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眼手协调控制:视觉和非视觉信息在自我移动目标眼动追踪中的各自作用。

Oculo-manual coordination control: respective role of visual and non-visual information in ocular tracking of self-moved targets.

作者信息

Vercher J L, Quaccia D, Gauthier G M

机构信息

Laboratoire de Contrôles Sensorimoteurs, Université de Provence, Marseille, France.

出版信息

Exp Brain Res. 1995;103(2):311-22. doi: 10.1007/BF00231717.


DOI:10.1007/BF00231717
PMID:7789438
Abstract

We evaluated the role of visual and non-visual information in the control of smooth pursuit movements during tracking of a self-moved target. Previous works have shown that self-moved target tracking is characterised by shorter smooth pursuit latency and higher maximal velocity than eye-alone tracking. In fact, when a subject tracks a visual target controlled by his own arm, eye movement and arm movement are closely synchronised. In the present study, we showed that, in a condition where the direction of motion of a self-moved visual target was opposite to that of the arm (same amplitude, same velocity, but opposite direction of movement), the resulting smooth pursuit eye movements occurred with low latency, and continued for about 140 ms in the direction of the arm movement rather than in the direction of the actual visual target movement. After 140 ms, the eye movement direction reversed through a combination of smooth pursuit and saccades. Subsequently, while arm and visual target still moved in opposite directions, smooth pursuit occurred in pace with the visual target motion. Subjects were also submitted to a series of 60 tracking trials, for which the arm-to-target motion relationship was systematically reversed. Under these conditions subjects were able to initiate early smooth pursuit in the actual direction of the visual target. Overall, these results confirm that non-visual information produced by the arm motor system can trigger and control smooth pursuit. They also demonstrate the plasticity of the neuronal network handling eye-arm coordination control.

摘要

我们评估了视觉和非视觉信息在跟踪自我移动目标过程中对平稳跟踪运动控制的作用。先前的研究表明,与仅用眼跟踪相比,自我移动目标跟踪的特点是平稳跟踪潜伏期更短、最大速度更高。事实上,当受试者跟踪由其自己手臂控制的视觉目标时,眼球运动和手臂运动紧密同步。在本研究中,我们发现,在自我移动视觉目标的运动方向与手臂运动方向相反的情况下(幅度相同、速度相同,但运动方向相反),由此产生的平稳跟踪眼球运动潜伏期较短,并在手臂运动方向上持续约140毫秒,而不是在实际视觉目标运动方向上。140毫秒后,眼球运动方向通过平稳跟踪和扫视的组合而反转。随后,当手臂和视觉目标仍沿相反方向移动时,平稳跟踪与视觉目标运动同步进行。受试者还进行了一系列60次跟踪试验,在此期间,手臂与目标的运动关系被系统地反转。在这些条件下,受试者能够在视觉目标的实际方向上提前启动平稳跟踪。总体而言,这些结果证实了手臂运动系统产生的非视觉信息可以触发和控制平稳跟踪。它们还证明了处理眼臂协调控制的神经网络的可塑性。

相似文献

[1]
Oculo-manual coordination control: respective role of visual and non-visual information in ocular tracking of self-moved targets.

Exp Brain Res. 1995

[2]
Self-moved target eye tracking in control and deafferented subjects: roles of arm motor command and proprioception in arm-eye coordination.

J Neurophysiol. 1996-8

[3]
Oculo-manual tracking of visual targets in monkey: role of the arm afferent information in the control of arm and eye movements.

Exp Brain Res. 1988

[4]
Cerebellar involvement in the coordination control of the oculo-manual tracking system: effects of cerebellar dentate nucleus lesion.

Exp Brain Res. 1988

[5]
Predictive responses of periarcuate pursuit neurons to visual target motion.

Exp Brain Res. 2002-7

[6]
Oculo-manual tracking of visual targets: control learning, coordination control and coordination model.

Exp Brain Res. 1988

[7]
Oculo-manual coordination control: ocular and manual tracking of visual targets with delayed visual feedback of the hand motion.

Exp Brain Res. 1992

[8]
Manual tracking enhances smooth pursuit eye movements.

J Vis. 2015

[9]
Limited Contribution of Primary Motor Cortex in Eye-Hand Coordination: A TMS Study.

J Neurosci. 2017-10-4

[10]
Interactions between ocular motor and manual responses during two-dimensional tracking.

Prog Brain Res. 2003

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[3]
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eNeuro. 2018-12-14

[4]
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Sci Rep. 2018-7-3

[5]
The effect of concurrent hand movement on estimated time to contact in a prediction motion task.

Exp Brain Res. 2018-7

[6]
Three-dimensional binocular eye-hand coordination in normal vision and with simulated visual impairment.

Exp Brain Res. 2018-3

[7]
Limited Contribution of Primary Motor Cortex in Eye-Hand Coordination: A TMS Study.

J Neurosci. 2017-10-4

[8]
Eye Tracking of Occluded Self-Moved Targets: Role of Haptic Feedback and Hand-Target Dynamics.

eNeuro. 2017-7-3

[9]
Role of motor execution in the ocular tracking of self-generated movements.

J Neurophysiol. 2016-12-1

[10]
Eye tracking a self-moved target with complex hand-target dynamics.

J Neurophysiol. 2016-10-1

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