Functional MRI of Cortical Activation Related to Mental Substraction and Multiplicaton under Visual Stimulation
- VernacularTitle:视觉刺激下心算减法与乘法相关皮层的fMRI研究
- Author:
Yu ZHANG
;
Liang GUO
;
Daohai XIE
;
Jianhua CHEN
- Publication Type:Journal Article
- Keywords:
functional MRI;
brain;
normal adult;
mental subtraction and multiplication
- From:
Journal of Practical Radiology
2001;0(09):-
- CountryChina
- Language:Chinese
-
Abstract:
Objective To investigate the brain activation map during substraction and multiplication tasks in health adults.Methods 13 volunteers were undergone two tests of substraction and multiplication in the form of block-design.The fMRI data were analyzed by SPM99 software with statistic t-test to generate the activation map.Results In substraction ,the left middle frontal gyre(MFG),inferior frontal gyre(IFG),superior parietal lobule(SPL),inferior parietal lobule(IPL),angular gyre(AG),superior temporal gyre(STG),the right MFG,SPL,IPL , bilateral visual association cortex and cerebellum were activated.In multiplication , the left superior frontal gyre(SFG),MFG,IFG,SPL,AG,the right SPL,precentral gyre(PCG) and bilateral visual association cortex were activated.Conclusion (1)The bilateral prefrontal areas,parietal cortex and occipito-temporal areas are involved in calculation and have the function of working memory ,numerial manipulation and visua-space attention;(2)The cerebellum is involved in cognitive arithmetic.
