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运动准备
相关语句
  motor preparation
     Research on event-related functional magnetic resonance imaging of motor preparation and execution
     运动准备和执行的事件相关功能磁共振研究
短句来源
     The present study of a series of experiments with functional MRI aimed to address several fundamental questions: whether the neual networks for motor preparation and execution are distinct or overlapped;
     本研究的一系列实验旨在利用功能磁共振成像技术阐明一些基本问题:运动准备和执行的神经网络是彼此分开的还是重叠的;
短句来源
     how short-term transient practice and long-term professional training modify brain activiti associated with motor preparation and execution;
     短时练习和长时的专门训练是如何改变与运动准备及执行有关的脑区激活信号的;
短句来源
     Conclusion: SMA and contralateral Ml play a critical role in motor control, involved in motor preparation and exectution respectively.
     结论:辅助运动区和对侧初级运动区分别参与运动准备和执行,是运动控制必不可少的。
短句来源
     Objective:To investigate the functional activation areas in human brain of motor preparation and execution using event-related fMRI technique.
     目的 :应用事件相关功能磁共振成像技术研究参与运动准备和执行的脑区的激活特点。
短句来源
  “运动准备”译为未确定词的双语例句
     AIM: To study the spatial distribution of preparation-and execution-rela ted activity in cerebral cortical locomotor system by functional magnetic resona nce imaging (fMRI).
     目的:利用功能磁共振成像技术(fMRI),研究大脑皮质运动系统运动准备和执行活动的空间分布。
短句来源
     Results:Bilateral anterior premotor cortex (PMC) and posterior aspects of posterior parietal cortex (PPC) were primarily activated during the preparation period.
     结果 :与运动准备有关的激活主要集中在双侧运动前区 (PMC)前部 ,双侧后顶叶 (PPC)后部 ;
短句来源
     Objective: To detect the differences in subcortical structures between patients with paroxysmal kinesigenic dyskinesia(PKD) and normal subjects during movement preparation and execution.
     目的:比较发作性运动诱发性运动障碍(PKD)患者与正常被试者在运动准备和执行过程中大脑激活差异,尤其是皮层下结构。
短句来源
     Methods: Seven right-handed healthy subjects performed a delayed sequential movement task, in which prepare signal indicated the movement sequence prior to the appearance of an imperative execution signal.
     方法:7名右利手被试执行延时序列运动,准备信号出现后,间隔一定时间出现执行信号。
短句来源
     There are differences in the function at the variant areas in the brain.
     而其他脑区则参与运动准备及运动执行 ,且各脑区在其功能上有一定差异。
短句来源
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  相似匹配句对
     Exercise.
     运动
短句来源
     Psychological Preparation and Wound from Sport
     心理准备运动创伤
短句来源
     WARMG-UP MUST BE DONE BEFORE STRENUOUS EXERCISE PERFORMANCE
     剧烈运动前须做好准备活动
短句来源
     Sports in America
     美式运动
短句来源
     preparing the data ;
     准备数据;
短句来源
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  motor preparation
The task variables were assumed to affect the following processing stages; encoding, response selection and motor preparation, respectively.
      
Severity of nicotine dependence modulates cue-induced brain activity in regions involved in motor preparation and imagery
      
The data are compatible with the view of an early bihemispheric motor preparation for speech followed by a late left hemisphere preponderance as the final common pathway.
      
These cells appeared to be more directly involved in motor preparation.
      
The present results accord with the hypothesis that set-related premotor cortex activity reflects aspects of motor preparation.
      
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In this work the BP onsettimes of voluntary movement and instructed movementwere compared.Our results show that there is no significant difference (P>0.05)between BP onsettimes of the two kinds of movement and that BP occurs before the instruction of movement.The early component of BP,i.e.the negstive wave before thepresentation of instruction,had no relationship with movement preparation.For theanalysis of the source of the BP early component,the BP onsettimes of unconscious eyeblink and instructed eyeblink...

In this work the BP onsettimes of voluntary movement and instructed movementwere compared.Our results show that there is no significant difference (P>0.05)between BP onsettimes of the two kinds of movement and that BP occurs before the instruction of movement.The early component of BP,i.e.the negstive wave before thepresentation of instruction,had no relationship with movement preparation.For theanalysis of the source of the BP early component,the BP onsettimes of unconscious eyeblink and instructed eyeblink or self-initiated voluntary eyeblink were compared.It wasfound that the BP onsettime of unconscious eyeblink was much shorter than that of thetwo kinds of conscious (P<0. 05) eyeblink.These results suggest that the BP earlycomponent is elicited by psychological factors,rather than the result of the preparatoryprocesses of movements in the blain.

