Control mechanisms of orienting movements of the head in the vertical direction.

头部在垂直方向上定向运动的控制机制。

基本信息

  • 批准号:
    63480104
  • 负责人:
  • 金额:
    $ 4.54万
  • 依托单位:
  • 依托单位国家:
    日本
  • 项目类别:
    Grant-in-Aid for General Scientific Research (B)
  • 财政年份:
    1988
  • 资助国家:
    日本
  • 起止时间:
    1988 至 1989
  • 项目状态:
    已结题

项目摘要

Forel's field H (FFH) is located in the mesodiencephalic junctional area, rostrodorsal to the red nucleus. Almost all FFH neurons projected to the pontomedullary reticular formation and about half of them further to upper cervical cord. FFH neurons exert excitatory effects on dorsal neck motoneurones both monosynaptically and disynaptically through reticulospinal neurons in the pons and medulla. The effects were almost exclusively to head elevator muscles (biventer cervicis and complexus). Cats were trained to make orienting movements. They stand in front of a perimeter on which 7 light emitting diodes (LEDS) were arrange horizontally and 12 LEDs vertically. When cats, fixating a center LED which had been turned on, direct heads and fixate a new peripheral LED which turned on immediately after switching off the center LED, they were rewarded with a small peace of meet from a small hole opened beneath the LED. Orienting movements of the head in the vertical direction were consist of three components. Neck rotation in which head rotated at neck and trunk joint, head rotation in which heads rotated at the atlanto-occipital joint. Parallel shifts in which the head was lifted or lowered parallelly mainly by forelimb movements.Angular velocity of head movements related linearly to the total amplitudes of head movements. Following bilateral injection of kainic acid into FFH, tonic activity of neck and trunk muscles, increased dramatically for 10-20 hours, decreased for about 70 hours and then recovered.Cats could direct head and eyes to LEDs in the horizontal direction but not in the vertical direction. Cats gradually managed to make orienting movements in vertical direction mainly by parallel shifts. These results suggested that FFH is a premotor center controlling vertical head movements.
福雷尔视野 H (FFH) 位于中间脑交界区,红核的喙背侧。几乎所有 FFH 神经元都投射到脑桥延髓网状结构,其中大约一半进一步投射到上颈髓。 FFH 神经元通过脑桥和延髓中的网状脊髓神经元对背颈运动神经元产生单突触和非突触的兴奋作用。效果几乎完全针对头部升降肌(颈双腹肌和复合肌)。猫被训练做定向动作。他们站在一个边界前面,边界上水平排列着 7 个发光二极管 (LED),垂直排列着 12 个 LED。当猫注视已打开的中心 LED 时,直接将头注视并注视关闭中心 LED 后立即打开的新外围 LED 时,它们会从 LED 下方打开的小孔中获得短暂的平静。头部在垂直方向上的定向运动由三个部分组成。颈部旋转是头部在颈部和躯干关节处旋转,头部旋转是头部在寰枕关节处旋转。平行移动,主要通过前肢运动来平行抬起或降低头部。头部运动的角速度与头部运动的总振幅线性相关。 FFH双侧注射红藻氨酸后,颈部和躯干肌肉的紧张活性在10-20小时内急剧增加,在约70小时内下降,然后恢复。猫可以将头和眼睛在水平方向上对准LED,但不能在垂直方向上对准LED。猫逐渐能够主要通过平行移动来进行垂直方向的定向运动。这些结果表明 FFH 是控制垂直头部运动的前运动中枢。

项目成果

期刊论文数量(52)
专著数量(0)
科研奖励数量(0)
会议论文数量(0)
专利数量(0)
Isa, T.: "Projection pattern of neurons in Forel's field H in the mesencephalon, pons and medulla oblongata." Neuroscience Research, Suppl. 7, S92, 1988.
Isa, T.:“中脑、脑桥和延髓福雷尔视野 H 中神经元的投射模式。”
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    0
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  • 通讯作者:
Itouji,T.: "Effects of lesion of the superior colliculus on orienting movements of the head in the cat." Neuroscience Research. Supp1.9. S88 (1989)
Itouji,T.:“上丘病变对猫头部定向运动的影响。”
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  • 影响因子:
    0
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  • 通讯作者:
Isa, T.: "Effects of lesion of paramedian pontomedullary reticular formation by kainic acid injection on the visually triggered horizontal orienting movements in the cat." Neuroscience Letters 87, 233-239, 1988.
Isa, T.:“注射红藻氨酸对脑桥髓质旁正中网状结构的损伤对猫视觉触发的水平定向运动的影响。”
  • DOI:
  • 发表时间:
  • 期刊:
  • 影响因子:
    0
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  • 通讯作者:
Isa, T.: "Subtypes of neurones in Forel's field H as defined by their axonal projection." Neuroscience Letters 90, 95-99, 1988.
Isa, T.:“福雷尔视野 H 中神经元的亚型由轴突投影定义。”
  • DOI:
  • 发表时间:
  • 期刊:
  • 影响因子:
    0
  • 作者:
  • 通讯作者:
Isa,T.: "Control of vertical head movement via Forel's field H." The Head-Neck Sensory Motor System. (1990)
Isa,T.:“通过 Forel 场 H 控制垂直头部运动。”
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  • 影响因子:
    0
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SASAKI Shigeto其他文献

