刺激频率

通过增加刺激频率，牛磺酸能促进Ica的减小。

Tau facilitated the reduction of lea through increasing clamp pulse frequency .

结论：BOLD信号对视觉刺激频率的依赖性可能受视觉刺激类型的影响。

Conclusion : This study may suggest that BOLD response depended on the temporal frequency could be influenced by visual stimulus pattern .

通过改变外加刺激频率分析单个神经元放电形成的ISI序列，最后得出其与刺激频率之间关系的一般规律。

Through changing the external frequency , we analyze the ISI series produced by neuron bursting , and educe general rules between ISI and frequency .

结果表明，在眩晕患者中增加声刺激频率，大大增加了听脑干反应I、III、V波潜伏期及反应波I～V潜伏期峰间期，从而为缺血性眩晕的诊断和治疗增添客观依据。

The result showed that the latency ( wave I , ⅲ, V ) and latency interpeak differences ( wave I ￣ V ) increased while the stimulus rate increased . Thus , we provide an objective basis for the diagnosis and treatment of ischemic vertigo .

而稳态、VEP能谱曲线则显示，视力与平均相叶能谱或刺激频率点的能谱相关性较大，与二次谐波的相关性则小。

Also the results indicated that the visual acuity was related to the average relative spectrum or the spectrum of fundamental recorded in s - PRVEPs , however , the second harmonic had less correlation .

通过对光源闪烁频率的调节，控制其功率，从而改变光源发射的峰值波长和对人体的刺激频率。弱激光作为复合光治疗系统的重要部分，采用波长650nm的半导体激光器。

We can module its power by switching flicker frequency , so to change the transmitted peak wavelength and stimulating frequency .

并观察在不同脉冲刺激频率、脉冲刺激强度以及Na+-K+泵流下，模型表现PED现象的变化规律，分析PED现象产生的动态过程和离子机制。

The model behaviors were observed with different pulse stimulation frequency , pulse stimulus intensity and Na + - K + pump currents . Then the dynamic process and ion mechanisms of PED phenomenon were analysed .

小脑诱发性EPSP潜伏期较短（0.63±0.09ms），持续时间较长（5.49±1.13ms），幅度分级和刺激频率依从等特征。

The cerebellum-evoked EPSP presented characteristics of relatively short latency ( 0.63 + 0.09 ms ), longer duration ( 5.49 ± 1.13ms ), graded amplitude and dependence on stimulation frequency .

在浓度为0.5mg/ml，刺激频率为1.0Hz，丹参在开始抑制Isi的峰值不明显，随着刺激数目增加，以后抑制逐渐加强，直至稳态，呈使用依赖性阻滞作用。

It showed that concentration-dependence relationship . At 0.5 mg / ml and a frequency of 1.0 Hz , SM inhibited Isi uncertainly , as the frequency increased , the inhibited Isi become evidently .

结果：三种不同的电针刺激频率均能改善脑卒中患者的局部脑血流灌注和脑细胞功能活动，2/15Hz和100Hz组较2Hz组为强。

Results Local cerebral blood perfusion and brain cell functions could be improved by electroacupuncture of the 3 frequencies , and the actions of 2 / 15 Hz and 100 Hz were better .

它的方向灵敏度与声刺激频率密切有关，频率愈高，其方位阈值差愈大。

The higher the stimulus frequency , the greater the directional threshold differences .

在同一年龄组中，刺激频率增加使动作电位时程都相应缩短，以MAPD90明显；

In the same age group , the MAPD shortened with pacing frequency increasing .

增加刺激频率不影响大鼠萎缩比目鱼肌强直收缩疲劳性

No influence of increased frequency on fatigability of tetanic contraction in rat atrophic soleus

植入后第2天开启闭环刺激频率适应性功能。

Rate adaptive function with closed loop stimulation were opened in the next day .

该抑制作用与刺激频率、强度、持续时间以及刺激电极作用核团之间的距离呈正相关关系。

This suppression effect is positive correlation to stimulating frequency , intensity and duration .

这一抑制作用与刺激频率无关。

This action was frequency - independent .

此外，我们发现这个m效应还受到其他三个参数：刺激频率、个数和刺激串间间隔的影响。

Furthermore , this burst effect was modulated by stimulus numbers , frequency and inter-burst interval .

伏安法在体研究纹状体和伏核多巴胺释放的刺激频率依赖特征

In vivo voltammetric method monitors frequency dependent dopamine release from striatum and nucleus accumbens in rat

结果：第7周，各治疗组与模型对照组比较，所需毛刷刺激频率明显少；

Results : Compared with the controlled group , the frequency of brush stimulation in therapy groups are fewer in the7th week ;

抑制的程度与节律活动的频率有关，也与刺激频率及持续时间有关。

The intensity of the overdrive suppression is related to the rate of the rhythmic activity and to the rate and duration of stimulation .

在下丘锁相反应神经元中，74%的神经元单位（63/85）的相位随刺激频率变化图为线性，26%的神经元单位呈现为非线性。

Among the phase-locked units , the phase plots of 74 % ( 63 / 85 ) units were linearity , and the rest were non-linearity .

闪光刺激的频率为5、10和15Hz。

The frequencies of photic stimulation were 5 , 10 and 15 Hz .

结果显示，当刺激脉冲频率高于10kHz时，不同直径（5~20μm）的神经纤维可以完全被阻断。

Axons of different diameters ( 5 ~ 20 μ m ) can be blocked completed when the stimulation frequency is above 10 kHz .

强噪声引起的毛细胞破坏局限在与刺激声频率相对应的基底膜区域；

Noise induced cochlear hair cell lesion was mainly located at the center of the basal turn corresponding stimulating acoustic frequency of 4 kHz .

采用基于内源信号的脑光学成像方法，在大范围视皮层研究了不同空间拓扑位置对应的皮层区的对光栅刺激空间频率反应特性。

Using optical imaging based on intrinsic signals , we studied spatial frequency tuning characteristics of cat primary visual cortex at different visual topological locations .

一类神经元对VC刺激发生放电频率增快或持续时间延长的反应，即VCE神经元，另一类神经元则对VC刺激发生放电频率降低或暂时终止的反应，即VCI神经元。

One kind of neurons , increasing of firing frequency or duration while VC was stimulated , are called VCE neurons . Other kinds of neurons , decreasing of firing frequency or abeyance , are celled VCI neurons .

通过体表电极对穴位施加刺激，刺激频率为2／100Hz变频方波，刺激部位以双侧合谷为主穴，第一支配患侧阳白和下关；

Stimulation was delivered to acupoints through skin electrodes . The frequency used were 2 / 100 Hz dense - and - disperse square wave .

以人视觉诱发电位（VEP）反应为指标，在视野的不同位置测定了VEP对四个方位的闪烁方波光栅刺激（时间频率2.9Hz，空间频率1.4c/deg，对比度0.94）的反应幅度。

Visual evoked potentials ( VEP ) to square-wave gratings ( spatial frequency 1.4 c / deg. , flickering frequency 2.9 Hz , contrast 0.94 ) at various stimulus locations on the retina were recorded from human occipital scalp .

闭环刺激双腔频率适应性起搏器的临床应用及精神负荷测试观察

Clinical use of dual chamber rate adaptive pacemakers with closed loop stimulation and mental stress test

两种不同电针刺激强度和频率对大鼠脑内单胺类神经介质影响的比较

Comparisons of effects of electroacupuncture stimulations of two different intensities and frequences on monoamine neurotransmitters in rat brain regions