Facilitating visuospatial attention for the contralateral hemifield by repetitive TMS on the posterior parietal cortex

被引：42

作者：

Kim, YH

Min, SJ

Ko, MH

Park, JW

Jang, SH

Lee, PKW

机构：

[1] Sungkyunkwan Univ, Sch Med, Samsung Med Ctr,Stroke & Cerebrovasc Ctr, Dept Phys Med & Rehabil,Kangnam Ku, Seoul 135710, South Korea

[2] Samsung Med Ctr, Ctr Clin Med, Kangnam Ku, Seoul 135710, South Korea

[3] Chonbuk Natl Univ, Sch Med, Dept Rehabil Med, Dukjin Ku, Jeonju 561712, Jeonbuk, South Korea

[4] Eulji Univ, Grad Sch Publ Hlth, Dept Phys Therapy, Taejon 301832, South Korea

[5] Yeungnam Univ, Sch Med, Dept Phys Med & Rehabil, Taegu 705717, South Korea

来源：

NEUROSCIENCE LETTERS | 2005年 / 382卷 / 03期

关键词：

repetitive transcranial magnetic stimulation; visuospatial attention; posterior parietal cortex;

D O I：

10.1016/j.neulet.2005.03.043

中图分类号：

Q189 [神经科学];

学科分类号：

071006 ;

摘要：

Previous studies have demonstrated that repetitive transcranial magnetic stimulation (rTMS) could modulate the visuospatial functions. In this study, we investigated the effect of off-line high frequency subthreshold rTMS, when applied over the right or left posterior parietal cortex (PPC), on the visuospatial attention of the bilateral hemispaces. The subjects underwent visuospatial tasks before and immediately after receiving 1000 pulses of 10 Hz rTMS for a period of 20 min, and their responses were recorded. Our results demonstrated that the high frequency rTMS applied over the PPC produced facilitative effects on the visuospatial attention to the contraleteral hemispace. The inhibitory effect to the ipsilateral hemispace was noticeable only in the left PPC. (c) 2005 Elsevier Ireland Ltd. All rights reserved.

引用

页码：280 / 285

页数：6

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