Spatial perception based on one's body schema
基于身体图式的空间感知
基本信息
- 批准号:17500209
- 负责人:
- 金额:$ 1.79万
- 依托单位:
- 依托单位国家:日本
- 项目类别:Grant-in-Aid for Scientific Research (C)
- 财政年份:2005
- 资助国家:日本
- 起止时间:2005 至 2006
- 项目状态:已结题
- 来源:
- 关键词:
项目摘要
How the brain represents the spatial relationship between our own body and external objects is a fundamental question. We investigated neural correlates of somatic perception that our hands interact with an external object. We used novel body-image illusions and functional magnetic resonance imaging (fMRI).We found that motor areas and right-sided fronto-parietal cortices participate in perception of illusory movement of a limb elicited by tendon vibration of the limb (Kito et al. 2006; Naito et al. 2005, 2007).When blindfolded participants placed the palm of their hand on an object and simultaneously, the tendon of wrist extensor muscle was vibrated, this elicited the illusion that the touched object is moving along with the illusory hand movement (hand-object illusion). Both right and left hand-object illusions specifically activated the left inferior parietal lobule (IPL). The left IPL is involved in the somatic perception of hand-object interactive movement, and the underlying mech … More anism is the somatic integration of internal information about the body and external information about the object (Naito&Ehrsson 2006).Likewise, blindfolded participants held a cylinder between the two hands while the tendon of the wrist extensor muscle of right hand was vibrated. This elicited a kinesthetic illusion that the cylinder was shrinking from the right side between the hands. This illusion activated anterior-medial parts (high-order somatosensory region) of the bilateral superior parietal lobules. These regions may participate in bimanual interaction with an external object to compute the spatial relationship between the two hands and the hand-held object. This indicates a possible key sensory mechanism that supports human bimanual tool-use and object-manipulation abilities (Naito et al. submitted).Parietal cortices play important roles when the brain relates external object to our body, and distinct parietal regions are involved in the neuronal integration between our body and the external object in a goal-directed manner. Less
大脑如何表现我们自己的身体和外部物体之间的空间关系是一个基本问题。我们研究了我们的手与外部物体相互作用的躯体感知的神经相关性。我们使用新的体像错觉和功能性磁共振成像(fMRI),发现运动区和右侧额顶叶皮质参与由肢体肌腱振动引起的肢体错觉运动的感知(Kito等人,2006年; Naito等人,2005年,2007年)。当被蒙上眼睛的参与者将手掌放在物体上,同时,腕伸肌肌腱振动,这引起了被触摸的物体随着虚幻的手运动而沿着移动的错觉(手-物体错觉)。右手和左手物体错觉都能激活左侧顶下小叶(IPL)。左侧IPL参与手-物体交互运动的躯体感知,以及潜在的机械 ...更多信息 行为是身体内部信息和物体外部信息的躯体整合(Naito&Ehrsson 2006)。同样,被试被蒙上双眼,双手持圆柱,同时振动右手腕伸肌肌腱。这引起了一种动觉错觉,即圆柱体从双手之间的右侧收缩。这种错觉激活了双侧顶叶上级小叶的前内侧部分(高级躯体感觉区)。这些区域可以参与与外部对象的双手交互,以计算两只手与手持对象之间的空间关系。这表明一种可能的关键感觉机制支持人类双手工具使用和物体操作能力(Naito等人提交)。顶叶皮层在大脑将外部物体与我们的身体联系起来时发挥重要作用,并且不同的顶叶区域以目标导向的方式参与我们的身体与外部物体之间的神经元整合。少
项目成果
期刊论文数量(28)
专著数量(0)
科研奖励数量(0)
会议论文数量(0)
专利数量(0)
Brain representation related to perception of limb movements by utilizing visual and somatosensory information (written in Japanese)
利用视觉和体感信息与肢体运动感知相关的大脑表征(日语)
- DOI:
- 发表时间:2006
- 期刊:
- 影响因子:0
- 作者:吉田英史;ら;Naito E;Naito E;Naito E;Kito T;内藤栄一;内藤栄一;Takei T;Naito E;Naito E
- 通讯作者:Naito E
Sensory processing during kinesthetic aftereffect following illusory hand movement elicited by tendon vibration
- DOI:10.1016/j.brainres.2006.07.062
- 发表时间:2006-10-09
- 期刊:
- 影响因子:2.9
- 作者:Kito, Tomonori;Hashimoto, Toshihiro;Naito, Eiichi
- 通讯作者:Naito, Eiichi
Kinesthetic processing and neuronal correlates of human "body image" (written in Japanese)
人体“身体意象”的动觉处理和神经元关联(日语)
- DOI:
- 发表时间:2006
- 期刊:
- 影响因子:0
- 作者:吉田英史;ら;Naito E;Naito E;Naito E;Kito T;内藤栄一;内藤栄一;Takei T;Naito E
- 通讯作者:Naito E
Dominance of the right hemisphere and role of area 2 and in human kinesthesia.
右半球的优势和区域 2 的作用以及在人类动觉中的作用。
- DOI:
- 发表时间:2005
- 期刊:
- 影响因子:0
- 作者:Inaba D;Hirose S;Naito E;内藤栄一;内藤栄一;Naito E
- 通讯作者:Naito E
現代思想 脳科学特集
现代思想脑科学专题
- DOI:
- 发表时间:2006
- 期刊:
- 影响因子:0
- 作者:Takei T;Hashimoto T;Hagura N;Matsumura M;Naito E;内藤栄一
- 通讯作者:内藤栄一
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NAITO Eiichi其他文献
NAITO Eiichi的其他文献
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{{ truncateString('NAITO Eiichi', 18)}}的其他基金
Kinesthetic processing in the visual cortices of blind person
盲人视觉皮层的动觉处理
- 批准号:
19500290 - 财政年份:2007
- 资助金额:
$ 1.79万 - 项目类别:
Grant-in-Aid for Scientific Research (C)
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