WO2017045317A1 - 脑事件相关电位多功能实验舱 - Google Patents

脑事件相关电位多功能实验舱 Download PDF

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Publication number
WO2017045317A1
WO2017045317A1 PCT/CN2016/000461 CN2016000461W WO2017045317A1 WO 2017045317 A1 WO2017045317 A1 WO 2017045317A1 CN 2016000461 W CN2016000461 W CN 2016000461W WO 2017045317 A1 WO2017045317 A1 WO 2017045317A1
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cabin
experimental
experiment
laboratory
chamber
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PCT/CN2016/000461
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English (en)
French (fr)
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元小冬
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开滦总医院
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Publication of WO2017045317A1 publication Critical patent/WO2017045317A1/zh

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    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/24—Detecting, measuring or recording bioelectric or biomagnetic signals of the body or parts thereof
    • A61B5/316—Modalities, i.e. specific diagnostic methods
    • A61B5/369—Electroencephalography [EEG]

Definitions

  • the invention relates to a medical device used for human brain electrophysiology experiments, in particular to a brain event related potential (ERP) multifunctional experimental cabin.
  • ERP brain event related potential
  • ERP is the most important means to study the mechanism of brain cognitive function. Due to the high requirements on equipment and personnel and experimental environmental conditions, the required site area is large, and normal spontaneous brain electricity is generally in the range of several microvolts to 100 microvolts. In addition, the brain's event cognitive potential is generally only 2 to 10 microvolts, and is usually buried in a large number of spontaneous brain waves. At the same time, brain cognitive potentials and spontaneous brain potentials are not only easily interfered by electric fields, magnetic fields and electromagnetic waves of various electrical equipment, high-frequency electric radiation sources, but also external factors such as various external sounds, light, and staff operations.
  • the technical problem to be solved by the invention is to solve the specific ventilation, humidity, oxygen supply and sound, light and electricity environment problems required for the ERP experiment in the cabin on the basis of the conventional electromagnetic shielding cabin, and simultaneously monitor the subject and the experiment.
  • the state of all the experimental systems in the cabin can provide convenient, fast and effective comprehensive control for all experimental equipment according to the experimental requirements, and provide humanized services such as voice intercom and background music, thereby maximally avoiding various electromagnetic signals.
  • the environmental factors such as noise and the impact on the accuracy of the experimental process and the results of the collection; throughout the experimental process, the staff can complete the regulation of the ERP experiment and the cabin experimental environment in the operation console outside the experimental cabin, to achieve only occupation
  • a brain event-related potential multifunctional experiment cabin includes an experimental cabin and a laboratory disposed adjacent thereto, wherein the experimental cabin is a conventional electromagnetic shielding experimental cabin, and an experimental cabin internal air return device is installed or placed inside the experimental cabin, independently Line and power supply device, background music player, infrared video monitoring device, in-cabin voice intercom device, curtain electric control device, double control lighting device inside and outside the experimental cabin, negative ion oxygen supply device, experimental table and chair; There is an operation console, which respectively controls the background music playing device, the infrared video monitoring device, the in-cabin voice intercom device, the curtain electric control device, and the double control lighting device inside and outside the experiment cabin.
  • the invention installs and perfects the return air device, the independent grounding and power supply device, the background music device, the infrared video monitoring device, the voice intercom device, the electric control curtain device, the negative ion oxygen supply device, and the cabin through the conventional electromagnetic shielding cabin.
  • Internal and external dual control lighting device, special inspection table and chair, as well as dedicated operation console and simple shampoo equipment outside the experimental cabin effectively solve the special ventilation, humidity, oxygen supply, sound and light required for ERP experiments in the experimental cabin.
  • electrical environment, and the same Steps monitor the working status of the subject and the experimental instrument system in the experimental cabin, voice intercom communication, humanized service and other issues.
  • the utility model has the advantages of small occupied space, compact experimental procedure, safer and more humanized experimental environment, less interference with environmental factors in the experimental process, and the obtained ERP signal is more accurate, true and reliable, which is not only suitable for high-precision ERP research experiments, but also It is especially suitable for the diagnosis and research of clinical hospitals and various types of cognitive impairment patients, with obvious benefits.
  • One side wall of the chamber of the experimental cabin is a wall of the laboratory, and the side wall of the chamber is provided with a door connected to the laboratory and a soundproof screen closed window is installed.
  • the experimental cabin is a fully enclosed rectangular parallelepiped structure.
  • the side walls of the cabin and the roof of the tank are composed of metal inner and outer plates and filled with shielding materials and sound insulation materials to form a multi-layer composite body wall.
  • the return air device is installed at the top of the cabin of the experimental cabin, and the return air outlet of the air return device is located at the top position of the experimental cabin behind the seat of the subject.
