CN210433704U - Vestibular stimulation influences human upper limbs motion control research experimental system - Google Patents
Vestibular stimulation influences human upper limbs motion control research experimental system Download PDFInfo
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- CN210433704U CN210433704U CN201920462792.2U CN201920462792U CN210433704U CN 210433704 U CN210433704 U CN 210433704U CN 201920462792 U CN201920462792 U CN 201920462792U CN 210433704 U CN210433704 U CN 210433704U
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Abstract
The utility model discloses an experimental system for vestibule stimulation influences human upper limbs motion control research. The method comprises the following steps: the swivel chair for vestibular stimulation provides vestibular stimulation to a human body in an experiment; the upper limb movement control device is used for supporting the upper limbs of the human body in the experiment, completing the set upper limb movement control experiment task and triggering the synchronous recording trigger device to start recording signals; the high-speed camera is used for acquiring images of the upper limb movement of a human body in an experiment; the portable surface electromyograph is used for acquiring surface electromyography data of muscles of upper limbs of a human body in an experiment; the portable multi-lead electroencephalograph recorder is used for collecting whole brain electroencephalograms of a human body in an experiment; and the synchronous recording trigger device is used for synchronously starting the high-speed camera, the portable multi-lead surface electromyography and the portable multi-lead electroencephalography recorder to synchronously start data acquisition and marking. The utility model relates to a study vestibule stimulation is to human motion control's experiment platform, can resolve vestibule stimulation to the influence of human random motion control.
Description
Technical Field
The utility model relates to a vestibule stimulation especially relates to a vestibule stimulation influences human upper limbs motion control research experimental system to human influence research field of human body.
Background
Voluntary movement is an important basic ability of the human body, and normal voluntary movement control ability is a basic guarantee for the human body to complete accurate actions. The vestibular nervous system is an important motion perception organ and plays an important role in motion speed, direction perception, balance control and space navigation activities. Clinical evidence indicates that patients with peripheral and central vestibular nervous system disorders have abnormalities in postural control, gait characteristics, and the like. In the field of aerospace, vestibular stimulation has been found to cause random motion control changes of human bodies, and random motion control abnormity has great influence on working capacity of passengers, even has potential flight safety hazards. The random movement of the upper limbs is the main guarantee for the human body to finish the fine operation, and plays an important role in the daily life of the human body. Therefore, the influence mechanism of the vestibule stimulation on the random movement of the human body is disclosed, which has important significance for the clinical rehabilitation of patients with vestibular system diseases and the research of related protective measures in aviation, aerospace and navigation activities.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a vestibule stimulation influences human upper limbs motion control research experimental system, as the experimental platform of research ration vestibule stimulation influence to human upper limbs motion control, to analytic vestibule stimulation have important research meaning to human upper limbs motion control at will.
In order to achieve the above object, the utility model provides a following scheme:
a vestibule stimulation influences human upper limbs movement control research experiment system, includes: the system comprises a swivel chair for vestibular stimulation, an upper limb movement control device, a high-speed camera, a portable multi-lead surface myoelectricity recorder, a portable multi-lead electroencephalogram recorder and a synchronous recording trigger device; the rotary chair for vestibular stimulation is used for providing vestibular stimulation to a human body in an experiment; the upper limb movement control device is used for supporting the upper limbs of the human body in an experiment, completing the set upper limb movement control experiment task and triggering the synchronous recording trigger device to start recording signals; the high-speed camera is used for acquiring images of the upper limb movement of the human body in the experiment; the portable multi-guide surface electromyograph is used for acquiring surface electromyographic data of muscles of upper limbs of a human body in an experiment; the portable multi-lead electroencephalograph recorder is used for collecting whole brain electroencephalograms of a human body in an experiment; the synchronous recording trigger device is used for synchronously starting the high-speed camera, the portable multi-lead surface electromyography and the portable multi-lead electroencephalography recorder to synchronously start data acquisition and marking.
Optionally, the vestibular stimulation swivel chair comprises an electric swivel chair; the electric swivel chair provides quantitative vestibular stimulation to a human body according to set parameters; the set parameters include a rotation time-speed curve, a starting acceleration, a plateau period speed, a deceleration and a plateau period time.
Optionally, the upper limb movement control device comprises a support plate and a movement control task setting system; the support plate is used for supporting the upper limbs of the human body in the experiment and providing a bearing and motion control task implementation place for the motion control task setting system; the motion control task setting system is used for setting a motion control test task and sending a task starting signal to the synchronous recording trigger device; the motion control task setting system comprises an action task starting point automatic control button, an action task end point indicator lamp, a connecting circuit and a direct-current power supply; and the direct current power supply provides power for the action task starting point automatic control button and the action task end point indicator lamp through a connecting circuit.
