Analysis of brain activities and investigation of hierarchical language processing

大脑活动分析和分层语言处理研究

基本信息

  • 批准号:
    15300148
  • 负责人:
  • 金额:
    $ 10.05万
  • 依托单位:
  • 依托单位国家:
    日本
  • 项目类别:
    Grant-in-Aid for Scientific Research (B)
  • 财政年份:
    2003
  • 资助国家:
    日本
  • 起止时间:
    2003 至 2005
  • 项目状态:
    已结题

项目摘要

The research is aimed at elucidating spatiotemporal neural activities during sentence reading. To analyze multiple activities within the brain, minimum L1 norm reconstruction was examined by simulation. It was found that the locating accuracy was within about 5 mm when a gravitational center of estimated dipole sources was computed, where the standard error was about 15 mm. The dipole moments, which were estimated for multiple subjects, were averaged by using Gaussian function with the above standard error in standard brain coordinates, which enabled visualization of distributed brain activities.In MEG measurements we used Japanese complex sentences that included a main clause, in a canonical phrase-order of subject (S) - object (O) -verb (V), combined with a subordinate clause. Sentences that had the main clause of scrambled O-S-V phrases were also composed and mixed. Those sentences were presented visually phrase-to-phrase to subjects. They performed a judgment task during MEG record … More ing, answering a question given in canonical-order phrases about the thematic role, i.e., "who did whom what" of the main clause. MEG responses of different phrases in the main clause were averaged, from which distributed current sources were estimated by L1 norm method.Grand mean distribution across eleven subjects of the localized sources showed regional activities focused in the prefrontal and posterior temporal areas in the left hemisphere, which may overlap with classical language areas. Activities were also found around the left central sulcus, indicating sensory/motor cortices, centered at the hand area. These active regions, together with visual occipital cortices were observed in most subjects, though large inter-subject varialbilities existed in the magnitude and extent of the activities. Posterior part of the prefrontal area and the sensory/motor areas were more active for scrambled than canonical sentences. No focal activities in the central and prefrontal regions were observed in the right hemisphere. Less
本研究旨在阐明句子阅读过程中的时空神经活动。为了分析大脑内的多个活动,通过模拟检验了最小L1范数重建。当计算估计的偶极子源的重力中心时,定位精度约为5 mm,其中标准误差约为15 mm。在脑磁图测量中,我们使用了包含主句的日语复句,在规范短语-主语顺序(S)-宾语(O)-动词(V)中结合了从属从句。以混杂的O-S-V短语为主句的句子也被合成和混合。这些句子以逐个短语的形式呈现给受试者。他们在MEG Record…期间执行了一项判断任务更重要的是,回答一个关于主题角色的典型语序短语的问题,即主句中的“谁做了谁做了什么”。对主句中不同短语的脑磁图反应进行平均,并用L1范数法估计其分布电流源。11个局部电流源的总体平均分布表明,区域活动集中在左侧大脑半球的前额后颞区,这可能与经典语言区重叠。左侧中央沟周围也有活动,表明感觉/运动皮质集中在手部区域。这些活动区和视觉枕叶皮质一起在大多数受试者中被观察到,尽管受试者之间在活动的大小和程度上存在很大的差异。前额叶后部和感觉/运动区在错乱句中比标准句更活跃。右脑中央和前额叶未见局灶性活动。较少