  • the negative ion oxygen supply device is placed at a corner of one side of the cabin wall behind the seat of the subject in the experimental cabin.
  • a movable experimental table is arranged in the experimental cabin, and a computer keyboard, a mouse, a paper and a pen for the experimental operation of the subject are placed on the experimental table.
  • the operating console in the laboratory is a combined workbench, the number of cabinets being determined by the size of the laboratory room and the overall function of the experimental cabin.
  • the washing machine is arranged in the laboratory, and the shampooing device comprises a water heater and a washing pool.
  • FIG. 1 is a schematic view showing the structure of a laboratory cabin and a laboratory according to an embodiment of the present invention
  • Figure 2 is a plan view showing the side wall of the cabin with the cabin door in the experimental cabin;
  • Figure 3 is a schematic plan view of the top of the experiment cabin
  • Figure 4 is a schematic diagram of the layout of the internal equipment of the experimental cabin
  • experiment cabin 1 laboratory 2; door 3; door 4; operation console 5; water heater 6; wash basin 7; soundproof screen closed window 8; electric control curtain 9: bulkhead dedicated communication hole 10; background music
  • the brain event-related potential multifunctional experimental cabin provided by the embodiment is composed of the experimental cabin 1 and the laboratory 2, and the laboratory 2 is adjacent to the experimental cabin 1 and one compartment of the experimental cabin 1 is provided.
  • the side wall is a wall of the laboratory 2, and the side wall of the cabin 1 is mounted on the side wall of the cabin, and is connected to the laboratory 2 through the door 3, and a soundproof screen is installed on the side wall of the cabin.
  • Window 8 inside the experimental cabin 1 is installed or placed with a return air device 14, a separate ground wire and power supply device, a background music playback device 11, an infrared video monitoring device 12, a voice intercom device inside and outside the cabin, an electric control curtain 9, an experimental cabin inside and outside Double control lighting device 13, negative ion oxygen supply device 15, experimental table and chair; laboratory 2 is provided with door 4 connected to the outside,
  • the operation room 5 is provided with an operation console 5, which is a combined work table, which is composed of four cabinets A, B, C, and D, and controls the background music playing device 11 and infrared rays respectively arranged in the experiment cabin 1.
  • the experimental cabin 1 is a conventional electromagnetic shielding experimental cabin, which is a fully enclosed rectangular parallelepiped structure.
  • the side wall of the cabin and the roof of the cabin are composed of a metal inner panel and an outer panel and a shielding material and a sound insulating material filled between the inner and outer panels.
  • the return air outlet of the return air device 9 is installed at the top position of the left rear compartment of the seat position of the subject, and
  • the special ventilation duct is connected to the outside to maintain a constant micro-return air volume to maintain a good ventilation environment in the experimental cabin 1; at the same time, the ambient temperature in the experimental cabin 1 is controlled at 23 25 ° C to ensure the subject is throughout the experiment. They are all in a good environment.
  • the return air inlet installation position and the return air volume of the air return device 14 should be prevented from directly blowing to the subject's head to avoid direct signal blow to the electrode cap worn by the subject, thereby affecting the accuracy of the experimental result.
  • the start switch of the return air device 14 is installed near the operation console 5 provided in the laboratory 2 to facilitate the operation of the staff.
  • the multi-function experimental cabin should be equipped with independent grounding wire and power supply device to ensure that the ERP experiment in the experimental cabin 1 is protected from the interference of the AC signal, and the accurate acquisition of the ERP signal is affected.
  • Two equipment grounding devices are generally required in Cabin 1.
  • at least one power outlet is installed in the lower part of the inner wall of each side tank, and at least two are installed on the inner wall of the side where the display side is placed.
  • Background music playback device 11 The preparation time for the ERP experiment takes a long time. If it is necessary to enlarge the electrode in the head of the subject, the more the number of electrodes, the longer the time required, so that the subject can be as soon as possible.
  • the built-in background music player is installed on the top of the experiment cabin 1, and the host control device is placed on the operation console 5 set in the laboratory 2, all The connecting lines are accessed through the dedicated communication holes 10 of the bulkhead.
  • a variety of soft and light music can be played, so that the subject can be relaxed, and the subject can be prevented from having an irritable and emotional reaction, so that the ERP experiment can be completed in a better mental state.
  • Infrared video monitoring device 12 An infrared video monitoring probe is installed on the top of the experimental cabin 1 on the left side of the left side of the subject's seat 17, and the video monitoring object is the sitting body including the clear face of the subject, so as to timely understand the experiment. Any changes that occur during the process; in addition, a second infrared video surveillance probe is installed on the experimental bulkhead on the left side of the subject's seat 17, and the video surveillance object is the screen content of the computer monitor that gives the subject an ERP experiment visual stimulus. Understand whether the display is working properly during the experiment.
  • All the lines of the monitoring video device are connected to the video monitoring display and the host on the operation console 5 in the laboratory 2 via the bulkhead-specific communication hole 10, so that the worker can timely understand the subject in the experimental cabin 1 through the monitoring display. And the working state of the instrument changes.
