中文摘要：

目的应用正电子发射计算机体层显像．计算机体层显像（PET—CT）探讨基底神经节在印度人英语书写中的神经心理学机制，并在此基础上阐释拼音文字书写规律。方法以6名健康的大学本科印度留学生为研究对象，每人分别执行似写和英语书写作业，采用PET—CT进行扫描并获得数据，通过统计参数周对假写和英浯书写的图像数据进行配对t检验，分析葡萄糖代谢变化的区域，获得英语书写所引起的脑功能激活图。结果英语书写与假写比较时，左侧壳核（x=-30，y=-11，z=4，t值=2．34，Z值=1．84，P值=0．033）、尾状核头（x=-8，y=17，z=-4，t值=2．08，Z值=1．70，P值=0．045）葡萄糖代谢增加结论左侧基底伸经节参与英语书写过程，并在右利手人群中具有对侧优势性。

英文摘要：

Objective To explore the neuropsychological mechanism of basal ganglia in English writing and elucidate law of alphabetic writing by means of PET-CT. Methods Subjects were six healthy Indian overseas students,sophomore and junior undergraduate. PET-CT examinations of the pseudo-writing and the English writing were carried out sueeessively with an interval of 3 - 5 days. Statistical parametric mapping （SPM） was used to compare the datum of the two tasks through paired-t test. After analyzing areas where the metabolism of glucose changed the images about activated cerebral regions in English writing were obtained. Results The metabolism of glucose in left putamen（x= -30,y= -11,z=d,t=2.34, Z=1.84, P=0.033） and caudate head（x=-8,y= 17, z = -4, t = 2.08, Z= 1.70, P=0. 045） were inc, reased in the comparison hetween English writing and English pseudo-writing. Conclusion Left basal ganglia participates in English writing with contralateral cerebral dominance in right-handedness.