Tiffany Woynaroski
Last active: 3/18/2020

Evidence for diminished multisensory integration in autism spectrum disorders.

Stevenson RA, Siemann JK, Woynaroski TG, Schneider BC, Eberly HE, Camarata SM, Wallace MT
J Autism Dev Disord. 2014 44 (12): 3161-7

PMID: 25022248 · PMCID: PMC4224676 · DOI:10.1007/s10803-014-2179-6

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. Thirty-one children with ASD and 31 age and IQ matched TD children (average age = 12 years) were presented with simple visual (i.e., flash) and auditory (i.e., beep) stimuli of varying number. In illusory conditions, a single flash was presented with 2-4 beeps. In TD children, these conditions generally result in the perception of multiple flashes, implying a perceptual fusion across vision and audition. In the present study, children with ASD were significantly less likely to perceive the illusion relative to TD controls, suggesting that multisensory integration and cross-modal binding may be weaker in some children with ASD. These results are discussed in the context of previous findings for multisensory integration in ASD and future directions for research.

MeSH Terms (11)

Acoustic Stimulation Adolescent Auditory Perception Child Child Development Disorders, Pervasive Cohort Studies Female Humans Male Photic Stimulation Visual Perception

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