SASAKI Shigeto的其他文献

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{{ truncateString('SASAKI Shigeto', 18)}}的其他基金

Neural Mechanisms Controlling Velocity and Position Guided Orienting
控制速度和位置引导定向的神经机制
  • 批准号:
    13680905
  • 财政年份:
    2001
  • 资助金额:
    $ 4.54万
  • 项目类别:
    Grant-in-Aid for Scientific Research (C)
Development of a System Recording Neural Activity from Moving Animals
记录运动动物神经活动的系统的开发
  • 批准号:
    11558095
  • 财政年份:
    1999
  • 资助金额:
    $ 4.54万
  • 项目类别:
    Grant-in-Aid for Scientific Research (B).
Neural Mechanisms of Head Pursuit and Predictive Orienting
头部追踪和预测定向的神经机制
  • 批准号:
    10680771
  • 财政年份:
    1998
  • 资助金额:
    $ 4.54万
  • 项目类别:
    Grant-in-Aid for Scientific Research (C)
Pathways mediating orienting and visual discrimination and their roles in information processing in cats
介导定向和视觉辨别的通路及其在猫信息处理中的作用
  • 批准号:
    07458258
  • 财政年份:
    1995
  • 资助金额:
    $ 4.54万
  • 项目类别:
    Grant-in-Aid for Scientific Research (B)
Analysis of information processes in pathways concering in orienting and visual discrimination
定向和视觉辨别途径中信息处理的分析
  • 批准号:
    05454678
  • 财政年份:
    1993
  • 资助金额:
    $ 4.54万
  • 项目类别:
    Grant-in-Aid for General Scientific Research (B)
Neural Mechanisms of Visual Discrimination
视觉辨别的神经机制
  • 批准号:
    03454125
  • 财政年份:
    1991
  • 资助金额:
    $ 4.54万
  • 项目类别:
    Grant-in-Aid for General Scientific Research (B)
An analysis of connexions between 2nd and 3rd order of relay neurones in the spinal reflex.
脊髓反射中第二级和第三级中继神经元之间的连接分析。
  • 批准号:
    60480104
  • 财政年份:
    1985
  • 资助金额:
    $ 4.54万
  • 项目类别:
    Grant-in-Aid for General Scientific Research (B)

相似海外基金

Neurophysiologic studies on the neuronal computation underlying orienting movements using mice
使用小鼠进行定向运动的神经元计算的神经生理学研究
  • 批准号:
    20700354
  • 财政年份:
    2008
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    $ 4.54万
  • 项目类别:
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Brainstem control of visual orienting movements
视觉定向运动的脑干控制
  • 批准号:
    6792169
  • 财政年份:
    2001
  • 资助金额:
    $ 4.54万
  • 项目类别:
Brainstem control of visual orienting movements
视觉定向运动的脑干控制
  • 批准号:
    6370509
  • 财政年份:
    2001
  • 资助金额:
    $ 4.54万
  • 项目类别:
Brainstem control of visual orienting movements
视觉定向运动的脑干控制
  • 批准号:
    6525062
  • 财政年份:
    2001
  • 资助金额:
    $ 4.54万
  • 项目类别:
Brainstem control of visual orienting movements
视觉定向运动的脑干控制
  • 批准号:
    6665359
  • 财政年份:
    2001
  • 资助金额:
    $ 4.54万
  • 项目类别:
Activities of cat striatal and cortical neurons associated with orienting movements.
猫纹状体和皮质神经元的活动与定向运动相关。
  • 批准号:
    06680801
  • 财政年份:
    1994
  • 资助金额:
    $ 4.54万
  • 项目类别:
    Grant-in-Aid for General Scientific Research (C)
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