神經易化 的英文怎麼說
中文拼音 [shénjīngyìhuà]
神經易化
英文
neural facilitation-
Thirdly, resorting to cooperation - competition model of biomathematics, this thesis proposes a new co - evolution model. simulation results are shown to verify its effect and practicabilitv. last, standard methods for optimizing neural netvvorks are easily trapped into local optimization, and unable to adjust the structure of neural networks, thus their application is limited to certain extent
本文主要驗證和設計適應性操作運算元和小生境方法保持群體多樣性的能力，實驗表明兩種方法都能較好地達到目的；利用生物合作競爭模型設計協同演化來動態地改變群體規模，實驗表明該模型是有效的；人工神經網路是得到越來越廣泛應用的學習系統，但是由於學習演算法存在一定的缺陷，如易於陷入局部極值，難以調整網路的結構等，使神經網路的應用受到一定的限制。Mild changes in personality occur, as well as erethism characterized by excessive, undue embarrassment, timidity, depression, discouragement, irritability, resentfulness, or excitability.
人的性情出現輕微的變化，以及過度興奮、過分煩惱、膽小羞怯、抑鬱不樂、沮喪泄氣、神經質的煩燥、忿恨不滿或易興奮、激動。Alteration in excitability and conductivity of a nerve or muscle during the passage of an electric current through it
電緊張當電流通過時，某一神經或肌肉產生的易激動性和傳導體的變化It has reported that the amygdaloid complex exerts ianuence on the medial geniculate body and the auditory cortex. not only the light evoked response of latera geniculate cells can be modulated by the amygdaloid complex, but also their receptive field characterstics. the pathway of this modulating innuence is amygdala isual cortexateral geniculate
已有的工作表明，杏仁復合體可對內膝體和聽皮層聽覺信息產生影響作用，在視覺上，杏仁復合體不僅對兔外膝體神經元閃光刺激反應活動產生抑制和易化影響，而且對外膝體神經元的感受野特性具有調製作用，這種作用是通過杏仁-視皮層-外膝體途徑而實現。Axoplasmic transport of nerve fibers ; nutrition of nerve fibers ; the function of neuroglia cells ; eletrical synapse ; contact ways of central neurons ; local circuit neurons ; central facilitation ; body sensory afferent pathway, visceral sensation ; the regulation system of somatic motor, the central regulation of visceral sensation ; pain sensation ; the function of basal ganglia ; evoked cortical potential and electroencephalogram
神經纖維的軸漿運輸；神經纖維的營養；神經膠質細胞的功能；電突觸；中樞神經元的聯系方式；局部迴路神經元；中樞易化；身體感覺傳入通路，內臟感覺；軀體運動的調節系統，內臟活動的中樞調節；痛覺；基底神經節的功能；皮層誘發電位和腦電圖。Proprioceptive neuromuscular facilitation stretching versus puncturing ashi point for delayed - onset muscle soreness in triceps surae
本體感神經肌肉易化牽伸與斜刺阿是穴治療小腿三頭肌延遲性肌肉酸痛癥的效果比較A chaos optimum and neural network calculation model was built based on plenty of testing data of concrete intensity to cover the shortage of single bp neural network, such as slow astringency and easy torpidity
摘要依據混凝土標準試塊強度檢測數據，建立了混沌優化的神經網路計算模型，從而克服傳統bp網路收斂速度慢、易出現麻痹現象等不足。It is very important to estimate the basic parameters in helicopter preliminary design. neural network ( nn ) has the advantages in estimating accuracy and generalization over traditional methods. however, there are some difficulties in using nn, e. g., how to select a proper network structure and the number of hidden layers. in this paper, structure and connection weight of a three - layer nn are optimized by genetic algorithm, and the optimized network is applied to helicopter sizing. the proposed method can not only give an optimal nn structure and connection weight, but also reduce the prediction error and has the capability of self - learning when the latest data are available. furthermore, this method can be easily applied to helicopter design systems
在直升機初步設計階段估算其基本參數是很重要的.神經網路的通用性和精度比傳統的估算方法有更多的優勢，但是在應用神經網路時存在如何選擇合適的網路結構和隱層節點數目等一些困難.應用遺傳演算法優化三層神經網路結構和連接權重，並將優化得到的網路應用於直升機參數選擇中.該方法不但可以給出一個最優的神經網路結構和連接權重，而且降低了估算誤差，具有及時應用最新數據學習的能力.此外，該方法易於在直升機設計系統中得到應用Includes the structure and biophysical properties of excitable cells, synaptic transmission, neurochemistry, neurodevelopment, and integration of information in simple systems and the visual system
