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左侧优势
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  left-side dominance
     It also indicates that the left-side dominance in vocal control, is not only exhibited in the high vocal center (HVC) and nucleus robustus archistriatalis (RA), the higher vocal centers, but also in DM, the lower vocal center. There are internal connections between the high vocal centers and basic vocal centers in songbirds.
     这与高级发声中枢(high vocal center, HVC)和古纹状体粗核(nucleus robustus archistriatalis,RA)等发声控制核团在控声模式中具有左侧优势的特征相似,从而为鸣禽发声控制通路高、低级中枢具有内源投射关系提供了声学上的证据。
短句来源
     The results showed that the duration and the width of main energy band of the evoked calls from left-side DM were twice and 1.7 to 3.1 times longer than that of the right side in sonograms and spectra respectively. It suggests that DM has left-side dominance in both length and energy of evoked-call.
     经语图和频谱图分析,结果显示:燕雀左侧DM诱发单次叫声的声长和主能量区的带宽分别为右侧DM诱发叫声的2倍和1.7~3.1倍,提示燕雀DM对叫声声长和声强的调控能力,均呈明显的左侧优势
短句来源
  left dominant
     THE DIFFERECE OF SEX ON VOCAL—CENTRE OF FOREBRAIN AND LEFT DOMINANT IN SONGBIRD
     鸣禽鸟大脑发声中枢的性别差异和左侧优势
短句来源
     That the calls from left HVC have higher starting and ending frequency than that of right HVC suggests left HVC control the higher frequency and more complicated syllables, the results provide the evidence for left dominant theory of the vocal control.
     刺激左侧HVC所诱发的叫声 ,其基本音的频带起止均明显高于右侧诱发叫声 ,暗示左侧HVC控制频率较高、较复杂的音节 ,也为左侧优势理论提供了声学上的证据 .
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  left dominance
     Results:1.drainage dominance of the CS, the right dominance is in 58%,the left dominance is in 26%,and the equal drainage is in 16%.
     结果:①窦汇的分流优势,右侧优势占58%,左侧优势26%,对称分流16%。
短句来源
     The evident left dominance appears at controlling vocal nuclei, pathway in songbird.
     鸣禽控制发声的核团及神经通路具有明显的左侧优势
短句来源
     The left dominance does not appear at controlling vocal nuclei, pathway in anura amphibia.
     无尾两栖类控制发声的核团及神经通路尚未形成左侧优势
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  “左侧优势”译为未确定词的双语例句
     (3) Diameter of left vertebral artery was bigger (P<0.01 ).
     (3)椎动脉内径左侧优势(P<0.01)。
短句来源
     3.Francois' langur showed significant(P<0.05)or most significant(P<0.01) left-side superiority,in levels of group and sex-age classes.
     3.统计分析表明黑叶猴的群体、成体、青年体、雄性、雌性以及大部分个体具有显著(P<0.05),或极显著(P<0.01)的左侧优势现象。
短句来源
     In hypnotized state, slow waves of the highs showed much more greater left hemisphere dominant, and the amplitudes of α and β activities showed far more greater right hemisphere dominant.
     催眠状态下高感受性个体的慢波活动的左侧优势仍更为明显,α波和β波振幅的右侧优势仍更加突出。
短句来源
     In waking state, slow waves and alpha-2 activities of the highs showed greater left hemisphere dominant, and the amplitudes of θ, α, β activities showed greater right hemisphere dominant, while slow waves and amplitudes of the lows showed no hemisphere dominance.
     高感受性个体在清醒状态下慢波活动和α-2活动呈现更明显的左侧优势,θ,α,β的振幅呈现更明显的右侧优势,而低感受性个体的慢波活动及振幅没有半球优势;
短句来源
     Highly active areas were observed in the prefrontal cortex and the MrD with predominance by the left side during performance of the working memory task, while other regions of the neostriatum were not excited.
     功能磁共振结果显示受试者在进行听觉数字工作记忆时具有左侧优势的双侧前额叶皮层和左侧纹状体边缘区均有激活,出现高信号区,其他脑区激活不明显。
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  left-side dominance
Directional asymmetry and correlation of tail injury with left-side dominance occur in Serpentes (Sauropsida)
      
Left-side dominance for song discrimination in Bengalese finches (Lonchura striata var.
      
Its expression gradually comes to have a left-side dominance as a consequence of nodal flow.
      
  left dominant
Seven of eight right-handed psychiatric patients had greater right-than left-sided dyskinesias, a finding which pointed to pharmacological vulnerability in the left dominant hemisphere.
      
