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Kwakye LD, Foss-Feig JH, Cascio CJ, et al. Altered auditory and multisensory temporal processing in autism spectrum disorders. Front Integr Neurosci. 2011;4:129doi: 10.3389/fnint.2010.00129.
Kwakye, L. D., Foss-Feig, J. H., Cascio, C. J., Stone, W. L., & Wallace, M. T. (2011). Altered auditory and multisensory temporal processing in autism spectrum disorders. Frontiers in integrative neuroscience, 4129. https://doi.org/10.3389/fnint.2010.00129
Kwakye, Leslie D, et al. "Altered auditory and multisensory temporal processing in autism spectrum disorders." Frontiers in integrative neuroscience vol. 4 (2011): 129. doi: https://doi.org/10.3389/fnint.2010.00129
Kwakye LD, Foss-Feig JH, Cascio CJ, Stone WL, Wallace MT. Altered auditory and multisensory temporal processing in autism spectrum disorders. Front Integr Neurosci. 2011 Jan 05;4:129. doi: 10.3389/fnint.2010.00129. eCollection 2011. PMID: 21258617; PMCID: PMC3024004.
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Front Integr Neurosci. 2011 Jan 05;4:129. doi: 10.3389/fnint.2010.00129. eCollection 2011.

Altered auditory and multisensory temporal processing in autism spectrum disorders.

Frontiers in integrative neuroscience

Leslie D Kwakye, Jennifer H Foss-Feig, Carissa J Cascio, Wendy L Stone, Mark T Wallace

Affiliations

  1. Neuroscience Graduate Program, Vanderbilt University Nashville, TN, USA.

PMID: 21258617 PMCID: PMC3024004 DOI: 10.3389/fnint.2010.00129

Abstract

Autism spectrum disorders (ASD) are characterized by deficits in social reciprocity and communication, as well as by repetitive behaviors and restricted interests. Unusual responses to sensory input and disruptions in the processing of both unisensory and multisensory stimuli also have been reported frequently. However, the specific aspects of sensory processing that are disrupted in ASD have yet to be fully elucidated. Recent published work has shown that children with ASD can integrate low-level audiovisual stimuli, but do so over an extended range of time when compared with typically developing (TD) children. However, the possible contributions of altered unisensory temporal processes to the demonstrated changes in multisensory function are yet unknown. In the current study, unisensory temporal acuity was measured by determining individual thresholds on visual and auditory temporal order judgment (TOJ) tasks, and multisensory temporal function was assessed through a cross-modal version of the TOJ task. Whereas no differences in thresholds for the visual TOJ task were seen between children with ASD and TD, thresholds were higher in ASD on the auditory TOJ task, providing preliminary evidence for impairment in auditory temporal processing. On the multisensory TOJ task, children with ASD showed performance improvements over a wider range of temporal intervals than TD children, reinforcing prior work showing an extended temporal window of multisensory integration in ASD. These findings contribute to a better understanding of basic sensory processing differences, which may be critical for understanding more complex social and cognitive deficits in ASD, and ultimately may contribute to more effective diagnostic and interventional strategies.

Keywords: audiovisual; autism; cross-modal integration; multisensory; sensory processing; temporal binding

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