其中包括易興奮細胞的結構與生物物理性質、突觸傳遞、神經化學、神經發育以及簡單系統與視覺系統資訊的整合。An indirect self - adaptive fuzzy - neural network controller ( fnnc ) has been proposed with its parameters and the structure tuned simultaneously by ga in virtue of the powerful optimization property of ga. the structure of the controller is based on the radical basis function ( rbf ) neural network with gaussian membership functions. the performance of the proposed fnnc is compared with a conventional fuzzy - pid controller and the simulation results show that the fnnc presents encouraging advantages
針對神經網路採用一維反向傳播訓練演算法速度較慢且易於陷入局部極小點的不足，設計了一種間接自校正模糊神經網路控制系統，利用遺傳演算法（ ca ）對隸屬度函數的結構和參數進行優化，模擬比較表明該控制比模糊pid控制具有更優的性能。Genetic algorithm ( ga ) is a simple, wide - used, and robust probability searching algorithm, compared to other optimizing methods, ga adopts some particular methods and techonolgies, and is easy to be mixed with other techniques such as neural network, fuzzy reasoning, so it has been used widely
遺傳演算法是一種簡單，通用，魯棒性強的概率搜索演算法。與傳統的優化方法相比，它採用了許多獨特的方法和技術，並且易於和別的技術（如神經網路，模糊推理）相融合，從而應用范圍非常廣泛。The red blood cells of a normal person, for instance, age and die in 120 days. new blood cells are formed in bone marrow cells to ensure normal functioning of the human body. however, a vitamin b12 deficiency can make the red blood cells dysfunctional or prevent their successful formation, which in turn causes megaloblastic anemia anemia in which abnormally sized red blood cells are found in the blood. in some cases, prolonged vitamin b12 deficiency can deter the formation and functioning of myelin, subsequently leading to neuritis inflammation of the nerves or incomplete brain development
例如，人類正常的紅血球每120天便會老化死亡，所以骨髓細胞會持續產生新的紅血球，以維持人類正常之身體功能，所以如果缺乏維他命b12 ，便容易造成紅血球生合成功能不全，進而導致巨大型紅血球貧血megaloblastic anemia又例如，因長期缺乏維他命b12 ，會造成神經髓鞘myelin生合成功能不全，進而導致神經炎及腦部發育不全等等。It may have a preventional function from alzheimer ' s disease. molecular biological studies are shown that apoe isoform has a isoform - specific role to neurodegeneration. apoe3 and apoei aid to sustain the stabilization of cytoskeleton protein tau, while apoe4hyperphosphorylates tau to destabilize the microtubule protein, which will make neurocyte easy to form neurofibrillary tangles in ad
分子生物學研究發現， apoe異構體對神經細胞退化表現出異構體特異作用， apoe _ 3和apoe _ 2有助於維持微管的穩定性，而apoe _ 4則使tau蛋白超磷酸化，破壞微管的穩定性，使神經細胞易於形成神經纖維纏結。The number of the hidden layers of mul - tilayer perceptrons ( mlps ) is analyzed, and three - layer perceptrons neural network is adopted ; by analyzing the mechanism of the neural cells in hidden layer, a method for combining genetic algorithm and bp algorithm to optimize the design of the neural networks is presented, and it solves the defects of getting into infinitesimal locally and low convergence efficiently, it can also solve the problem that it can usually obtain nearly global optimization solution within shorter time through using genetic algorithm method lonely ; several examples validate that this algorithm can simplify the neural networks effectively, and it makes the neural networks solve the practical problem of fault diagnosis more effectively
對多層感知器隱層數進行了分析，確定採用三層感知器神經網路;通過對隱層神經元作用機理的分析，引入了遺傳演算法與bp演算法相結合以優化設計神經網路的方法，有效地解決了bp演算法收斂速度慢和易陷入局部極小的弱點，還可以解決單獨利用遺傳演算法往往只能在短時間內尋找到接近全局最優的近優解的問題;通過實例驗證了這種演算法能夠有效地簡化神經網路，使神經網路更加有效地解決實際的故障診斷問題。When someone with a susceptible genetic background encounters certain environmental factors, such as pesticides or other chemicals [ see box on this page ], the cells in that individual ' s substantia nigra suffer more stress and accumulate more misfolded proteins than do the same cells in other people
