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2017 Fiscal Year Final Research Report

Research on sensory processing disorder in children with autism spectrum disorder

Research Project

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Project/Area Number 15K01414
Research Category

Grant-in-Aid for Scientific Research (C)

Allocation TypeMulti-year Fund
Section一般
Research Field Rehabilitation science/Welfare engineering
Research InstitutionKyoto University

Principal Investigator

Kato Toshihiro  京都大学, 医学研究科, 准教授 (80214386)

Co-Investigator(Kenkyū-buntansha) 松島 佳苗  京都大学, 医学研究科, 助教 (60711538)
Project Period (FY) 2015-04-01 – 2018-03-31
Keywords自閉スペクトラム症 / 感覚 / 自律神経 / 副交感神経
Outline of Final Research Achievements

We examined cardiac vagus nerve activity during sensory tasks involving self-produced and externally produced stimuli in children(ages 5-12 years) with autism (ASD) to investigate whether stimulus predictability affects their emotional state.We recorded electrocardiograms in 37 children with ASD and 37 typically developing(TD) children and quantified the high-frequency component of heart rate variability (HF-HRV).The recordings were performed during the resting state, self/others-tactile tasks,and self/random-auditory tasks. The ASD group had significantly lower HF-HRV than the TD group did under all recording conditions.The HF-HRV responses to self-produced and externally produced stimuli did not significantly differ for either sensory task in either group.The ASD group showed significantly higher HF-HRV during the others-tactile task than during the resting state,whereas the TD group showed significantly lower HF-HRV during the others-tactile task than during the resting state.

Free Research Field

作業療法

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Published: 2019-03-29  

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