Optionally, the high-speed camera is located directly above the pointing end point indicator light.
Optionally, the synchronous recording triggering device is composed of a synchronous marking circuit, a circuit connected with the portable multi-lead surface electromyography, a circuit connected with the portable multi-lead electromyography, and a circuit connected with the high-speed camera.
Compared with the prior art, the utility model discloses following technological effect has: the utility model discloses an experimental platform of research ration vestibule stimulation to human upper limbs motion influence, whole brain electricity, many leading surface electromyography and motion image data are gathered simultaneously, realize the synchronous demarcation of brain electricity, myoelectricity and motion image through synchronous record trigger device to realize the synchronous analysis of brain electricity characteristic, myoelectricity characteristic and kinematics characteristic, have important research meaning to the random motion control of analytic vestibule stimulation to human upper limbs.
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In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive labor.
Fig. 1 is a top view of the experimental system for studying and studying the upper limb movement of a human body by using vestibular stimulation according to the embodiment of the present invention;
fig. 2 is a side view of the experimental system for studying the upper limb movement control of the human body affected by vestibular stimulation according to the embodiment of the present invention;
fig. 3 is a functional connection diagram of the components of the embodiment of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
The utility model aims at providing a vestibule stimulation influences human upper limbs motion control research experimental system, as the quantitative research vestibule stimulation to the experimental platform of human upper limbs motion influence, to analytic vestibule stimulation have important research meaning to human upper limbs motion control at will.
In order to make the above objects, features and advantages of the present invention more comprehensible, the present invention is described in detail with reference to the accompanying drawings and the detailed description.
As shown in fig. 1, fig. 2 and fig. 3, an experimental system for studying vestibular stimulation to influence human upper limb movement control includes: the vestibular stimulation swivel chair comprises a swivel chair 1 for vestibular stimulation, an upper limb motion control device 2, a high-speed camera 3, a portable multi-lead surface electromyography 6, a portable multi-lead electroencephalography 5 and a synchronous recording trigger device 4.
The vestibular stimulation swivel chair 1 is used to provide quantitative vestibular stimulation to a subject 7 in an experiment. The rotary chair 1 for vestibule stimulation is an electric rotary chair; the electric swivel chair provides quantitative vestibular stimulation to a human body according to set parameters; the set parameters include a rotation time-speed curve, a starting acceleration, a plateau period speed, a deceleration and a plateau period time. The vestibular stimulation amount is quantitatively set through setting a chair rotation time-speed curve, a starting acceleration, a platform period speed, a deceleration and a platform period time, and the vestibular stimulation amount is used for providing quantifiable vestibular stimulation to a human body in an experiment.
The upper limb movement control device 2 is used for supporting the upper limbs of the human body in the experiment, completing the set upper limb movement control experiment task and triggering the synchronous recording trigger device 4 to start recording signals. The upper limb movement control device 2 comprises a support plate and a movement control task setting system; the support plate is used for supporting the upper limbs of the human body in the experiment and providing a bearing and motion control task implementation place for the motion control task setting system; the motion control task setting system is used for setting a motion control test task and sending a task starting signal to the synchronous recording trigger device 4; the motion control task setting system comprises an action task starting point automatic control button, an action task end point indicator lamp, a connecting circuit and a direct-current power supply; and the direct current power supply provides power for the action task starting point automatic control button and the action task end point indicator lamp through a connecting circuit. In the experiment, a subject 7 presses an action task starting point automatic control button, an action task end point indicator lamp is turned on, a main test issues a task starting point indication through a password, the subject indication releases the action task starting point automatic control button, the action end point indicator lamp is turned off immediately, and the subject indication points to the position of the action task end point indicator lamp. The position of the action task end point indicator light is manually placed at different locations according to the needs of the research objective.
The high-speed camera 3 is used for collecting images of the movement of the upper limbs of the human body in the experiment. The high-speed camera 3 can manually adjust the position of the machine along with the position of the action task end point indicator lamp, so that the high-speed camera 3 is positioned right above the action task end point indicator lamp, and the most accurate kinematic data acquisition of the upper limb pointing task is ensured.
The portable multi-guide surface electromyograph 6 is used for collecting the surface electromyogram number of the muscle of the upper limb of the human body in an experiment; the portable multi-lead electroencephalograph 5 is used for collecting whole brain electroencephalogram data of a human body in an experiment.
