descriptors: Autism, Pervasive Developmental Disorders, Children, Interpersonal Competence
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Vogan, V. M.; Morgan, B. R.; Leung, R. C.; Anagnostou, E.; Doyle-Thomas, K.; Taylor, M. J. – Journal of Autism and Developmental Disorders, 2016
Diffusion tensor imaging studies show white matter (WM) abnormalities in children with autism spectrum disorder (ASD). However, investigations are often limited by small samples, particularly problematic given the heterogeneity of ASD. We explored WM using DTI in a large sample of 130 children and adolescents (7-15 years) with and without ASD,…
Descriptors: Autism, Pervasive Developmental Disorders, Brain, Children
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Clawson, Ann; Clayson, Peter E.; South, Mikle; Bigler, Erin D.; Larson, Michael J. – Journal of Autism and Developmental Disorders, 2015
Little is known about the functional impact of putative deficits in white-matter connectivity across the corpus callosum (CC) in individuals with autism spectrum disorders (ASDs). We utilized the temporal sensitivity of event-related potentials to examine the interhemispheric transfer time (IHTT) of basic visual information across the CC in youth…
Descriptors: Autism, Pervasive Developmental Disorders, Children, Adolescents
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Brock, Jon; Bzishvili, Samantha; Reid, Melanie; Hautus, Michael; Johnson, Blake W. – Journal of Autism and Developmental Disorders, 2013
Atypical auditory perception is a widely recognised but poorly understood feature of autism. In the current study, we used magnetoencephalography to measure the brain responses of 10 autistic children as they listened passively to dichotic pitch stimuli, in which an illusory tone is generated by sub-millisecond inter-aural timing differences in…
Descriptors: Autism, Children, Auditory Perception, Responses
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Massand, Esha; Bowler, Dermot M.; Mottron, Laurent; Hosein, Anthony; Jemel, Boutheina – Journal of Autism and Developmental Disorders, 2013
Recognition memory in autism spectrum disorder (ASD) tends to be undiminished compared to that of typically developing (TD) individuals (Bowler et al. 2007), but it is still unknown whether memory in ASD relies on qualitatively similar or different neurophysiology. We sought to explore the neural activity underlying recognition by employing the…
Descriptors: Autism, Memory, Cognitive Processes, Brain
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Bayliss, Andrew P.; Kritikos, Ada – Journal of Autism and Developmental Disorders, 2011
A fundamental task of the cognitive system is to prioritize behaviourally relevant sensory inputs for processing at the expense of irrelevant inputs. In a study of neurotypical participants (n = 179), we utilized a brief flanker interference task while varying the perceptual load of the visual display. Typically, increasing perceptual load (i.e.,…
Descriptors: Cognitive Style, Autism, Pervasive Developmental Disorders, Scores
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Kohls, Gregor; Peltzer, Judith; Schulte-Ruther, Martin; Kamp-Becker, Inge; Remschmidt, Helmut; Herpertz-Dahlmann, Beate; Konrad, Kerstin – Journal of Autism and Developmental Disorders, 2011
Social motivation deficit theories suggest that children with autism do not properly anticipate and appreciate the pleasure of social stimuli. In this study, we investigated event-related brain potentials evoked by cues that triggered social versus monetary reward anticipation in children with autism. Children with autism showed attenuated P3…
Descriptors: Cues, Autism, Motivation, Brain
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Gomot, Marie; Blanc, Romuald; Clery, Helen; Roux, Sylvie; Barthelemy, Catherine; Bruneau, Nicole – Journal of Autism and Developmental Disorders, 2011
Although resistance to change is a main feature of autism, the brain processes underlying this aspect of the disorder remain poorly understood. The aims of this study were to examine neural basis of auditory change-detection in children with autism spectrum disorders (ASD; N = 27) through electrophysiological patterns (MMN, P3a) and to test…
Descriptors: Autism, Physiology, Resistance to Change, Brain
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Malisza, Krisztina L.; Clancy, Christine; Shiloff, Deborah; Foreman, Derek; Holden, Jeanette; Jones, Cheryl; Paulson, K.; Summers, Randy; Yu, C. T.; Chudley, Albert E. – Journal of Autism and Developmental Disorders, 2011
Functional magnetic resonance imaging (fMRI) during performance of a hidden figures task (HFT) was used to compare differences in brain function in children diagnosed with autism disorder (AD) compared to children with attention-deficit/hyperactivity disorder (ADHD) and typical controls (TC). Overall greater functional MRI activity was observed in…
Descriptors: Control Groups, Autism, Brain, Diagnostic Tests
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Brosnan, Mark; Daggar, Rajiv; Collomosse, John – Journal of Autism and Developmental Disorders, 2010
Within the Extreme Male Brain theory, Autism Spectrum Disorder is characterised as a deficit in empathising in conjunction with preserved or enhanced systemising. A male advantage in systemising is argued to underpin the traditional male advantage in mental rotation tasks. Mental rotation tasks can be separated into rotational and non-rotational…
Descriptors: Autism, Brain, Empathy, Gender Differences
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Hodge, Steven M.; Makris, Nikos; Kennedy, David N.; Caviness, Verne S., Jr.; Howard, James; McGrath, Lauren; Steele, Shelly; Frazier, Jean A.; Tager-Flusberg, Helen; Harris, Gordon J. – Journal of Autism and Developmental Disorders, 2010
We performed cerebellum segmentation and parcellation on magnetic resonance images from right-handed boys, aged 6-13 years, including 22 boys with autism [16 with language impairment (ALI)], 9 boys with Specific Language Impairment (SLI), and 11 normal controls. Language-impaired groups had reversed asymmetry relative to unimpaired groups in…
Descriptors: Autism, Language Impairments, Performance Tests, Short Term Memory
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