刺激阈值

以传入纤维的传导速度与刺激阈值为指标，可以区分A样纤维与C样纤维兴奋性突触后电流。

According to the conduction velocity of afferent fibers and stimulus threshold , evoked EPSCs that are mediated by A-like or C-like fibers were distinguished .

对36例SPR中使用电刺激阈值法所取得各脊神经后根内的神经小束的电刺激阈值进行统计学处理，分析彼此间的联系和可能的临床意义。

The electrical stimulation threshold of all nerve fascicles in 36 cases during SPR were analysed statistically .

方法：对5例行SPR患者进行术中电刺激阈值及行为反应观察，对阈值较低、有反应扩散现象的神经小束予以切除。

Methods : To observe the electrical threshold of excitation and behavior reaction of5 cases during the SPR resect the nerve fasciculus of lower threshold and reacted spreading phenomenon .

运用时域有限差分法（FDTD），通过电磁场对人体心脏影响的模型仿真，计算出心脏体段由磁共振成像（MRI）时变梯度场感应的涡流，并与已有的心脏刺激阈值进行比较。

By employing FDTD method and simulating the effects of electromagnetic on the heart of human body , the eddy-currents of the heart of human body induced by MRI time-varying gradient fields are computed and compared with the recommended threshold .

通过MRI中梯度磁场对人体心脏影响的模型仿真，运用FDTD方法计算出心脏部分感应涡流，并与心脏刺激阈值进行比较。

The induced eddy current is computed by simulating the effect of gradient electromagnetic field in MRI at the heart of human body with the method of FDTD . Comparing with the threshold , peak value of the induced eddy current is lower .

结果表明：在SPR术中所切断的神经小束与保留束的电刺激阈值有高度显著性差异，每一神经根内切断神经小束与保留神经小束的电刺激阈值亦有显著差异。

The results showed that there was a significant difference between the electrical stimulation threshold of the severed nerve fascicles and intact nerve fascicles no matter the nerve root or each posterior nerve rootlet was examined .

直流电场中鲤的行为特性及体长与电刺激阈值的关系

Electroreception in Cyprinus carpio and the relationship between the threshold value of electric stimulus and body length

周围神经选切治疗痉挛性脑瘫中电刺激阈值的意义探讨

The clinical significance of the threshold of rootlet in treatment of spastic cerebral palsy by selective peripheral neurotomy

在70只戊巴比妥钠麻醉大鼠，观察了腓肠神经支配区291个皮肤惑受单位的机械刺激阈值、感受野特征和对刺激的反应性。

Thresholds to mechanical stimulation properties of receptive fields and mechanical response properties of 291 cutaneous receptive units were observed ;

刺激阈值所需要的能耗大，由此仪器产热并造成刺激有效性降低。

The threshold of the stimulation requires high energy to operate and also produces equipment heat that leads to inefficient stimulation .

结果2例成年人鼓岬刺激阈值在10μA以下，术后言语可懂度有不同程度的改善，一例幼儿术后言语可懂度有提高。

Result 2 adult cases with promontory stimulation thresholds below 10 microampere and one prelingual deaf child show improved speech performance postoperatively .

结论本研究未发现术后言语可懂度与鼓岬刺激阈值的函数关系，探讨了其可能的原因。

Conclusion This study did not find the functional relationship between postoperative speech performance and promontory stimulation threshold , possible reasons for the results were discussed .

结论良好电性能的电极刺激阈值低，感知功能好，局部组织反应轻，有利于保护心功能；

Conclusion High quality electrode , which can result in lower pacing threshold , better sensing function and milder local tissue reaction , should be recommended for clinical use .

不同直径的纤维具有不同的刺激阈值，纤维直径越大，视神经纤维刺激阈值越小6.改变刺激脉冲的脉宽和强度能产生不同的激活效应。

Fibers with different diameters had different excitation thresholds , the greater the diameter was the smaller the activation thresholds was . 6 . Pulse with different width and intensities induced different optic nerve activation effect .

言语处理器振幅阈值（μV）应设置在小于15～20μV的电听性脑干诱发电位刺激振幅阈值。

The amplitude thresholds of verbal process unit should be set at < 15 ~ 20 μ V ( the amplitude threshold of EABR ) .

