Visual influences on speech perception in children with autism

Iarocci, Grace; Rombough, Adrienne; Yager, Jodi; Weeks, Daniel J.; Chua, Romeo

doi:10.1177/1362361309353615

Cited by 69 publications

(71 citation statements)

References 31 publications

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“…These findings indicate that individuals with ASD do not integrate visual and auditory information in the same manner as TD children. Others however have suggested that these differences are due to poorer lip reading abilities in ASD (Iarocci et al 2010;Williams et al 2004), as well as the confounding effects of using social (e.g. faces) and/or linguistic stimuli, which are inherently more difficult for individuals with ASD to process.…”

Section: Discussionmentioning

confidence: 95%

The Effect of Visual Perceptual Load on Auditory Awareness in Autism Spectrum Disorder

Tillmann

Olguin

Tuomainen

et al. 2015

J Autism Dev Disord

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Recent work on visual selective attention has shown that individuals with Autism Spectrum Disorder (ASD) demonstrate an increased perceptual capacity. The current study examined whether increasing visual perceptual load also has less of an effect on auditory awareness in children with ASD. Participants performed either a high- or low load version of a line discrimination task. On a critical trial, an unexpected, task-irrelevant auditory stimulus was played concurrently with the visual stimulus. In contrast to typically developing (TD) children, children with ASD demonstrated similar detection rates across perceptual load conditions, and reported greater awareness than TD children in the high perceptual load condition. These findings suggest an increased perceptual capacity in children with ASD that operates across sensory modalities.

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Section: Discussionmentioning

confidence: 95%

The Effect of Visual Perceptual Load on Auditory Awareness in Autism Spectrum Disorder

Tillmann

Olguin

Tuomainen

et al. 2015

J Autism Dev Disord

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“…When presented with speech sounds that do not match lip movements, participants with ASC report that they perceive the sound, rather than the fused multisensory percept. This could indicate general difficulties with multisensory processing (Smith and Bennetto 2007), but could also be driven by problems with lip reading (Iarocci et al 2010;Taylor et al 2010;Williams et al 2004). Importantly, the social and semantic stimuli used in this paradigm increases the difficulty of the task for individuals with autism, independently of the multisensory demands.…”

Section: Introductionmentioning

confidence: 96%

Investigating Visual–Tactile Interactions over Time and Space in Adults with Autism

Poole

Gowen

Warren

et al. 2015

J Autism Dev Disord

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It has been suggested that the sensory symptoms which affect many people with autism spectrum conditions (ASC) may be related to alterations in multisensory processing. Typically, the likelihood of interactions between the senses increases when information is temporally and spatially coincident. We explored visual-tactile interactions in adults with ASC for the first time in two experiments using low-level stimuli. Both participants with ASC and matched neurotypical controls only produced crossmodal interactions to near simultaneous stimuli, suggesting that temporal modulation is unaffected in the adult population. We also provide preliminary evidence that visual-tactile interactions may occur over greater spatial distances in participants with ASC, which merits further exploration.

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“…One of the best illustrations of this complexity is in work that has explored the susceptibility of individuals with autism to the McGurk effect – the perceptual illusion that indexes the synthesis of visual and auditory speech signals [249]. Whereas some groups have found weaknesses in this perceptual fusion [250-256], others have found normal McGurk percepts [257, 258] or changes in McGurk reports that are accountable by changes in responsiveness to the visual or auditory speech tokens [259]. The likely explanations for the substantial disparities across studies include differences in the composition of the ASD cohort (with age and severity of symptoms being significant factors) and differences in how the specific tasks are structured.…”

Section: Introductionmentioning

confidence: 99%

The construct of the multisensory temporal binding window and its dysregulation in developmental disabilities

2014

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Behavior, perception and cognition are strongly shaped by the synthesis of information across the different sensory modalities. Such multisensory integration often results in performance and perceptual benefits that reflect the additional information conferred by having cues from multiple senses providing redundant or complementary information. The spatial and temporal relationships of these cues provide powerful statistical information about how these cues should be integrated or “bound” in order to create a unified perceptual representation. Much recent work has examined the temporal factors that are integral in multisensory processing, with many focused on the construct of the multisensory temporal binding window – the epoch of time within which stimuli from different modalities is likely to be integrated and perceptually bound. Emerging evidence suggests that this temporal window is altered in a series of neurodevelopmental disorders, including autism, dyslexia and schizophrenia. In addition to their role in sensory processing, these deficits in multisensory temporal function may play an important role in the perceptual and cognitive weaknesses that characterize these clinical disorders. Within this context, focus on improving the acuity of multisensory temporal function may have important implications for the amelioration of the “higher-order” deficits that serve as the defining features of these disorders.

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Visual influences on speech perception in children with autism

Cited by 69 publications

References 31 publications

The Effect of Visual Perceptual Load on Auditory Awareness in Autism Spectrum Disorder

The Effect of Visual Perceptual Load on Auditory Awareness in Autism Spectrum Disorder

Investigating Visual–Tactile Interactions over Time and Space in Adults with Autism

The construct of the multisensory temporal binding window and its dysregulation in developmental disabilities

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