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2016 Fiscal Year Final Research Report

Cortical hemodynamic activity during standing position recorded by a near-infrared spectroscopy

Research Project

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Project/Area Number 26462553
Research Category

Grant-in-Aid for Scientific Research (C)

Allocation TypeMulti-year Fund
Section一般
Research Field Otorhinolaryngology
Research InstitutionUniversity of Toyama

Principal Investigator

Shojaku Hideo  富山大学, 大学院医学薬学研究部(医学), 教授 (60187507)

Co-Investigator(Renkei-kenkyūsha) NISHIJO Hisao  富山大学, 大学院医学薬学研究部(医学), 教授 (00189284)
Project Period (FY) 2014-04-01 – 2017-03-31
Keywords近赤外線分光法 / 大脳皮質血流 / 感覚混乱 / 前庭覚 / めまい
Outline of Final Research Achievements

Cortical hemodynamic activity was recorded using near-infrared spectroscopy (NIRS) while subjects underwent the sensory organization test (SOT) protocol. Eleven healthy men underwent the SOT during NIRS recording. The statistical analyses indicated significant activation in the right frontal operculum (f-Op), right parietal operculum (p-Op), and right superior temporal gyrus (STG), right posterior parietal cortex (PPC), right dorsal and ventral premotor cortex (PMC), and the supplementary motor area (SMA) under various conditions. The activation patterns in response to specific combinations of SOT conditions suggested that (1) f-Op, p-Op, and STG are essential for sensory integration when standing balance is perturbed; (2) the SMA is involved in the execution of volitional action and establishment of new motor programs to maintain postural balance.

Free Research Field

耳鼻咽喉科

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Published: 2018-03-22  

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