Role of human frontal and supplementary eye fields in double step saccades

被引：25

作者：

Tobler, PN

Müri, RM

机构：

[1] Univ Bern, Inselspital, Inst Psychol, CH-3012 Bern, Switzerland

[2] Univ Bern, Inselspital, Dept Neurol, Eye Movement Res Lab, CH-3012 Bern, Switzerland

来源：

NEUROREPORT | 2002年 / 13卷 / 02期

关键词：

double step paradigm; frontal eye field; human; saccade; supplementary eye field; target memorization; transcranial magnetic stimulation;

D O I：

10.1097/00001756-200202110-00016

中图分类号：

Q189 [神经科学];

学科分类号：

071006 ;

摘要：

Transcranial magnetic stimulation (TMS) was applied over the frontal eye field (FEF) and the supplementary eye field (SEF) regions before execution of the first saccade in a double step task. When applied over the FEF, stimulation increased the percentage error in amplitude of the contralateral second saccade as compared to no stimulation. This was due to an interference with retinotopic but not craniotopic gain calculation. Stimulation of the SEF region interfered with saccade ordering. Thus, FEF might participate in target memorization whereas SEF is confirmed to code order information for sequential saccades even in this paradigm of only two consecutive movements. NeuroReport 13:253-255 (C) 2002 Lippincott Williams Wilkins.

引用

页码：253 / 255

页数：3

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