  • the staff can also perform monitoring window conversion and monitoring content playback on the monitoring object of the video monitoring system outside the experimental cabin 1 so as to understand the subjects in different experimental stages at any time without affecting the experimental state of the subject.
  • the status and the stimulus mode content displayed on the display are normal.
  • Voice intercom system inside and outside the experimental cabin the intercom and intercom voice intercom equipment inside and outside the experimental cabin, which is routed through the dedicated communication hole 10 of the bulkhead.
  • the extra-chamber microphone is placed on the operation console 5, so that the staff can communicate with the subject and release the experimental program instructions during the experiment, and the staff can cooperate with the video monitoring to guide the subject to perform the experimental task operation.
  • Electric control curtain 9 Inside the soundproof screen closing window 8 of the experimental cabin 1, a dark electric control curtain 9 capable of completely blocking light is installed, and the control switch is installed around the operation console 5 provided in the laboratory 2, so that not only The subjects were not visually stimulated by the subjects during the experiment because of the light outside the experimental cabin and environmental changes. In addition, it affects the experimental results. At the same time, it can also enable the staff to raise the curtains at any time during the experiment and observe the situation in the experimental cabin.
  • Negative ion oxygen supply device 15 Place negative ion oxygen in the test chamber 1 for equipment 15, the standard should reach the negative ion concentration in the test chamber 1 through the negative ion air supply port to maintain negative ion concentration ⁇ 8 million / cm 3 , humidity 35% RH, to ensure the test No drying or lack of oxygen occurred during the entire experiment.
  • Dual-control lighting device 13 inside and outside the experimental cabin installing light and dark controllable lighting fixtures on the top of the experimental cabin 1 to meet the bright light conditions required by the staff to place the electrodes for the test before the experiment. It is in line with the requirements of the subjects in the soft light environment that relaxes the spirit during the long experiment. At the same time, there are power control switches inside and outside the experimental cabin 1, which is convenient for the staff to operate before and during the experiment.
  • Movable laboratory table 16 Because the area inside the experimental cabin 1 is small, and the distance between the ERP detecting electrode cap and the connecting line of the amplifier is fixed and short, this requires that all necessary devices in the experimental cabin 1 are not only small and flexible. It is versatile and should meet the requirements of the convenience of the staff and the subjective feeling of the subject. Therefore, the experimental table for placing the keyboard and mouse for the experimental operation of the subject during the experiment uses the movable experimental table 16, and the movable pulley is installed at the bottom of the movable experimental table 16, so that the subject is not only quick in performing the experimental operation. Convenient and comfortable. At the same time, the sofa configured for the subject's sitting experiment is not too large or too low, and it is required to meet the comfortable requirements of the subject when sitting on the keyboard.
  • the washing device Since the subject applied a large amount of electrode paste to the scalp when the electrode cap was placed before the experiment, it was necessary to clean the head electrode paste and other dirt after the experiment. For this reason, the washing device was set in the laboratory 2. Including water heater 6, washing basin 7, in order to save space, the collapsible sprinkler is installed on the common hand washing pool, and is connected with the electric water heater installed beside the pool.
  • the main power switch of the multi-function experimental cabin First open the main power switch of the multi-function experimental cabin and enter the preparatory work stage before the experiment. Check that the independent grounding device and power supply unit are normal, and turn on the lighting device in the experimental cabin 1. Then, the return air device 14 is turned on, and the air volume of the return air is checked, and the negative ion oxygen supply device 15 is turned on. After the above device enters the normal operation state, the background music playback device 11 is turned on, and the light and music intensity are adjusted to the subject's feeling optimal state.
  • the participant was asked to sit on the seat 17 of the subject, and the staff completed the preparation work for the tester to place the electrode and the electrode cap before the experiment, and then placed the movable test table 16 on the test keyboard of the subject and The best position of the mouse, then turn on the ERP display and the host.
  • After entering the normal working state turn on and debug the infrared video monitoring device 12 to the displayed image of the subject and the monitor in the experimental cabin. The effect is satisfactory, and the voice intercom device is turned on.
  • the sound intensity is adjusted to an optimum state, and the electric control curtain 9 of the soundproof screen closing window 8 is lowered.
  • Subjects should be familiar with the environment of the experimental cabin and conduct pre-experimental training to explain the experimental precautions.
  • the simulation pre-experiment was carried out at the operation console 5 in accordance with various experimental procedures of the ERP.
  • the formal ERP experiment is carried out, and the state change of the subject is observed through the video monitoring device throughout the experiment, and the experimental operation of the subject is guided by the voice intercom device.
  • the experiment is over, open the door 3 of the laboratory 1 and take it.
  • the electrode cap of the subject Using the shampoo device in the laboratory 2, the electrode paste and the like on the subject's head were washed away, and after the subject was dried, the subject left the laboratory 2 and the experiment was completed.

