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  1. 0 資料タイプ別
  2. 02 学位論文
  1. 250 大学院医歯学総合研究科(医)
  2. 60 博士学位論文
  3. 10 博士学位論文

Auditory T-Complex Reveals Reduced Neural Activities in the Right Auditory Cortex in Musicians With Absolute Pitch

http://hdl.handle.net/10191/00051817
http://hdl.handle.net/10191/00051817
cb424473-48fb-4058-975b-b73264f6f620
名前 / ファイル ライセンス アクション
r1nmk928.pdf 本文 (2.0 MB)
r1nmk928_a.pdf 要旨 (574.4 kB)
Item type 学位論文 / Thesis or Dissertation(1)
公開日 2020-08-31
タイトル
タイトル Auditory T-Complex Reveals Reduced Neural Activities in the Right Auditory Cortex in Musicians With Absolute Pitch
言語
言語 eng
キーワード
主題Scheme Other
主題 music training
キーワード
主題Scheme Other
主題 language
キーワード
主題Scheme Other
主題 auditory evoked cortical potentials
キーワード
主題Scheme Other
主題 brain maturation and development
キーワード
主題Scheme Other
主題 balanced non-cephalic electrode
資源タイプ
資源 http://purl.org/coar/resource_type/c_46ec
タイプ thesis
その他のタイトル
その他のタイトル 絶対音感保持者における右聴覚野の神経活動の減弱 : 聴覚誘発電位T-complexを用いた検討
著者 Matsuda, Masato

× Matsuda, Masato

WEKO 178037

Matsuda, Masato

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著者別名
識別子 178038
識別子Scheme WEKO
姓名 松田, 将門
抄録
内容記述タイプ Abstract
内容記述 Absolute pitch (AP) is the ability to identify the pitch names of arbitrary musical tones without being given a reference pitch. The acquisition of AP typically requires early musical training, the critical time window for which is similar to that for the acquisition of a first language. This study investigated the left–right asymmetry of the auditory cortical functions responsible for AP by focusing on the T-complex of auditory evoked potentials (AEPs), which shows morphological changes during the critical period for language acquisition. AEPs evoked by a pure-tone stimulus were recorded in high-AP musicians, low-AP musicians, and non-musicians (n = 19 each). A balanced non-cephalic electrode (BNE) reference was used to examine the left–right asymmetry of the N1a and N1ccomponents of the T-complex. As a result, a left-dominant N1c was observed only in the high-AP musician group, indicating “AP negativity,” which has previously been described as an electrophysiological marker of AP. Notably, this hemispheric asymmetry was due to a diminution of the right N1c rather than enhancement of the left N1c. A left-dominant N1a was found in both musician groups, irrespective of AP. N1c and N1a exhibited no left–right asymmetry in non-musicians. Hence, music training and the acquisition of AP are both accompanied by a left-dominant hemispheric specialization of auditory cortical functions, as indexed by N1a and N1c, respectively, but the N1c asymmetry in AP possessors was due to reduced neural activities in the right hemisphere. The use of a BNE is recommended for evaluating these radially oriented components of the T-complex.
内容記述
内容記述タイプ Other
内容記述 Frontiers in Neuroscience. 2019, 13, 809.
DOI
識別子タイプ DOI
関連識別子 info:doi/10.3389/fnins.2019.00809
著者版フラグ
値 ETD
学位名
学位名 博士(医学)
学位授与機関
学位授与機関名 新潟大学
学位授与年月日
学位授与年月日 2020-03-23
学位授与番号
学位授与番号 13101甲第4694号
学位記番号
内容記述タイプ Other
内容記述 新大院博(医)甲第928号
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