人脑运动前准备电位(Bereitschaftspotentiai以下简称BP,或称ReadineepotentialRP)起始时间之长令研究者费解。本文比较了受指令食指屈曲运动和自我起始食指屈曲运动的BP。结果显示,BP在受到指令之前已经开始。显然,指令前那一部分BP即BP早期部分与运动无关.本文进一步研究了下意识眨眼运动、指令眨眼运动和自我起始眨眼运动。发现下意识眨眼运动时,BP起始时无早期成分,明显较另外两种眨眼运动的BP为短。表明BP的早期成分是由于在后两种有意识活动参与的眨眼运动中,心理活动产生的直流慢负成分,而与运动起始或运动准备无关.

Warming - up exercise in sports is of great imporance to adjust the function of the muscles of the body , to adjust and control the working condition of respiratory and circulatory systems , and to coordinate physical movements and activities. Warming - up exercise can be divided into ordinary warming - up exercise special warming - up exercise and comprehensive warming - up exercive . If one wants the warming - up cxcrcivc to function to the fullest extent , and to inerease the sports level form time to time...

Warming - up exercise in sports is of great imporance to adjust the function of the muscles of the body , to adjust and control the working condition of respiratory and circulatory systems , and to coordinate physical movements and activities. Warming - up exercise can be divided into ordinary warming - up exercise special warming - up exercise and comprehensive warming - up exercive . If one wants the warming - up cxcrcivc to function to the fullest extent , and to inerease the sports level form time to time , he must put great emphasis on the chicc of the exercise program.

体育运动的准备活动对调整机体肌肉的性能、调控呼吸系统和循环系统的工作状态、协调运动神经的活动具有非常重要的作用,准备活动可分为一般准备活动、专门准备活动和综合准备活动,要想充分发挥准备活动的作用,不断提高运动水平,必须注重活动方案的确定。

Objective To detect the cooperation of the functional activation areas in human brain using event-related fMRI technique developed in recent years. Methods Forty-four subjects were selected in this experiment and scanned by GE Signa Horizon 1.5 Tesla superconductive MR system. A CUE-GO paradigm was used in this experiment. The data were analyzed in SUN and SGI workstation. Results The activation areas were found in contralateral primary motor area(M1),bilateral supplementary motor areas(SMA),premotor areas(PMA),basal...

Objective To detect the cooperation of the functional activation areas in human brain using event-related fMRI technique developed in recent years. Methods Forty-four subjects were selected in this experiment and scanned by GE Signa Horizon 1.5 Tesla superconductive MR system. A CUE-GO paradigm was used in this experiment. The data were analyzed in SUN and SGI workstation. Results The activation areas were found in contralateral primary motor area(M1),bilateral supplementary motor areas(SMA),premotor areas(PMA),basal ganglia, and cerebellar cortices. The time-signal curve of M1 was a typical single-peak curve, but the curves in PMA, basal ganglia, and cerebellar cortices were double-peak curves. SMA had 2 parts, one was Pre-SMA, and another was SMA Proper. The curve was double-peak type in Pre-SMA and single-peak type in SMA Proper. There was difference between the time-signal intensity curves in above-mentioned areas. Conclusion (1)M1 is mainly associated with motor execution, while others with both motor preparation and execution. There are differences in the function at the variant areas in the brain. (2)The fact that bilateral SMA, PMA, basal ganglia, and cerebellar cortices were activated,is different from what the classical theories told. (3)Event-related fMRI technique has higher temporary and spatial resolutions. (4)There is cooperation among different cortical areas, basal ganglia, and cerebellum.

目的 应用事件相关功能磁共振成像 (fMRI)技术 ,探讨手指运动时人脑功能活动区的协同作用。方法 选取 44名健康受试者 ,应用信息提示 执行 (CUE GO)行为模式 ,成像应用GESignaIorizon 1.5T磁共振系统 ,所获数据在SUN与SGI工作站进行处理。结果 对侧初级运动皮层 (M1) ,双侧辅助运动区 (SMA)、运动前区 (PMA)、基底节及小脑皮质等区域有明显激活。其中M1区时间 信号强度曲线呈典型单峰曲线 ;PMA、基底节、小脑皮质区的时间 信号强度曲线为双峰曲线。SMA又分为 2个区 ,为位于前方的辅助运动前区 (Pre SMA)和后方固有区 (SMAProper)。Pre SMA为双峰曲线 ,SMAProper则为单峰曲线。各脑区的时间 信号强度曲线不完全相同。结论  (1)M1区为运动执行区 ;而其他脑区则参与运动准备及运动执行 ,且各脑区在其功能上有一定差异。 (2 )SMA、PMA、基底节及小脑皮质均为双侧激活 ,与传统理论略有差异。 (3)事件相关fMRI技术具有较高的时间分辨率和空间分辨率。 (4 )脑内不同脑区、基底节及小脑间其功能活动具有协同作用。

 
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