Negative BOLD during tongue movement: A functional magnetic resonance imaging study

被引：8

作者：

Sakamoto, Kiwako ^{[1
,2
,4
]}

Nakata, Hiroki ^{[1
,2
,5
]}

Perrucci, Mauro Gianni ^{[2
,3
]}

Del Gratt, Cosimo ^{[2
,3
]}

Kakigi, Ryusuke ^{[1
]}

Romani, Gian Luca ^{[2
,3
]}

机构：

[1] Natl Inst Physiol Sci, Dept Integrat Physiol, Okazaki, Aichi 4448585, Japan

[2] Univ G dAnnunzio, ITAB, Chieti, Italy

[3] Univ G dAnnunzio, Dept Clin Sci & Bioimaging, Chieti, Italy

[4] Nihon Univ, Adv Res Inst Sci & Humanities, Tokyo, Japan

[5] Univ Tokyo, Grad Sch Arts & Sci, Tokyo, Japan

来源：

NEUROSCIENCE LETTERS | 2009年 / 466卷 / 03期

关键词：

fMRI; PPC; Precuneus; Deactivation; MI; PRIMARY MOTOR CORTEX; CHEWING-SIDE PREFERENCE; FMRI SIGNAL DECREASES; CORTICOCORTICAL CONNECTIONS; SOMATOSENSORY CORTEX; PARIETAL CORTEX; VISUAL-CORTEX; BRAIN; INHIBITION; ACTIVATION;

D O I：

10.1016/j.neulet.2009.09.038

中图分类号：

Q189 [神经科学];

学科分类号：

071006 ;

摘要：

The aim of this functional magnetic resonance imaging (fMRI) study was to evaluate negative blood oxygen level-dependent (BOLD) signals during voluntary tongue movement. Deactivated (Negative BOLD) regions included the posterior parietal cortex (PPC), precuneus, and middle temporal gyrus. Activate (Positive BOLD) regions included the primary somatosensory-motor area (SMI), inferior parietal lobular medial frontal gyrus, superior temporal gyrus. insula, lentiform nucleus, and thalamus. The results were not consistent with previous studies involving unilateral hand and finger movements showing the dead activation of motor-related cortical areas including the ipsilateral MI. The areas of Negative BOLD in the PPC and precuneus might reflect specific neural networks relating to voluntary tongue movement. (C) 2009 Elsevier Ireland Ltd. All rights reserved.

引用

页码：120 / 123

页数：4

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