The synchronous recording trigger device 4 is respectively connected with the upper limb movement control device 2, the high-speed camera 3, the portable multi-lead surface electromyography (PMG) 6 and the portable multi-lead electroencephalogram recorder 5. The same recording trigger device 4 is used for automatically sending trigger signals to the high-speed camera 3, the portable multi-lead surface electromyography 6 and the portable multi-lead electroencephalography 5 to mark data when the subject 7 releases the automatic control button of the starting point of the motion task, and is used for synchronously analyzing kinematics, surface electromyography and electroencephalography in the motion control task process. The synchronous recording trigger device 4 consists of a synchronous marking circuit, a circuit connected with the portable multi-lead surface electromyography, a circuit connected with the portable multi-lead electromyography and a circuit connected with the high-speed camera. The synchronous marking circuit is connected with the motion control task setting system.
The experimental scheme is as follows:
(1) an experimental paradigm: the influence of vestibular stimulation on the motion control of the upper limbs of a human body is researched by taking a pointing motion task as an experimental paradigm. The pointing motion task starting point automatic control button is positioned at about 10 centimeters right in front of the body, and the pointing motion ending point is positioned at a position 20 centimeters from the starting point right in front. The subject indicates that the finger tip starts pointing to the action task every time the start point self-control button is pressed, the end point position is pointed between the fingers, and then the starting point is returned to be one time of the task of pointing to the action. The pointing actions task consists of 30 trials.
(2) Data acquisition: the data to be collected in the experiment include surface myoelectricity, electroencephalogram and kinematic images.
1) Collecting surface myoelectricity of the deltoid muscle, biceps brachii, triceps brachii and brachioradialis of the hand (right hand) by an ME6000 surface electromyography (Mega Electronic Ltd., Kuopio, Finland);
2) the brain electricity is collected by 32-lead whole brain electricity and 4-lead eye electricity through a 32-lead Ag/AgCl electrode cap and a NEURO SCAN NuAmps 40 amplifier (El Paso, Texas, USA), and the placement position of the electrode refers to an international 10-20 brain electricity recording system.
3) The kinematic images were acquired by a high-speed video camera (JVC, malaysia) pointing to the kinematic hand in the action task.
(3) The vestibular stimulation parameters set the swivel chair rotation parameters according to the experimental objective requirements.
(4) Procedure of experiment
1) Referring to fig. 1 and 2, experimental equipment is connected, electroencephalogram and surface myoelectricity are collected, and parameters are set;
2) cleaning skin of the intended sticking position of the electro-ocular electrode and the myoelectric electrode by using an alcohol cotton ball, sitting a subject in an electric swivel chair, beating brain electric paste, sticking the electro-ocular electrode and the myoelectric electrode, and connecting related lines;
3) setting rotation parameters of the electric swivel chair according to experimental contents, and starting the swivel chair after the setting is finished;
4) issuing a test starting command, starting a subject to execute a pointing action task, and collecting 32 brain conduction wave (including), surface myoelectricity and motion video data; and storing the experimental data after the pointing action task is finished, and finishing the experiment.
In the directional movement task of the embodiment, the electric swivel chair is used for carrying out vestibular stimulation on the subject, and the subject carries out a finger movement task in the vestibular stimulation process. In the pointing action task, after a subject presses a starting point automatic control button by a pointer in the task, an indicator lamp is lightened, and after the subject releases the button, the pointer points to the position of the indicator lamp as accurately as possible. When the testee loosens the starting button, the indicator light is turned off, and meanwhile, the mark information is respectively sent to the high-speed camera, the portable multi-lead surface electromyography and the portable multi-lead electroencephalography recorder through the synchronous recording trigger device, so that the synchronous marking of the kinematic image, the surface electromyography and the electroencephalography data is realized. In data analysis, by means of the indicator light and the marking condition, the motion trail of each part of the upper arm, the accuracy degree and the time-course characteristic of the pointing motion after the pointing motion task is started can be respectively analyzed; the myoelectricity change rule of the muscle controlled by the upper limb movement after the action is started, and the change condition of the brain potential before and after the action is started. Through the data of the three different layers, the decision process of the brain in each pointing action task, the transmission process of the motion instruction of the brain in the upper limb and the execution effect of the motion instruction of the upper limb can be analyzed according to the time relationship after synchronous processing, so that the influence of the vestibule on the motion control of the human body can be comprehensively analyzed.