This P100 latency shortening could also be verified for both right dominant and left dominant eyes with no significant difference between them.
      
Accordingly, from this study the force error and movement-related cortical potentials would indicate that the left dominant hemisphere is specialized not only for unilateral contractions but also for bilateral contractions.
      
The left dominant aortic arch ran retroesophageally to the right and joined with the right smaller arch to form the descending thoracic aorta on the right side.
      
Left dominant type was the least frequent one with 16 cases (10%), in which SSS drained to the left, in a mirror image to the right dominant type.
      
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  left dominance
Passively transmitted sounds introduced at the mouth, however, are known to lateralise, with right-over-left dominance in power at the anterior upper chest.
      
At standardised air flow, breath sound intensity shows a right-over-left dominance at the anterior upper chest, similar to passively transmitted sounds.
      
In contrast to the naming task, there was apparent left dominance in the lexical-decision task.
      


The basilar dendrites and spines of pyramidal cells in the planum temporale and auditory cortex of 5 chinese adult brains were studied using Golgi imperegnation and computerised image analyser. The results were as follows: (1) The numbers of the lower basilar dendrites orders 1-3 of the pyramidal cells in the planum temporale were more numerous than those in the auditory cortex, but the numbers of the basilar dendrites orders 5-6 in the left planum temporale were more numerous than those in the other three areas...

The basilar dendrites and spines of pyramidal cells in the planum temporale and auditory cortex of 5 chinese adult brains were studied using Golgi imperegnation and computerised image analyser. The results were as follows: (1) The numbers of the lower basilar dendrites orders 1-3 of the pyramidal cells in the planum temporale were more numerous than those in the auditory cortex, but the numbers of the basilar dendrites orders 5-6 in the left planum temporale were more numerous than those in the other three areas (right planum temporale and audtfory cortex of 2 sides). (2) The total length of the basilar dendrites in the left planum temporale was longer than those in the other areas. (3)The length of the higher order basilar dendrites(orders 4-6)occupied a greater fraction of the total dendritic length in the left planum temporale than in the other areas. (4)The L-type spines from the third to the fifth orders of the left planum temporale were more numerous than those of the other areas All these maybe related to the complexity and the dominance of the speech function of this area.

对5例新鲜成人男性脑用改良Golgi法和计算机图象分析仪计量分析,研究了颞平面的锥体细胞基树突和树突棘的形态特征,并进行左、右侧对比以及和左、右侧听皮质的相同结构对比。发现:(1)左右侧颞平面锥体细胞第1~3级基树突的平均数量大于左右侧听皮质的同级树突量;但第5~6级树突量左侧颞平面不仅大于左右侧听皮质的同级树突量,也大于右侧颞平面;(2)左侧颞平面锥体细胞基树突总长度大于其它三个区域;各级分支的平均长度除左侧颞平面第6级大于其它三个区域外,其余各区域的各级分支间差别均无统计学意义;(3)左侧颞平面锥体细胞基树突第4~6级分支长度占树突总长度的比例较其它三个区域所占的比例大,(4)第3~5级基树突上L型棘大于其它三个区域。以上结果显示:左侧颞平面锥体细胞的平均树突量、总长度均占优势,为语言功能的左侧优势提供了形态学的依据。

The fibers connections of the telencephalic vocal control centre, thehyperstriatum ventrale, pars caudale(HVc) and the left dominant hemisphere of robustnucleus of the archistriatum(RA) were studied using anterograd and retrograde H RP trac-ingmethods. After in jecting HRP into HVc, the densely labelled fibers and terminals werefound in ipsilateral nucleus RA, tractus archistriatalis dorsalis(DA )and area X of lobusparolfactorius. As for the locus ceruleus(LoC) of the pons,nucleus uvaeformis(Uva) ofthe thalamus,...

The fibers connections of the telencephalic vocal control centre, thehyperstriatum ventrale, pars caudale(HVc) and the left dominant hemisphere of robustnucleus of the archistriatum(RA) were studied using anterograd and retrograde H RP trac-ingmethods. After in jecting HRP into HVc, the densely labelled fibers and terminals werefound in ipsilateral nucleus RA, tractus archistriatalis dorsalis(DA )and area X of lobusparolfactorius. As for the locus ceruleus(LoC) of the pons,nucleus uvaeformis(Uva) ofthe thalamus, telencephalic auditory field(Field L),nucleus interfacialis(NIf) ofmidneostriatum, and medial nucleus naginocellularis of the anterior neostriatum(mMAN), there were retrogradely labelled neurons.Moreover,the left RA is l.5 times thesize of the rlght RA. The results indicate the high vocal control centre HVc projects to RAand area X, on the other hands, HVc receives projections from LoC、Uva、field L、NIF andmM AN Nuclei X、mMAN、 Nlf and Uva involve witli vocal control、song learning andmemory functions. Field L is the highest auditory centre. Nucleus LoC regulates vagetativefuiiction and emotioiial reactions.Therefore,the high vocal control centre also recelves theregtilations of the centres of song learniing、 auditory memory、 vegetative and emotional re-action,There is a left dominant hemisphere in the vocal control motor centre-RA

