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Irwin, Julia; Avery, Trey; Kleinman, Daniel; Landi, Nicole – Journal of Autism and Developmental Disorders, 2022
Children with autism spectrum disorders have been reported to be less influenced by a speaker's face during speech perception than those with typically development. To more closely examine these reported differences, a novel visual phonemic restoration paradigm was used to assess neural signatures (event-related potentials [ERPs]) of audiovisual…
Descriptors: Autism, Pervasive Developmental Disorders, Diagnostic Tests, Brain Hemisphere Functions
Yildiz, Gizem Y.; Vilsten, Julian S.; Millard, Amy Siobhan; Chouinard, Philippe A. – Journal of Autism and Developmental Disorders, 2021
We examined whether functional and structural variability in the primary visual area (V1) correlated with autism traits. Twenty-nine participants (16 males; M[subscript Age] = 26.4 years, SD[subscript Age] = 4.0 years) completed the autism-spectrum quotient (AQ) questionnaire prior to a magnetic resonance imaging session. The total AQ scores was…
Descriptors: Autism, Pervasive Developmental Disorders, Brain Hemisphere Functions, Visual Stimuli
Yu, Luodi; Huang, Dan; Wang, Suiping; Zhang, Yang – Journal of Autism and Developmental Disorders, 2023
Children with autism often show atypical brain lateralization for speech and language processing, however, it is unclear what linguistic component contributes to this phenomenon. Here we measured event-related potential (ERP) responses in 21 school-age autistic children and 25 age-matched neurotypical (NT) peers during listening to word-level…
Descriptors: Intonation, Suprasegmentals, Autism Spectrum Disorders, Lateral Dominance
O'Rourke, Emme; Coderre, Emily L. – Journal of Autism and Developmental Disorders, 2021
While many individuals with autism spectrum disorder (ASD) experience difficulties with language processing, non-linguistic semantic processing may be intact. We examined neural responses to an implicit semantic priming task by comparing N400 responses--an event-related potential related to semantic processing--in response to semantically related…
Descriptors: Semantics, Language Processing, Adults, Autism
Neely, Kristina A.; Mohanty, Suman; Schmitt, Lauren M.; Wang, Zheng; Sweeney, John A.; Mosconi, Matthew W. – Journal of Autism and Developmental Disorders, 2019
Sensorimotor abnormalities are common in individuals with autism spectrum disorder (ASD); however, the processes underlying these deficits remain unclear. This study examined force production with and without visual feedback to determine if individuals with ASD can utilize internal representations to guide sustained force. Individuals with ASD…
Descriptors: Autism, Pervasive Developmental Disorders, Feedback (Response), Visual Stimuli
Manfredi, Mirella; Cohn, Neil; Sanchez Mello, Pamella; Fernandez, Elizabeth; Boggio, Paulo Sergio – Journal of Autism and Developmental Disorders, 2020
We examined semantic processing in ASD children by presenting sentences with congruent or incongruent final words and visual narratives with congruent or incongruent final panels. An N400 effect to incongruent words appeared as compared to congruent ones, which was attenuated for the ASD children. We observed a negativity sustained to incongruous…
Descriptors: Semantics, Brain Hemisphere Functions, Autism, Pervasive Developmental Disorders
Kovarski, Klara; Mennella, Rocco; Wong, Simeon M.; Dunkley, Benjamin T.; Taylor, Margot J.; Batty, Magali – Journal of Autism and Developmental Disorders, 2019
Research on Autism Spectrum Disorder (ASD) has focused on processing of socially-relevant stimuli, such as faces. Nonetheless, before being 'social', faces are visual stimuli. The present magnetoencephalography study investigated the time course of brain activity during an implicit emotional task in visual emotion-related regions in 19 adults with…
Descriptors: Autism, Pervasive Developmental Disorders, Visual Stimuli, Diagnostic Tests
Bloy, Luke; Shwayder, Kobey; Blaskey, Lisa; Roberts, Timothy P. L.; Embick, David – Journal of Autism and Developmental Disorders, 2019
