Cited by 50Autism Spectrum Disorder ResearchGenetics and Neurodevelopmental DisordersTactile and Sensory Interactions

Short-latency somatosensory evoked potentials in infantile autism: evidence of hyperactivity in the right primary somatosensory area

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Miyazaki, Masahito, Fujii, Emiko, Saijo, Takahiko, Mori, Kenji, Hashimoto, Toshiaki, Kagami, Shoji, Kuroda, Yasuhiro·2007·Developmental Medicine & Child Neurology

Abstract

Children with infantile autism sometimes show hyperesthesia or hypoesthesia to touch, pain, and/or temperature. To clarify the pathophysiology, we examined short-latency somatosensory evoked potentials (S-SEPs), elicited by median nerve stimulation, in 24 children with infantile autism (17 males, seven females; age range 2y 2mo-9y; mean age 4y 2mo [SD 1y 7mo]). We also evaluated relationships between S-SEP findings and clinical manifestations. Of the 24 children, 10 showed abnormal S-SEPs as follows: prolonged peak latency of N20 (n=2), extended interpeak latency of P13/14-N20 (n=7), appearance of a giant SEP (n=1), and a more than twofold right hemispheric peak-to-peak amplitude predominance of N20-P25 (n=5). In addition, a peak-to-peak amplitude of N20-P25 elicited by left median nerve stimuli was significantly higher than that obtained with right median nerve stimuli, which indicated right hemispheric hyperactivity relative to the left (p=0.008). Infantile autism is frequently associated with somatosensory abnormalities and right hemispheric hyperactivity relative to the left, especially in the primary somatosensory area. This is believed to contribute to the pathophysiology of infantile autism, especially the idiopathic form.

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  1. Bauman Ml, Kemper TL. (1994) The Neurobiology of Autism. Baltimore, MD: Johns Hopkins University Press.
  2. Short-latency SEPs in Infantile Autism Masahito Miyazaki et al. 17 Autism-Europe invites you to share your knowledge with us 8th International Congress Autism-Europe Oslo, Norway August 31 -September 2 2007 Open up a 'A World of Possibilities' in the lives of people with ASD Authors advised of acceptance of abstracts: January 2007 Go to: www.autismcongressoslo.org 14698749, 2007, 1, Downloaded from https://onlinelibrary.wiley.com/doi/10.1017/S0012162207000059.x by Test, Wiley Online Library on [16/08/2023]. See the Terms and Conditions (https://onlinelibrary.wiley.com/terms-and-conditions) on Wiley Online Library for rules of use; OA articles are governed by the applicable Creative Commons License · DOI

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Authors
Miyazaki, M., Fujii, E., Saijo, T., Mori, K., Hashimoto, T., Kagami, S., & Kuroda, Y.
Affiliations
  • Tokushima University (JP)
  • Naruto University of Education (JP)
Corresponding author
Miyazaki, Masahito
Venue
Developmental Medicine & Child Neurology
Publisher
Wiley
Published
2006-12-21
Volume
49
Issue
1
Pages
13-17
ISSN
  • 0012-1622 (ISSN-L)
  • 1469-8749
OpenAlex
W2020382276
Cited by
50
References
18
Citations by year
2026: 3 · 2025: 2 · 2024: 3 · 2022: 3 · 2021: 4 · 2020: 4 · 2019: 1 · 2018: 2 · 2017: 2 · 2016: 3 · 2015: 8 · 2014: 3 · 2013: 4 · 2012: 1
FWCI
0.32
Type
journal article
Language
en
Open access
Locations
  • Developmental Medicine & Child Neurology (publishedVersion)
  • PubMed (publishedVersion)
Topics
  • Life Sciences › Neuroscience › Cognitive Neuroscience › Autism Spectrum Disorder Research
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Genetics › Genetics and Neurodevelopmental Disorders
  • Life Sciences › Neuroscience › Cognitive Neuroscience › Tactile and Sensory Interactions
Keywords
infantile autism, short-latency somatosensory evoked potentials, primary somatosensory cortex, median nerve stimulation, interpeak latency prolongation, giant somatosensory evoked potentials, somatosensory abnormalities, idiopathic autism, pathophysiology
MeSH terms
Autistic Disorder, Child, Child, Preschool, Electroencephalography, Evoked Potentials, Somatosensory, Female, Humans, Hyperkinesis, Functional Laterality, Magnetic Resonance Imaging, Male, Severity of Illness Index, Somatosensory Cortex

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