项目成果

期刊论文数量(39)
专著数量(0)
科研奖励数量(0)
会议论文数量(0)
专利数量(0)
S.Kuriki, T.Mishima, F.Takeuchi, H.Hagiwara, J.Arigi: "MEG study of brain areas involved in syntactic processing of Japanese complex sentences"Abstract of IBRO World Congress of Neuroscience (Prague). 6. 3387 (2003)
S.Kuriki、T.Mishima、F.Takeuchi、H.Hagiwara、J.Arigi:“参与日语复杂句子句法处理的大脑区域的 MEG 研究”IBRO 世界神经科学大会(布拉格)摘要。
  • DOI:
  • 发表时间:
  • 期刊:
  • 影响因子:
    0
  • 作者:
  • 通讯作者:
文処理の脳内メカニズム
句子处理的大脑机制
Auditory evoked field responses in the left hemisphere to morphosyntactic violation in Korean sentence
韩语句子中,听觉诱发左半球对形态句法违规的反应
MEGによる高次脳機能解析
使用 MEG 进行高级脑功能分析
  • DOI:
  • 发表时间:
    2003
  • 期刊:
  • 影响因子:
    0
  • 作者:
    栗城眞也;竹内文也
  • 通讯作者:
    竹内文也
萩原裕子, 曽雌崇弘: "かき混ぜ文の処理について-多チャンネル脳波による検討-"意図の伝達スキルに関する国際シンポジウム開催準備研究公開シンポジウム論文集. 35-44 (2003)
Yuko Hagiwara,Takahiro Some:“关于混合句子的处理-使用多通道脑电波的研究”国际意图沟通技巧研讨会筹备研究公共研讨会论文集35-44(2003)。
  • DOI:
  • 发表时间:
  • 期刊:
  • 影响因子:
    0
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KURIKI Shinya其他文献

KURIKI Shinya的其他文献

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{{ truncateString('KURIKI Shinya', 18)}}的其他基金

Detection of the response of cortical rhythmic activities and extraction of the internal state such as affection and stress
检测皮质节律活动的反应,提取情感、压力等内部状态
  • 批准号:
    23300169
  • 财政年份:
    2011
  • 资助金额:
    $ 10.05万
  • 项目类别:
    Grant-in-Aid for Scientific Research (B)
DETECTION AND DECODING OF COGNITIVE BRAIN INFORMATION
认知脑信息的检测和解码
  • 批准号:
    19300152
  • 财政年份:
    2007
  • 资助金额:
    $ 10.05万
  • 项目类别:
    Grant-in-Aid for Scientific Research (B)
Development of The Technology of Biomagnetic Measurement Using High-Temperature Superconductor
高温超导体生物磁测量技术的进展
  • 批准号:
    11359001
  • 财政年份:
    1999
  • 资助金额:
    $ 10.05万
  • 项目类别:
    Grant-in-Aid for Scientific Research (A)
Analysis of intelligent visual processes by behavioral observation and MEG measurement
通过行为观察和脑磁图测量分析智能视觉过程
  • 批准号:
    08458280
  • 财政年份:
    1996
  • 资助金额:
    $ 10.05万
  • 项目类别:
    Grant-in-Aid for Scientific Research (B)
Neiuromagnetic study on speech sound processing in human auditory cortex
人类听觉皮层语音处理的神经磁学研究
  • 批准号:
    03455002
  • 财政年份:
    1991
  • 资助金额:
    $ 10.05万
  • 项目类别:
    Grant-in-Aid for General Scientific Research (B)
Analysis and Measurement of Neuromagnetic Fields Elicited by Stimulations of Sensory Nerves
感觉神经刺激引起的神经磁场的分析和测量
  • 批准号:
    61550287
  • 财政年份:
    1986
  • 资助金额:
    $ 10.05万
  • 项目类别:
    Grant-in-Aid for General Scientific Research (C)

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博士论文研究:第二语言习得和处理中的方面和事件认知
  • 批准号:
    2337763
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    $ 10.05万
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合作研究:会议:生物发现的大型语言模型 (LLMs4Bio)
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    2024
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    $ 10.05万
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    Standard Grant
REU Site: Recent Advances in Natural Language Processing
REU 网站:自然语言处理的最新进展
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    2349452
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    2024
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EAGER: Accelerating decarbonization by representing catalysts with natural language
EAGER:通过用自然语言表示催化剂来加速脱碳
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SBIR第二阶段:智能语言学习环境
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教师和学习者对语言课堂动机的看法
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