联觉的大脑网络激活

李佳源; 赵伶俐

联觉的大脑网络激活

李佳源¹,
赵伶俐²

1.
西华师范大学管理学院，南充 637009
2.
西南大学教育学部，重庆 400715

基金项目:

教育部人文社会科学研究西部项目 12XJC840005

四川省哲社“十二五”青年项目 SC13C010

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出版历程
- 刊出日期: 2014-06-20

Network of Brain Areas involved in Synaesthesia

LI Jiayuan¹,
ZHAO Lingli²

1.
School of Management, China West Normal University, Nanchong 637009
2.
School of Education, South West Normal University, Chongqing 400715

摘要

摘要: 近年认知神经心理学家利用神经成像技术对联觉进行了大脑激活情况研究，通过以颜色联觉为主的研究成果的对比与分析，发现联觉伴随体验的大脑激活不局限于特定区域(比如V4或顶叶区域)，而是涉及一个大脑区域网络(大脑的6个区域被激活)，这个大脑区域网络与联觉的三个不同加工过程相关联。同时通过对造成大脑结构差异的遗传基因研究进行总结与分析，发现找到的几个备选基因都是大脑中影响连接发展的基因，据此推测决定联觉的基因可能在大脑中影响连接发展的那些基因中(至少部分)找到。
- 联觉 /
- 大脑区域网络 /
- 基因
Abstract: In recent years, many neuropsychologists have studied synaesthesia in whole brain. From these studies we find that synaesthetic colour experience in color synaesthesia can activate V4, but is not necessarily restricted to V4. Rather it involves a network of brain areas (six brain locations activated). Similarly, in other types of synaesthesia, networks of brain areas are involved. Some evidences have showed that synaesthetes have increased grey matter or white matter in area V4 or other areas, which implies that there are structural differences of brain and genetic differences between synaesthetes and non-synaesthetes. Much work to look for the genes that determine synaesthesia is still going on, yet some studies have showed that genetic basis may be found in genes which influence the development of connectivity in the brain, such as TBR1. These phenomena still need to be tested in the future.
- synaesthesia /
- networks of brain areas /
- genes

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图 1 联觉体验期间的全脑激活情况(Rouw et al., 2011)

(图1显示了在言语—颜色联觉期间的大脑激活情况，在9个不同研究中获得的大脑激活区域坐标被给出，A、B、C、D分别代表了在9个研究中发现的被激活的大脑位置)

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