Somatosensory evoked field in response to visuotactile stimulation in 3-to 4-year-old children

Gerard B. Remijn, Mitsuru Kikuchi, Kiyomi Shitamichi, Sanae Ueno, Yuko Yoshimura, Kikuko Nagao, Tsunehisa Tsubokawa, Haruyuki Kojima, Haruhiro Higashida, Yoshio Minabe

研究成果: ジャーナルへの寄稿記事

9 引用 (Scopus)

抄録

A child-customized magnetoencephalography system was used to investigate somatosensory evoked field (SEF) in 3-to 4-year-old children. Three stimulus conditions were used in which the children received tactile-only stimulation to their left index finger or visuotactile stimulation. In the two visuotactile conditions, the children received tactile stimulation to their finger while they watched a video of tactile stimulation applied either to someone else's finger (the finger-touch condition) or to someone else's toe (the toe-touch condition). The latencies and source strengths of equivalent current dipoles (ECDs) over contralateral (right) somatosensory cortex were analyzed. In the preschoolers who provided valid ECDs, the stimulus conditions induced an early-latency ECD occurring between 60 and 68 ms mainly with an anterior direction. We further identified a middle-latency ECD between 97 and 104 ms, which predominantly had a posterior direction. Finally, initial evidence was found for a late-latency ECD at about 139-151 ms again more often with an anterior direction. Differences were found in the source strengths of the middle-latency ECDs among the stimulus conditions. For the paired comparisons that could be formed, ECD source strength was more pronounced in the finger-touch condition than in the tactile-only and the toe-touch conditions. Although more research is necessary to expand the data set, this suggests that visual information modulated preschool SEF. The finding that ECD source strength was higher when seen and felt touch occurred to the same body part, as compared to a different body part, might further indicate that connectivity between visual and tactile information is indexed in preschool somatosensory cortical activity, already in a somatotopic way.

元の言語英語
記事番号170
ジャーナルFrontiers in Human Neuroscience
8
発行部数MAR
DOI
出版物ステータス出版済み - 3 24 2014

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Touch
Fingers
Toes
Human Body
Magnetoencephalography
Matched-Pair Analysis
Somatosensory Cortex

All Science Journal Classification (ASJC) codes

  • Neuropsychology and Physiological Psychology
  • Neurology
  • Psychiatry and Mental health
  • Biological Psychiatry
  • Behavioral Neuroscience

これを引用

Somatosensory evoked field in response to visuotactile stimulation in 3-to 4-year-old children. / Remijn, Gerard B.; Kikuchi, Mitsuru; Shitamichi, Kiyomi; Ueno, Sanae; Yoshimura, Yuko; Nagao, Kikuko; Tsubokawa, Tsunehisa; Kojima, Haruyuki; Higashida, Haruhiro; Minabe, Yoshio.

:: Frontiers in Human Neuroscience, 巻 8, 番号 MAR, 170, 24.03.2014.

研究成果: ジャーナルへの寄稿記事

Remijn, GB, Kikuchi, M, Shitamichi, K, Ueno, S, Yoshimura, Y, Nagao, K, Tsubokawa, T, Kojima, H, Higashida, H & Minabe, Y 2014, 'Somatosensory evoked field in response to visuotactile stimulation in 3-to 4-year-old children', Frontiers in Human Neuroscience, 巻. 8, 番号 MAR, 170. https://doi.org/10.3389/fnhum.2014.00170
Remijn, Gerard B. ; Kikuchi, Mitsuru ; Shitamichi, Kiyomi ; Ueno, Sanae ; Yoshimura, Yuko ; Nagao, Kikuko ; Tsubokawa, Tsunehisa ; Kojima, Haruyuki ; Higashida, Haruhiro ; Minabe, Yoshio. / Somatosensory evoked field in response to visuotactile stimulation in 3-to 4-year-old children. :: Frontiers in Human Neuroscience. 2014 ; 巻 8, 番号 MAR.
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