A functional MRI study on the regulation of stress mediated brain activity by biting.
A functional MRI study on the regulation of stress mediated brain activity by biting.
批准号:
22592063
负责人:
NAKAMURA Hiroyuki
金额:
$2.83万
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:
2010
资助国家:
日本
项目状态:
已结题
起止时间:
2010 至 2012
中文摘要
这项研究的目的是确定咬是否会改变大脑的情绪活动。应用功能磁共振成像(fMRI)技术,分析了不同咬合力下被试大脑不同区域的激活情况。使用附着在透明固位器上的平面压力传感器监测咬压,并视觉反馈给受试者。咬激活了枕颞视觉区、顶叶视觉关联区、初级和次级体感区以及初级运动区。我们发现咬伤会抑制杏仁核的神经元活动。
英文摘要
The aim of this study is to identify if the emotional brain activity is modified by biting. We analyzed activation of several brain regions ob human subjects by using functional magnetic resonance imaging (fMRI) under different biting pressure. The biting pressure was monitored using a flat pressure sensor attached to clear retainer and was visually feed-backed to the subjects. Biting activated the occipito-temporal visual areas, the parietal visual association areas, the primary and secondary somatosensory areas, and the primary motor area. We found that the neuronal activity of amygdala was suppressed by biting.
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Neuroanatomy Research Advances
神经解剖学研究进展
DOI:
--
发表时间:
2010
期刊:
影响因子:
--
作者:
[Nakamura H, Itoh K.(Flynn CE, Callagphan BR)]
通讯作者:
Callagphan BR)
DOI:
--
发表时间:
2010
期刊:
Neuroscience Research 68
影响因子:
--
作者:
[Takahashi, T., Shirasu, M., Shirasu, M., Kubo, K., Onozuka, M., Sato, S., Itoh, K., Nakamura, H.]
通讯作者:
H.
Forming a negative impression of another person correlates with activation in medial prefrontal cortex and amygdala
对另一个人形成负面印象与内侧前额叶皮层和杏仁核的激活相关
DOI:
--
发表时间:
2011
期刊:
Soc Cogn Affect Neurosci
影响因子:
--
作者:
[Iidaka T, et al]
通讯作者:
et al
DOI:
10.1016/j.brainres.2011.05.026
发表时间:
2011-07
期刊:
Brain Research
影响因子:
2.9
作者:
[M. Shirasu;Takeshi Takahashi;Toshiharu Yamamoto;K. Itoh;S. Sato;Hiroyuki Nakamura]
通讯作者:
M. Shirasu;Takeshi Takahashi;Toshiharu Yamamoto;K. Itoh;S. Sato;Hiroyuki Nakamura
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