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RISS 인기검색어
- 검색키워드
- 주제어 : Lateral Prefrontal Cortex (검색결과 4 건)
- 무료
- 기관 내 무료
- 유료
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Estimation of Reward Probability in the Fronto-parietal Functional Network: An fMRI Study
Shin, Yeonsoon,Kim, Hye-young,Min, Seokyoung,Han, Sanghoon Korean Society for Emotion and Sensibility 2017 감성과학 Vol.20 No.4
We investigated the neural representation of reward probability recognition and its neural connectivity with other regions of the brain. Using functional magnetic resonance imaging (fMRI), we used a simple guessing task with different probabilities of obtaining rewards across trials to assay local and global regions processing reward probability. The results of whole brain analysis demonstrated that lateral prefrontal cortex, inferior parietal lobe, and postcentral gyrus were activated during probability-based decision making. Specifically, the higher the expected value was, the more these regions were activated. Fronto-parietal connectivity, comprising inferior parietal regions and right lateral prefrontal cortex, conjointly engaged during high reward probability recognition compared to low reward condition, regardless of whether the reward information was extrinsically presented. Finally, the result of a regression analysis identified that cortico-subcortical connectivity was strengthened during the high reward anticipation for the subjects with higher cognitive impulsivity. Our findings demonstrate that interregional functional involvement is involved in valuation based on reward probability and that personality trait such as cognitive impulsivity plays a role in modulating the connectivity among different brain regions.
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Estimation of Reward Probability in the Fronto-parietal Functional Network: An fMRI Study
신영순,김혜영,민석영,한상훈 한국감성과학회 2017 감성과학 Vol.20 No.4
We investigated the neural representation of reward probability recognition and its neural connectivity with other regions of the brain. Using functional magnetic resonance imaging (fMRI), we used a simple guessing task with different probabilities of obtaining rewards across trials to assay local and global regions processing reward probability. The results of whole brain analysis demonstrated that lateral prefrontal cortex, inferior parietal lobe, and postcentral gyrus were activated during probability-based decision making. Specifically, the higher the expected value was, the more these regions were activated. Fronto-parietal connectivity, comprising inferior parietal regions and right lateral prefrontal cortex, conjointly engaged during high reward probability recognition compared to low reward condition, regardless of whether the reward information was extrinsically presented. Finally, the result of a regression analysis identified that cortico-subcortical connectivity was strengthened during the high reward anticipation for the subjects with higher cognitive impulsivity. Our findings demonstrate that interregional functional involvement is involved in valuation based on reward probability and that personality trait such as cognitive impulsivity plays a role in modulating the connectivity among different brain regions.
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Estimation of Reward Probability in the Fronto-parietal Functional Network: An fMRI Study
( Yeonsoon Shin ),( Hye-young Kim ),( Seokyoung Min ),( Sanghoon Han ) 한국감성과학회 2017 감성과학 Vol.20 No.4
We investigated the neural representation of reward probability recognition and its neural connectivity with other regions of the brain. Using functional magnetic resonance imaging (fMRI), we used a simple guessing task with different probabilities of obtaining rewards across trials to assay local and global regions processing reward probability. The results of whole brain analysis demonstrated that lateral prefrontal cortex, inferior parietal lobe, and postcentral gyrus were activated during probability-based decision making. Specifically, the higher the expected value was, the more these regions were activated. Fronto-parietal connectivity, comprising inferior parietal regions and right lateral prefrontal cortex, conjointly engaged during high reward probability recognition compared to low reward condition, regardless of whether the reward information was extrinsically presented. Finally, the result of a regression analysis identified that cortico-subcortical connectivity was strengthened during the high reward anticipation for the subjects with higher cognitive impulsivity. Our findings demonstrate that interregional functional involvement is involved in valuation based on reward probability and that personality trait such as cognitive impulsivity plays a role in modulating the connectivity among different brain regions.
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송경민 ( Kyung Min Song ),장은영 ( Eun Young Jang ),김희영 ( Hee Young Kim ),양재하 ( Chae Ha Yang ) 대구한의대학교 제한동의학술원 2017 東西醫學 Vol.42 No.2
Objective : Acupuncture has been used a useful tool for treatment of mental diseases including drug addiction. However, the effects of acupuncture on the cognitive functions are not clear. In the present study, we reviewed the role of acupuncture on the cognitive functions. Methods : We searched research and review articles with ‘acupuncture, cognitive functions or cognitive impairment’ key word in Pubmed and RISS sites. Results and conclusion : Cognitive impairments are produced in many of diseases such as Parkinson’s disease and Alzheimer’s disease. In addition, prefrontal cortex or lateral habenula region in the brain is involved in cognitive functions. Acupuncture showed the therapeutic effect on cognitive functions in some diseases. Taken together, acupuncture can ameliorate cognitive impairments possibly through regulation of prefrontal cortex or later habenula region of brain.
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