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Tillmann, Julian; Swettenham, John – Journal of Autism and Developmental Disorders, 2019
To test a central assumption of the increased perceptual capacity account in individuals with Autism Spectrum Disorder (ASD), the effects of perceptual load and target-stimulus degradation on auditory detection sensitivity were contrasted. Fourteen adolescents with ASD and 16 neurotypical controls performed a visual letter search task under three…
Descriptors: Task Analysis, Difficulty Level, Auditory Perception, Autism
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Booth, Rhonda D. L.; Happé, Francesca G. E. – Journal of Autism and Developmental Disorders, 2018
Frith's original notion of 'weak central coherence' suggested that increased local processing in autism spectrum disorder (ASD) resulted from reduced global processing. More recent accounts have emphasised superior local perception and suggested intact global integration. However, tasks often place local and global processing in direct trade-off,…
Descriptors: Autism, Pervasive Developmental Disorders, Cognitive Processes, Intelligence Quotient
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DiCriscio, Antoinette Sabatino; Miller, Stephanie J.; Hanna, Eleanor K.; Kovac, Megan; Turner-Brown, Lauren; Sasson, Noah J.; Sapyta, Jeffrey; Troiani, Vanessa; Dichter, Gabriel S. – Journal of Autism and Developmental Disorders, 2016
Prosaccade and antisaccade errors in the context of social and nonsocial stimuli were investigated in youth with autism spectrum disorder (ASD; n = 19) a matched control sample (n = 19), and a small sample of youth with obsessive compulsive disorder (n = 9). Groups did not differ in error rates in the prosaccade condition for any stimulus…
Descriptors: Pervasive Developmental Disorders, Attention Control, Visual Perception, Visual Measures
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Miller, Louisa; McGonigle-Chalmers, Maggie – Journal of Autism and Developmental Disorders, 2014
Perceptual processing in autism is associated with both "strengths" and "weaknesses" but within a literature that varies widely in terms of the assessments used. We report data from 12 children with autism spectrum disorders (ASD) and 12 age and IQ matched neurotypical controls tested on a set of tasks using the same stimuli…
Descriptors: Autism, Pervasive Developmental Disorders, Perceptual Development, Visual Perception
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Stevenson, Ryan A.; Siemann, Justin K.; Woynaroski, Tiffany G.; Schneider, Brittany C.; Eberly, Haley E.; Camarata, Stephen M.; Wallace, Mark T. – Journal of Autism and Developmental Disorders, 2014
Individuals with autism spectrum disorders (ASD) exhibit alterations in sensory processing, including changes in the integration of information across the different sensory modalities. In the current study, we used the sound-induced flash illusion to assess multisensory integration in children with ASD and typically-developing (TD) controls.…
Descriptors: Autism, Pervasive Developmental Disorders, Sensory Integration, Perceptual Impairments
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Falter, Christine M.; Braeutigam, Sven; Nathan, Roger; Carrington, Sarah; Bailey, Anthony J. – Journal of Autism and Developmental Disorders, 2013
We compared judgements of the simultaneity or asynchrony of visual stimuli in individuals with autism spectrum disorders (ASD) and typically-developing controls using Magnetoencephalography (MEG). Two vertical bars were presented simultaneously or non-simultaneously with two different stimulus onset delays. Participants with ASD distinguished…
Descriptors: Pervasive Developmental Disorders, Autism, Visual Stimuli, Experimental Groups
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Evers, Kris; de-Wit, Lee; Van der Hallen, Ruth; Haesen, Birgitt; Steyaert, Jean; Noens, Ilse; Wagemans, Johan – Journal of Autism and Developmental Disorders, 2014
This study was inspired by the more locally oriented processing style in autism spectrum disorders (ASD). A modified multiple object tracking (MOT) task was administered to a group of children with and without ASD. Participants not only had to distinguish moving targets from distracters, but they also had to track targets when they were visually…
Descriptors: Cognitive Processes, Autism, Pervasive Developmental Disorders, Eye Movements
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Mostert-Kerckhoffs, Mandy A.; Staal, Wouter G.; Houben, Renske H.; de Jonge, Maretha V. – Journal of Autism and Developmental Disorders, 2015
Cognitive control dysfunctions, like inhibitory and attentional flexibility deficits are assumed to underlie repetitive behavior in individuals with autism spectrum disorders (ASD). In the present study, prepotent response inhibition and attentional flexibility were examined in 64 high-functioning individuals with ASD and 53 control participants.…
