中华神经科杂志
中華神經科雜誌
중화신경과잡지
Chinese Journal of Neurology
2014年
8期
537-541
,共5页
余晓凤%陈芹%高晴%肖风来%唐颖莹%周波%唐鹤菡%黄晓琦%龚启勇
餘曉鳳%陳芹%高晴%肖風來%唐穎瑩%週波%唐鶴菡%黃曉琦%龔啟勇
여효봉%진근%고청%초풍래%당영형%주파%당학함%황효기%공계용
癫痫,颞叶%磁共振成像%扣带回%语言%神经网%执行功能%神经元可塑性%Granger因果检验
癲癇,顳葉%磁共振成像%釦帶迴%語言%神經網%執行功能%神經元可塑性%Granger因果檢驗
전간,섭협%자공진성상%구대회%어언%신경망%집행공능%신경원가소성%Granger인과검험
Epilepsy,temporal lobe%Magnetic resonance imaging%Gyrus cinguli%Language%Nerve net%Executive function%Neuronal plasticity%Granger causality analysis
目的 利用默念产词任务研究颞叶癫痫患者与健康对照语言网络的差异性,从而揭示颞叶癫痫患者涉及语言功能区域的核心节点.方法 共纳入32例颞叶癫痫患者和32名性别和年龄相匹配的健康对照.所有受试者在默念产词任务下扫描功能磁共振数据.利用MATLAB平台SPM8软件对数据进行处理.采用条件Granger因果检验方法研究颞叶癫痫患者语言网络节点之间的因果关系.结果 与健康对照相比,颞叶癫痫患者产词任务时激活增强区域包括右侧后扣带回和右侧楔前回,未发现激活降低的区域.条件Granger因果检验分析发现,患者组在左侧楔前回到左侧岛叶,左侧岛叶到左侧后扣带回以及左侧额中回到右侧岛叶的单向条件Granger因果连接增加.结论 岛叶、后扣带回均参与了颞叶癫痫患者语言网络,可能为语言网络重组以及大脑可塑性提供了影像学证据.
目的 利用默唸產詞任務研究顳葉癲癇患者與健康對照語言網絡的差異性,從而揭示顳葉癲癇患者涉及語言功能區域的覈心節點.方法 共納入32例顳葉癲癇患者和32名性彆和年齡相匹配的健康對照.所有受試者在默唸產詞任務下掃描功能磁共振數據.利用MATLAB平檯SPM8軟件對數據進行處理.採用條件Granger因果檢驗方法研究顳葉癲癇患者語言網絡節點之間的因果關繫.結果 與健康對照相比,顳葉癲癇患者產詞任務時激活增彊區域包括右側後釦帶迴和右側楔前迴,未髮現激活降低的區域.條件Granger因果檢驗分析髮現,患者組在左側楔前迴到左側島葉,左側島葉到左側後釦帶迴以及左側額中迴到右側島葉的單嚮條件Granger因果連接增加.結論 島葉、後釦帶迴均參與瞭顳葉癲癇患者語言網絡,可能為語言網絡重組以及大腦可塑性提供瞭影像學證據.
목적 이용묵념산사임무연구섭협전간환자여건강대조어언망락적차이성,종이게시섭협전간환자섭급어언공능구역적핵심절점.방법 공납입32례섭협전간환자화32명성별화년령상필배적건강대조.소유수시자재묵념산사임무하소묘공능자공진수거.이용MATLAB평태SPM8연건대수거진행처리.채용조건Granger인과검험방법연구섭협전간환자어언망락절점지간적인과관계.결과 여건강대조상비,섭협전간환자산사임무시격활증강구역포괄우측후구대회화우측설전회,미발현격활강저적구역.조건Granger인과검험분석발현,환자조재좌측설전회도좌측도협,좌측도협도좌측후구대회이급좌측액중회도우측도협적단향조건Granger인과련접증가.결론 도협、후구대회균삼여료섭협전간환자어언망락,가능위어언망락중조이급대뇌가소성제공료영상학증거.
Objective Temporal lobe epilepsy (TLE) patients often have language impairment.The present study is to examine the effective connectivity within the language network in TLE patients by analyzing functional magnetic resonance imaging (fMRI) while performing a silent verb generation task.Methods Thirty-two TLE patients and thirty-two healthy controls were recruited in the study.The fMRI was recorded while the subjects performing verb-generation task.The brain imaging data were analyzed using MATLAB-SPM8 mapping program.The correlation of the connectivities within the language network was analyzed by means of Granger causality.Results Compared to the controls,the activated areas in TLE patients are mainly located in right posterior cingulate gyrus and right precuneus.Granger causality mapping implied a possible correlation between left precuneus and left insular,left insular and left posterior cingulate gyrus,and between left medial frontal gyrus and right insular.Conclusion Granger causality analysis suggests insular,posterior cingulate gyrus may involve in the effective reorganization of language network in TLE patients,which provides the neuroimaging marker for plasticity of brain.