當易發病遺傳體質的人碰了上某些環境因子，例如殺蟲劑或其他化學物質（見右欄環境元凶） ，這些人的黑質神經元，會比其他人更容易受逆境所傷害，摺疊錯誤的蛋白質也堆積得更多。22 paired inferior collicular neurons were obtained in the experiment. the neurons were recorded in the depth of 198 - 1254 u m ( 544. 59 ? 72. 37 n m, m + sd ), and their bfs were 11. 25 - 59. 29 khz ( 26. 77 + 9. 95 khz, m ? d ) : the minimum thresholds ( mts ) werelo - 66 db spl ( 38. 14 ? 14. 39 khz, m + sd ) ; the latencies were 4. 0 - 16. 0 ms ( 8. 19 + 3. 14 ms, m + sd ) ; the best intervals between paired sound pulses were 0. 01 - 28. 71 ms ( 3. 93 + 2. 52 ms, m ? d ) 0 the results showed : l ) there were interactions between the neurons in the iso - frequency lamina and hetero - frequency lamina which included mutual inhibition ( 18 / 22, 81. 8 % ) and mutual facilitation ( 4 / 22, 18. 2 % ), and the mutual inhibition in iso - frequency lamina was stronger than that in hetero - frequency lamina ; 2 ) the mutual inhibition decreased with sound level increasing ( p < 0. 001, anova ) ; 3 ) the analysis of the inhibition of discharge rate at lodb above mt showed that the inhibition increased when the paired neurons " bfs difference decreased ( r = - 0. 545, p = 0. 0006 ) ; 4 ) the mutual inhibition of paired neurons can sharpen the frequency tuning and the effect increased when the frequency was away from the bf ; 5 ) the changes in q10, q30 decreased with bfs difference of the paired neurons increasing ; 6 ) the mutual facilitation between paired neurons not only increased discharge rate, but also widened the frequency tuning, i. e., increased response frequency
結果表明： 1 ）同頻層神經元之間或者非同頻層之間神經元之間存在相互作用，這種作用既有相互抑制（ 18對，佔81 . 8 ） ，也有相互易化（ 4對，佔18 . 2 ） ，且同頻層神經元之間的相互抑制作用較非同頻層神經元之間的相互抑制作用要強； 2 ）神經元對低刺激強度反應時，所受到的相互抑制作用較強，隨著聲刺激強度加大，抑制作用逐步降低（ p 0 . 001 ， anova ） ； 3 ）對閾上10db放電率抑制百分比進行的分析顯示，配對神經元之間的最佳頻率差越小，相互抑制作用越強（ r = - 0 . 545 ， p = 0 . 0006 ） ； 4 ）配對神經元之間通過相互抑制作用可表kx碩士學位論文waiaster 』 sthesis現出調諧銳化作用，該作用的效率與頻率有關， bf處的銳化作用較低，偏離bf時其銳化作用逐步加強； 5 ）頻率銳化作用的效率與bf差有關，隨著配對神經元之間的bf差擴亢q10 ， q30值的變化逐漸減小，其變化百分比與配對神經元之間的頻率差存在明顯相關； 6 ）配對神經元之間的相互易化作用不僅表現在放電率增加上，也表現在頻率調諧曲線的擴寬，即頻率響應范圍擴大。A three - dimensional digitized atlas of human brain, which is high precise, high - speed, and easy to be operated, can help us to observe into the complex structure of human brain clearly. therefore it can be widely used in operation plan, model driven segmentation and neuropathy anatomy teaching
一個高精度、高速度、又易於操作的三維數字化人腦圖譜，能使醫生清楚地看到人腦內部復雜的空間關系，在手術計劃、模型驅動分割及神經解剖教學等方面都有重要的應用。The proportion of the inhibited and facilitated cells ( n = 89 ) was 30 % and l7 %. the latency of the amygdaloid infiuence was 2 ~ 20 ms and the duration ranged from l0 to 78 ms. the latency of l0 % cells was shorter than 5 ms and in 77 % cells it varied from l0 ms to 20 ms
在電刺激杏仁基底核時30 … 89 ）的神經元光反應被抑制， 17神經元光反應被易化；杏仁復合體影響的潛伏期為2 20ms ，時程為10 78ms ，其中10的神經元光反應影響潛伏期小於sins ， 77的影響潛伏期分佈在10 20ms范圍內。But it is n ' t ideal because it is fallible in solving down - to - earth questions. for example, it is easy for the system to fall into local optimization state when learning algorithm is unsuitable. furthermore, there is a conflict between the complexity of network and generalization ability
而神經網路具有一些獨特的優點，如非線性映射、容錯能力等，因而相對于其它方法，神經網路在數據挖掘中具有更大的前景，但神經網路也存在一些問題，比較典型的包括在學習演算法選擇不當時，系統易陷於局部極優狀態，網路的復雜度與泛化能力之間存在矛盾等等。In terms of our results, it is hypothesized that in the central auditory system when the sound information is conducting through continuous synaptic clefts, there are interactions and integrations occurring between the ascending and corticofugal descending pathways with neural inhibition or facilitation so as to realize the neural integration that diverging or converging sound information with new forms, which ensures the neurons tune the sound information with biological significance
據此推測，當神經元的信號在不同聽中樞結構中通過連續的突觸連接時，上行性或離皮層下行性神經抑制或神經易化通路之間在不斷地發生相互作用與整合，從而使得聲信息以新的方式分散或聚合，實現新的神經整合過程，以保證神經元調諧有生物學意義的聲信號。分享友人