发放频率

触角电位受抑制的程度随吡啶浓度升高而增大.从表示触角电位发放频率变化与时间关系的直线回归方程可知，其b值大小与吡啶浓度有关，吡啶浓度越大，b值则越小。

Linear regression equation shows the relationship between the frequency of antennary potentials and time , which b value is related with the concentration of pyridine , the higher the concentration is , the larger the b value is .

方法：采用神经细胞微电极记录方法和脑立体定位技术，以VMH核团神经冲动发放频率（Hz／s）为指标，观察组间在不同时间段针刺作用的时间效应。

METHOD : Nerve cell microelectrode recording method and stereotaxic method were used to observe the time effect .

青年猫和老年猫V1神经元对视觉刺激的适应过程中，神经元对视觉刺激的平均发放频率（MF）与簇发放频率（BF）有很高的相关性。

Our results show that during adaptation , the mean firing rate ( MF ) of V1 neurons to visual stimulation is highly correlated with its burst firing frequency ( BF ) in both old and young adult cats .

提高正常标本溶液中的Ca~（++）浓度（从2mM到16mM），小终板电位的发放频率亦随之增加。

The MEPP frequency was raised about 3 times when the Ca ~ ( + + ) concen-tration of Krebs solution was elevated from 2 to 16 mM .

在顶盖区第六层细胞上，记录到自发微抑制性突触后电流（mIPSC）成分，观察到其发放频率明显高于自发微兴奋性突触后电流（mEPSC）的频率。

Whole cell voltage clamp recording of neurons in the sixth layer of optic tectum of slices revealed the higher frequency of spontaneous miniature inhibitory postsynaptic currents ( mIPSC ) than that of spontaneous miniature excitatory postsynaptic currents ( mEPSC ) .

但不影响微终板电位的发放频率，也不影响肌纤维的静息膜电位。

Neither the frequencies of miniature endplate potential nor the resting membrane potential of the muscle were changed by fraction ⅸ .

结果：清开灵可延长癫痫发作潜伏时间（P<0.05），减少湿狗样抖动次数（P<0.05）和痫波发放频率。

Results Qingkailing can prolong the latency of epileptic seizure and epileptiform discharge , and reduce the seizure degree and frequency of discharge .

进一步研究了离子通道噪声对神经元随机动力学行为特性的耦合效应，对动作电位的发放频率、精确性和可靠性的耦合作用影响。

Studied the stochastic dynamics behavior characteristics under the ion channels noise , and the influence to the frequency , the accuracy and the reliability of action potential .

钾通道是分布最广、类型最多的一类离子通道，它存在于所有的真核细胞，主要参与细胞膜静息电位和动作电位复极化过程的调节，决定着动作电位的发放频率和幅度。

Potassium ion channels are widespread and type most , they are to exist all eukaryocyte , mainly participate in cell membrane resting potential and the regulation of action potential during Repolarization .

这一结果表明，在衰老过程中，视皮层细胞对视觉刺激的适应性增强可能是由于皮层和皮层下神经抑制水平的下降导致簇发放频率的改变引起的。

This result further suggests that enhanced visual adaptation of visual cortical cells in the old brain may result from burst firing frequency changes that might be mediated by a decreased inhibition at cortical and subcortical levels .

相关分析显示，SON神经细胞自发放电频率与肥胖指标、FBS、FINS水平呈正相关，而与IAI水平呈负相关。

The frequency of neuronal spontaneous discharge in SON was positively correlated with obesity index , FBS and FINS , but was negatively correlated with IAI level .

结果模拟失重7d组大鼠肌梭自发放电频率明显降低，对动-静式牵拉反应性下降。

Result Soleus muscle spindles of rat manifest a sharp decrease in spontaneous discharge frequency and the response to ramp and hold stretch after 7 d tail suspension .

针刺在取得减肥效果的同时，可以显著提高VMH神经细胞自发放电频率；

When acupuncture attained effect of weight reduction , the frequency of spontaneous discharges of nerve cells in the VMH increased obviously ;

DCN细胞的自发放电频率为5－120Hz，自发放电频率高的神经元群体对DR刺激的反应比率却比自发放电频率低的群体低；

The spontaneous discharge frequencies of the DCN cells were 5 to 120 Hz . The cells with higher spontaneous discharge frequencies showed low responsive rates to the DR stimulation , as compared with lower firing frequency cells .

共记录到32个单位，其自发放电频率1&13次/s。

A total of 32 units with spontaneous discharge rate of1 & 13 imp / S were studied .

大多数给型细胞自发放电频率较低；

The spontaneous discharges of most on-cells was lower than those of off-cells and in addition , the latter exhibited a peri-odic spontaneous discharge pattern .

结果：泳入乙酰胆碱和谷氨酸后，对照组海马神经元单位自发放电频率均显著增多，呈兴奋性反应。

RESULTS : In the control group the frequencies of unit discharges were significantly increased and the main response to Glu or Ach was excitatory .

发现杀虫双和杀螟丹均能显著促进自发放动作电位频率和振幅的加强。

Dimehypo and cartap can increase swing and frequence of the spontaneous active potential of central nerve of dictyoptera strongly .

这些通道在动作电位的发放中都起着独特而重要的作用，调节着动作电位的发放频率、幅值和半宽。

Each kind of channels plays an unique and significant role during action potential firing , and modulates the firing frequency , amplitude and half width .