This study introduces an objective neurophysiological marker of language ability, the integral of event-related desynchronization in the 5-20 Hz band during 0.2-1 seconds post auditory stimulation with interleaved word/non-word tokens. This measure correlates with clinical assessment of language function in both ASD and neurotypical pediatric…
Descriptors: Autism, Pervasive Developmental Disorders, Language Skills, Auditory Stimuli
Goh, Kwang Leng; Morris, Susan; Parsons, Richard; Ring, Alexander; Tan, Tele – Journal of Autism and Developmental Disorders, 2018
Autism is associated with differences in sensory processing and motor coordination. Evidence from electroencephalography suggests individual perturbation evoked response (PER) components represent specific aspects of postural disturbance processing; P1 reflects the detection and N1 reflects the evaluation of postural instability. Despite the…
Descriptors: Adults, Physiology, Autism, Pervasive Developmental Disorders
Lortie, Melissa; Proulx-Bégin, Léa; Saint-Amour, Dave; Cousineau, Dominique; Théoret, Hugo; Lepage, Jean-François – Journal of Autism and Developmental Disorders, 2017
There is debate whether social impairments in autism spectrum disorder (ASD) are truly domain-specific, or if they reflect generalized deficits in lower-level cognitive processes. To solve this issue, we used auditory-evoked EEG responses to assess novelty detection (MMN component) and involuntary attentional orientation (P3 component) induced by…
Descriptors: Autism, Pervasive Developmental Disorders, Children, Brain Hemisphere Functions
Bowler, Dermot M.; Gaigg, Sebastian B.; Gardiner, John M. – Journal of Autism and Developmental Disorders, 2014
Diminished episodic memory and diminished use of semantic information to aid recall by individuals with autism spectrum disorder (ASD) are both thought to result from diminished relational binding of elements of complex stimuli. To test this hypothesis, we asked high-functioning adults with ASD and typical comparison participants to study grids in…
Descriptors: Adults, Autism, Pervasive Developmental Disorders, Memory
De Groot, Kristel; Van Strien, Jan W. – Journal of Autism and Developmental Disorders, 2017
Although not used as a diagnostic criterion, impaired emotion regulation is frequently observed in autism. The present study examined self-reported use of emotion regulation strategies in individuals scoring low or high on autistic traits. In addition, the late positive potential, which is sensitive to emotional arousal, was used to examine the…
Descriptors: Autism, Emotional Response, Diagnostic Tests, Metacognition
Kleinhans, Natalia M.; Richards, Todd; Greenson, Jessica; Dawson, Geraldine; Aylward, Elizabeth – Journal of Autism and Developmental Disorders, 2016
Abnormal fMRI habituation in autism spectrum disorders (ASDs) has been proposed as a critical component in social impairment. This study investigated habituation to fearful faces and houses in ASD and whether fMRI measures of brain activity discriminate between ASD and typically developing (TD) controls. Two identical fMRI runs presenting masked…
Descriptors: Autism, Pervasive Developmental Disorders, Antisocial Behavior, Human Body
Kovarski, K.; Thillay, A.; Houy-Durand, E.; Roux, S.; Bidet-Caulet, A.; Bonnet-Brilhault, F.; Batty, M. – Journal of Autism and Developmental Disorders, 2016
Autism spectrum disorder (ASD) is characterized by atypical visual perception both in the social and nonsocial domain. In order to measure a reliable visual response, visual evoked potentials were recorded during a passive pattern-reversal stimulation in adolescents and adults with and without ASD. While the present results show the same…
Descriptors: Adolescents, Visual Perception, Autism, Pervasive Developmental Disorders
Edwards, Laura A.; Wagner, Jennifer B.; Tager-Flusberg, Helen; Nelson, Charles A. – Journal of Autism and Developmental Disorders, 2017
In this study, we investigated neural precursors of language acquisition as potential endophenotypes of autism spectrum disorder (ASD) in 3-month-old infants at high and low familial ASD risk. Infants were imaged using functional near-infrared spectroscopy while they listened to auditory stimuli containing syllable repetitions; their neural…
Descriptors: Autism, Pervasive Developmental Disorders, Spectroscopy, Infants
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