方法：采用组织化学、SDSpage凝胶电泳以及电生理等方法观察上唇提肌形态学、电刺激收缩阈值、最大收缩力以及MHC各亚型的变化。

Methods : The morphologic changes were observed by histochemical methods 、 the phenotype of MHC by SDS PAGE 、 the tension of contraction and the threshold value of electrical stimulation by electrical physiological methods ;

控制性降压对脊髓血流及诱发电位的影响诱发肌电图刺激电流阈值与螺钉位置关系模型研究

Study of the model between galvanic threshold of intraoperative evoked electromyography monitoring and position of the pedicle screws

观察用药后动物行为反应及机械刺激疼痛阈值变化。

The behavioral reaction and the mechanical response threshold ( pain threshold ) were observed at different time after transplantation .

结论阿曲库铵应用后周围神经肌肉阻滞达100%时依然可以进行面神经监测，但刺激电流阈值显著增大；

Conclusions Facial nerve monitoring can be performed even during the 100 % NMB level by atracurium , with significant elevated stimulating thresholds .

诱发肌电图刺激电流阈值与螺钉位置关系模型研究针刺不同穴位对痉挛性偏瘫患者诱发肌电图的影响

Study of the model between galvanic threshold of intraoperative evoked electromyography monitoring and position of the pedicle screws Effect of Puncturing Different Points on Evoked EMG of Spastic Hemiplegia Patients

应用不同影像学检查方法评估椎弓根螺钉位置的研究诱发肌电图刺激电流阈值与螺钉位置关系模型研究

Evaluation of the Position of Thoracolumbar Pedicle Screw with Different Image Method after the Operation Study of the model between galvanic threshold of intraoperative evoked electromyography monitoring and position of the pedicle screws

背景应激（stress）是指内外环境刺激超过正常阈值时，机体出现的一种包括神经、内分泌和免疫系统等在内的综合应答状态。

Background Stress is a pathogenic complex of neural , endocrinal and immune response to both inner and outer stimuli that surpass the physiological threshold .

结果··：用药组的戒断综合积分、体重减轻情况及其对热刺激的痛阈值和出现的扭体反应次数与NS组比较，差异均有显著性意义（P＜0.01）。

Result : The total scores of abstinence symptoms , the body weight loss of morphine dependent rats and the pain threshold , the number of writhing of mice were compared with NS group 's , and the difference was significant ( P < 0.01 ) .

主要观察指标：大鼠检测机械性刺激缩足阈值。

MAIN OUTCOME MEASURES : The paw withdrawal threshold to mechanical stimulation .

测定其后肢机械刺激缩爪阈值。

The withdrawal threshold after mechanical stimulus on posterior limbs was observed .

方法采用醋酸和热刺激测定痛阈值和镇痛程度，采用二甲苯和醋酸致炎测定耳肿胀和毛细血管通透性。

Methods The pain threshold and the relieving pain intensity were measured with acetic acid and thermal stimulation respectively .

在术前及术后不同的时间点测量大鼠后足机械刺激回缩阈值、热刺激回缩潜伏期、体重以及肢体运动功能的变化。

The paw withdrawal threshold to mechanical stimulation , paw withdrawal latency to heat stimulation , body weight and motor function were determined pre - and post-surgery .

结论卡马西平与丙戊酸钠以1∶20比例配伍在电刺激皮层惊厥阈值测定模型的抗惊厥作用优于单药组。

Conclusion The effect of the combination of CBZ and VPA was better than that of monotherapy in the determination of threshold for localized seizure by direct cortical stimulation ( TLS ) model .

目的观察卡马西平与丙戊酸钠1∶20比例配伍时对大鼠电刺激皮层惊厥阈值的影响。

Objective To observe the influence of the combination of carbamazepine ( CBZ ) and valproate ( VPA ) in the ratio of 1 ∶ 20 on the threshold for localized seizure by direct cortical stimulation .

结果迷走神经定位成功率94.6%，迷走神经功能受损时，即使外观完整，共解剖前、后电刺激反应电流阈值差异常升高。

Results 94.6 % of the vagal never localization is successful . If the function of vagal never is injured , even with completed outlook , the threshold of stimulation current will be extremely high before and after the dissection .