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Mean value of oxy-Hb before (T1=0-60sec), during (T2=60-120sec, T3=120-180sec) and after T4=180-240sec, T5=240-300sec) GVS were calculated and compared between each time. [Results] In RC-GVS, oxy-Hb in right temporal area significantly increased during and after GVS in comparison with before GVS. In LC-GVS, oxy-Hb in both temporal areas significantly increased or had a tendency to increase during and after GVS in comparison with before GVS. [Discussion] In our result, brain regions that activated during GVS are consistent with previous studies. 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電極貼付条件がGVS施行中および施行後の脳血流量に与える影響 : fNIRS研究
http://hdl.handle.net/10748/00010293
http://hdl.handle.net/10748/000102936c25244e-89fe-41ff-be88-114a570d894a
名前 / ファイル | ライセンス | アクション |
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T01527-001.pdf (2.4 MB)
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Item type | 学位論文 / Thesis or Dissertation(1) | |||||
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公開日 | 2018-10-23 | |||||
タイトル | ||||||
タイトル | 電極貼付条件がGVS施行中および施行後の脳血流量に与える影響 : fNIRS研究 | |||||
言語 | ||||||
言語 | jpn | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | 直流前庭刺激法 | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | 近赤外線分光分析装置 | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | after effect | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | galvanic vestibular stimulation | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | functional Near-Infrared Spectroscopy | |||||
資源タイプ | ||||||
資源タイプ識別子 | http://purl.org/coar/resource_type/c_46ec | |||||
資源タイプ | thesis | |||||
著者 |
志田, 航平
× 志田, 航平 |
|||||
著者(ヨミ) |
シダ, コウヘイ
× シダ, コウヘイ |
|||||
抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | 本研究の目的は,異なる2つの電極貼付条件が直流前庭刺激(GVS)施行中および施行後の脳血流量に与える影響を近赤外線分光分析装置(fNIRS)によって明らかにすることである.対象は右利き若年健常者20名とし,右陰極/左陽極GVS条件(以下,RC-GVS条件),右陰極/左陽極sham条件(以下,RC-sham条件),右陽極/左陰極GVS条件(以下,LC-GVS条件),右陽極/左陰極sham条件(LG-sham条件)に参加した.脳血流量の測定は安静1分,電気刺激2分,電気刺激後安静2分の計5分間実施した.RC-GVSでは右側頭葉領域のみGVS施行中および施行後に優位な脳血流量の増加が認められ,LC-GVSでは両側の側頭葉領域にてGVS施行中および施行後に優位な脳血流量の増加または増加の傾向みられた.RC-GVSおよびLC-GVS施行中に脳血流が増加していた脳部位は先行研究と一致しており,GVSによる脳活動を反映していると考えられる.GVS施行後にも脳血流量の増加が持続しており,after effectに関与していることが示唆された. | |||||
抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | [Introduction] Galvanic vestibular stimulation (GVS) is used to correct postural disorder and shown to make body tilt towards the anode. But GVS has after effect that make body tilt toward the cathode. So the effect after stimulation should be taken into account when using GVS as a therapeutic tool. The purpose of this study is to investigate the difference of polarity on cerebral blood flow by using functional Near-Infrared Spectroscopy (fNIRS) during and after GVS. [Methods] Participants were 20 right-handed young healthy adults (mean age of 22.3 ± 1.0 ) and they provided written informed consent. Subjects were divided into two group as follows: left anode/ right cathode (RC) group and right anode/ left cathode (LC) group. RC group participated in two conditions: RC-GVS condition and RC-sham condition, and LC group participated in two conditions: LC-GVS condition and LC-sham condition. We monitored cerebral oxyhemoglobin changes (oxy-Hb) in both right and left temporal-parietal area using 48-channel fNIRS before, during and after bipolar GVS (1.5mA, 2min) applied over the mastoid. Mean value of oxy-Hb before (T1=0-60sec), during (T2=60-120sec, T3=120-180sec) and after T4=180-240sec, T5=240-300sec) GVS were calculated and compared between each time. [Results] In RC-GVS, oxy-Hb in right temporal area significantly increased during and after GVS in comparison with before GVS. In LC-GVS, oxy-Hb in both temporal areas significantly increased or had a tendency to increase during and after GVS in comparison with before GVS. [Discussion] In our result, brain regions that activated during GVS are consistent with previous studies. These regions also were activated after GVS and it is possible that brain activation would be continue without GVS as an after effect. | |||||
内容記述 | ||||||
内容記述タイプ | Other | |||||
内容記述 | 首都大学東京, 2018-03-25, 修士(理学療法学) | |||||
書誌情報 | 発行日 2018-03-25 | |||||
著者版フラグ | ||||||
出版タイプ | AM | |||||
出版タイプResource | http://purl.org/coar/version/c_ab4af688f83e57aa | |||||
その他のタイトル | ||||||
その他のタイトル | The effect of difference of polarity on cerebral blood flow during and after galvanic vestibular stimulation : fNIRS study | |||||
学位名 | ||||||
学位名 | 修士(理学療法学) | |||||
学位授与機関 | ||||||
学位授与機関名 | 首都大学東京 | |||||
学位授与年月日 | ||||||
学位授与年月日 | 2018-03-25 |