According to the utility model provides a concrete embodiment, the utility model discloses a following technological effect:
the utility model discloses an experimental platform of research ration vestibule stimulation to human upper limbs motion influence gathers brain electricity, flesh electricity and motion image data simultaneously, realizes the synchronous record mark of kinematics image, brain electricity and flesh electricity through synchronous record trigger device to realize the synchronous characteristic analysis of kinematics, brain electricity and flesh electricity, have important research meaning to the random motion control of analytic vestibule stimulation to human upper limbs.
The utility model carries out pointing task operation while vestibular stimulation and records the kinematics parameters such as movement speed, movement accuracy, movement track and the like in the kinematics evaluation movement control task; recording the change condition of the myoelectricity of the muscle recorded in the process of the surface myoelectricity evaluation motion control task; and (3) recording electroencephalogram data to evaluate the decision process of the central nervous system in a motion control task, thereby realizing the purpose of researching the real-time influence mechanism of vestibular stimulation on the human upper limb motion control in the vestibular stimulation process.
The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.
The principle and the implementation of the present invention are explained herein by using specific examples, and the above description of the embodiments is only used to help understand the method and the core idea of the present invention; meanwhile, for the general technical personnel in the field, according to the idea of the present invention, there are changes in the concrete implementation and the application scope. In summary, the content of the present specification should not be construed as a limitation of the present invention.
Claims (5)
1. A vestibule stimulation influences human upper limbs motion control research experimental system which is characterized by comprising: the system comprises a swivel chair for vestibular stimulation, an upper limb movement control device, a high-speed camera, a portable multi-lead surface myoelectricity recorder, a portable multi-lead electroencephalogram recorder and a synchronous recording trigger device; the rotary chair for vestibular stimulation is used for providing vestibular stimulation to a human body in an experiment; the upper limb movement control device is used for supporting the upper limbs of the human body in an experiment, completing the set upper limb movement control experiment task and triggering the synchronous recording trigger device to start recording signals; the high-speed camera is used for acquiring images of the upper limb movement of the human body in the experiment; the portable multi-guide surface electromyograph is used for acquiring surface electromyographic data of muscles of upper limbs of a human body in an experiment; the portable multi-lead electroencephalograph recorder is used for collecting whole brain electroencephalograms of a human body in an experiment; the synchronous recording trigger device is used for synchronously starting the high-speed camera, the portable multi-lead surface electromyography and the portable multi-lead electroencephalography recorder to synchronously start data acquisition and marking.
2. The vestibular stimulation and human upper limb movement control study experimental system according to claim 1, wherein the vestibular stimulation swivel chair comprises an electric swivel chair; the electric swivel chair provides quantitative vestibular stimulation to a human body according to set parameters; the set parameters include a rotation time-speed curve, a starting acceleration, a plateau period speed, a deceleration and a plateau period time.
3. The vestibular stimulation human upper limb movement control study experimental system according to claim 1, wherein the upper limb movement control device comprises a support plate and a movement control task setting system; the support plate is used for supporting the upper limbs of the human body in the experiment and providing a bearing and motion control task implementation place for the motion control task setting system; the motion control task setting system is used for setting a motion control test task and sending a task starting signal to the synchronous recording trigger device; the motion control task setting system comprises an action task starting point automatic control button, an action task end point indicator lamp, a connecting circuit and a direct-current power supply; and the direct current power supply provides power for the action task starting point automatic control button and the action task end point indicator lamp through a connecting circuit.
4. The vestibular stimulation to influence human upper limb movement control study experimental system of claim 3, wherein the high speed camera is located directly above the action task end point indicator light.
5. The vestibular stimulation human upper limb movement control research experiment system according to claim 1, wherein the synchronous recording trigger device is composed of a synchronous marking circuit, a circuit connected with the portable multi-lead surface electromyography, a circuit connected with the portable multi-lead electroencephalography and a circuit connected with the high-speed camera.
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| CN109907932A (en) * | 2019-04-08 | 2019-06-21 | 中国航天员科研训练中心 | A kind of vestibular stimulation influence human upper limb locomotion control research experiment system |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109907932A (en) * | 2019-04-08 | 2019-06-21 | 中国航天员科研训练中心 | A kind of vestibular stimulation influence human upper limb locomotion control research experiment system |
| CN109907932B (en) * | 2019-04-08 | 2023-12-26 | 中国航天员科研训练中心 | Human upper limb movement control research experiment system influenced by vestibular stimulation |
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