用HRP顺、逆行追踪方法,研究金丝雀端脑发声控制中枢上纹状体腹侧尾端核(HVc)的纤维联系及古纹状体株核(RA)的左半球优势现象。结果表明,HVc投射到发声控制的主要运动中枢RA以及嗅叶的X区;HVc接受蓝斑核、丘脑葡萄形核、端脑听区、新纹状体中部界面核和新纹状体前部大细胞核内侧部的传入投射.提示HVc亦参与发声学习、听觉记忆及植物性和情绪性反应等功能.此外,发声控制的主要运动中枢RA具有左侧优势现象

rom evolving aspect controlling vocal nuclei, neural pathway in songbird (coccothraustes) coccothraustes and anura amphibia (Rana nigromalata, Rana chensinensis, bufo gargarizans) were studied comparatively by horseradish perodase (HRP) transport method from peripheral nerve to centre. The result indicates: 1. Songbird hawfinch controls vocal nuclei and neural pathway: Nucleus intermedium (IM) is an important elementary motor nucleus of controlling vocalization in medulla. IM receives directly innervating...

rom evolving aspect controlling vocal nuclei, neural pathway in songbird (coccothraustes) coccothraustes and anura amphibia (Rana nigromalata, Rana chensinensis, bufo gargarizans) were studied comparatively by horseradish perodase (HRP) transport method from peripheral nerve to centre. The result indicates: 1. Songbird hawfinch controls vocal nuclei and neural pathway: Nucleus intermedium (IM) is an important elementary motor nucleus of controlling vocalization in medulla. IM receives directly innervating of both side nucleus robustus archistriatalis (RA), and ipsilateral nucleus dorsalis medialis (DM). IM also sends hypoglossal nerve (NXII) by tracheosyringeal (NXIIts) and innervats m.syringeus. The evident left dominance appears at controlling vocal nuclei, pathway in songbird. 2. Anura amphibia (Rana nigromalata, Rana chensinensis, bufo gargarizans) controls vocal nuclei and neural pathway: The motor nucleus of cranial nerves (nIX X) is an important elementary nucleus of controlling vocalization in medulla. nIX X receives directly innervating of nucleus reticularis inferior (Ri) and pretrigeminal nucleus of the dorsal tegental area of the medulla (DTAM), the innervating is main ipsilateral. nIX X also sends fiber projecting to DTAM and forms short foodback ring in lower brainstem, nIX X sends again vagus nerve (NX) by long laryngeal nerve, short laryngeal nerve and innervates laryngeal muscularity. The left dominance does not appear at controlling vocal nuclei, pathway in anura amphibia.

为从种系进化角度对鸣禽和无尾两栖类控制发声的核团和神经通路作比较研究,用HRP顺、逆行追踪的方法,对锡嘴雀(Coccothraustes)和蛙(Ranamigromalata,Ranachensinenenisis)、蟾蜍(Bufogargarizans)控制发声的神经核团及神经通路,从外周至中枢逐级进行了追踪比较研究。结果表明:1.鸣禽锡嘴雀中间核(IM)是鸣禽延髓中支配发声的重要初级运动神经核团,它分别直接受双侧前脑古纹状体腹内侧栎核(RA)和同侧中脑背内侧核(DM)的支配。IM又发出舌下神经(NXII)经气管鸣管分支(NXIIts)支配鸣肌。鸣禽控制发声的核团及神经通路具有明显的左侧优势。2.无尾两栖类蛙、蟾蜍舌咽-迷走运动核(nIX-X)是无尾两栖类延脑中支配发声的重要初级神经核团,它分别接受以同侧为主的延髓下网状核(Ri)和前三叉神经核(DTAM)的支配。nIX-X也发出侧支纤维投射到DTAM,在低位脑干形成短反馈环路。nIX-X又发出迷走神经(NX)经长喉神经和短喉神经支配喉肌。无尾两栖类控制发声的核团及神经通路尚未形成左侧优势

 
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