Descriptors: Inhibition, Attention, Cognitive Ability, Neurological Impairments
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Waugh, Cynthia; Peskin, Joan – Journal of Autism and Developmental Disorders, 2015
The present study examines the efficacy of a social skills and Theory of Mind (S.S.ToM) intervention for children with high-functioning ASD. Children were taught to identify and consider their peer's mental states, e.g., knowledge, emotions, desires, beliefs, intentions, likes and dislikes, while learning friendship-making skills and strategies,…
Descriptors: Study Skills, Theory of Mind, Intervention, Autism
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Nyström, Pär; Bölte, Sven; Falck-Ytter, Terje; Achermann, Sheila; Andersson Konke, Linn; Brocki, Karin; Cauvet, Elodie; Gredebäck, Gustaf; Lundin Kleberg, Johan; Nilsson Jobs, Elisabeth; Thorup, Emilia; Zander, Eric – Journal of Autism and Developmental Disorders, 2017
Atypical gaze processing has been reported in children with autism spectrum disorders (ASD). Here we explored how infants at risk for ASD respond behaviorally to others' direct gaze. We assessed 10-month-olds with a sibling with ASD (high risk group; n = 61) and a control group (n = 18) during interaction with an adult. Eye-tracking revealed less…
Descriptors: Eye Movements, Infants, Siblings, Autism
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Bekele, Esubalew; Crittendon, Julie; Zheng, Zhi; Swanson, Amy; Weitlauf, Amy; Warren, Zachary; Sarkar, Nilanjan – Journal of Autism and Developmental Disorders, 2014
Teenagers with autism spectrum disorder (ASD) and age-matched controls participated in a dynamic facial affect recognition task within a virtual reality (VR) environment. Participants identified the emotion of a facial expression displayed at varied levels of intensity by a computer generated avatar. The system assessed performance (i.e.,…
Descriptors: Adolescents, Autism, Pervasive Developmental Disorders, Recognition (Psychology)
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Hudson, Matthew; Burnett, Hollie G.; Jellema, Tjeerd – Journal of Autism and Developmental Disorders, 2012
We investigated whether individuals with a mild form of autism spectrum disorder (ASD) are influenced by an actor's gaze direction when anticipating how an observed action will continue in the immediate future. Participants observed a head rotate towards them, while the gaze direction was either leading, or lagging behind, rotation. They also…
Descriptors: Control Groups, Autism, Intention, Mild Disabilities
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Paton, Bryan; Hohwy, Jakob; Enticott, Peter G. – Journal of Autism and Developmental Disorders, 2012
Autism spectrum disorder (ASD) is characterised by differences in unimodal and multimodal sensory and proprioceptive processing, with complex biases towards local over global processing. Many of these elements are implicated in versions of the rubber hand illusion (RHI), which were therefore studied in high-functioning individuals with ASD and a…
Descriptors: Control Groups, Autism, Pervasive Developmental Disorders, Perceptual Development
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Grossman, Michael; Peskin, Joan; San Juan, Valerie – Journal of Autism and Developmental Disorders, 2013
A critical component of effective communication is the ability to consider the knowledge state of one's audience, yet individuals with autism spectrum disorders (ASD) have difficulty representing the mental states of others. In the present study, youth with high-functioning ASD were trained to consider their reader's knowledge states in…
Descriptors: Pervasive Developmental Disorders, Autism, Communication Skills, Interpersonal Communication
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Rahko, Jukka S.; Paakki, Jyri-Johan; Starck, Tuomo H.; Nikkinen, Juha; Pauls, David L.; Katsyri, Jari V.; Jansson-Verkasalo, Eira M.; Carter, Alice S.; Hurtig, Tuula M.; Mattila, Marja-Leena; Jussila, Katja K.; Remes, Jukka J.; Kuusikko-Gauffin, Sanna A.; Sams, Mikko E.; Bolte, Sven; Ebeling, Hanna E.; Moilanen, Irma K.; Tervonen, Osmo; Kiviniemi, Vesa – Journal of Autism and Developmental Disorders, 2012
FMRI was performed with the dynamic facial expressions fear and happiness. This was done to detect differences in valence processing between 25 subjects with autism spectrum disorders (ASDs) and 27 typically developing controls. Valence scaling was abnormal in ASDs. Positive valence induces lower deactivation and abnormally strong activity in ASD…
Descriptors: Autism, Scaling, Diagnostic Tests, Pervasive Developmental Disorders
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