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Abstract

一种脑事件相关电位（ERP）多功能实验舱，包括实验舱（1）和与其相邻设置的实验室（2），所述实验舱（1）为常规电磁屏蔽实验舱，实验舱（1）内部安装或放置有实验舱内回风装置（14）、独立地线和电源装置、背景音乐播放装置（11）、红外线视频监控装置（12）、舱内外语音对讲装置、窗帘电动控制装置（9）、实验舱内外双控制照明装置（13），负离子氧供装置（15）、实验桌椅；所述实验室（2）内设置有操作控制台（5），分别控制所述的背景音乐播放装置（11）、红外线视频监控装置（12）、舱内外语音对讲装置、窗帘电动控制装置（9）、实验舱内外双控制照明装置（13）。在较小的场地空间内营造出符合ERP实验所需各种特定环境要求，从而为提高ERP的实验效果和这种技术的广泛推广应用奠定了基础。

Description

脑事件相关电位多功能实验舱 技术领域
本发明涉及用于人体脑电生理学实验的医疗器械，具体是一种脑事件相关电位(ERP)多功能实验舱。
背景技术
目前，对于正常认知功能机制以及认知功能障碍早期诊断技术的研究已经引起科研和临床人员的广泛关注。然而，ERP做为研究脑认知功能机制的最重要手段，由于对于设备和人员以及实验环境条件要求很高，所需场所面积大，正常的自发脑电一般处于几微伏到100微伏之间，而脑的事件认知电位一般只有2到10微伏，通常均淹埋在大量的自发脑电波中。同时，脑认知电位和自发脑电位不但容易受到各种电器设备、高频电辐射源等电场、磁场和电磁波的干扰，而且各种外界声音、光线、工作人员的操作等外界因素也会干扰被试者的心理和精神状态，从而影响脑事件认知电位实验检测结果的真实性、准确性和可靠性，这在很大程度上限制了这种技术的应用和推广工作。因此，急需研发一种在较小的场地空间内赢造出符合ERP实验所需各种特定环境要求的多功能专用实验舱，从而为提高ERP的实验效果和这种技术的广泛推广应用奠定基础，也为这种技术能够进一步在临床医院等复杂环境中进行推广应用提供保证。
发明内容
本发明所要解决的技术问题是在常规电磁屏蔽舱室的基础上，解决舱体内ERP实验所需的特定的通风、湿度、供氧和声、光、电学环境问题，并同步监控被试者和实验舱中的全部实验系统的状态，能够根据实验要求对于所有实验设备进行方便、快捷、有效的综合控制，同时提供语音对讲、背景音乐等人性化服务，从而实现最大程度地避免各种电磁信号和噪声等环境因素对于实验过程和结果采集准确性的影响；在整个实验过程中，工作人员可以在实验舱外的操作控制台完成对于ERP实验和舱内实验环境的调控工作，实现仅占用较小的空间场所，通过多功能专用实验舱技术，准确获取ERP实验测定结果的目的。
本发明解决上述技术问题采用的技术方案是：
一种脑事件相关电位多功能实验舱，包括实验舱和与其相邻设置的实验室，所述实验舱为常规电磁屏蔽实验舱，实验舱内部安装或放置有实验舱内回风装置、独立地线和电源装置、背景音乐播放装置、红外线视频监控装置、舱内外语音对讲装置、窗帘电动控制装置、实验舱内外双控制照明装置、负离子氧供装置、实验桌椅；所述实验室内设置有操作控制台，分别控制所述的背景音乐播放装置、红外线视频监控装置、舱内外语音对讲装置、窗帘电动控制装置、实验舱内外双控制照明装置。
采用上述技术方案的本发明，与现有技术相比，其有益效果是：
本发明通过中常规电磁屏蔽舱的基础上，安装和完善回风装置、独立接地和电源装置、背景音乐装置、红外线视频监控装置、语音对讲装置、电动控制窗帘装置、负离子氧供装置、舱内外双控制照明装置、专用检测桌椅，以及实验舱外专用的操作控制台和简易洗头设备，有效地解决了实验舱内ERP实验所需的特殊的通风、湿度、供氧和声、光、电环境，以及同 步监控被试者和实验舱内实验仪器系统的工作状态、语音对讲交流、人性化服务等问题。实现了占用空间小，实验流程紧凑，实验环境更加安全和人性化，实验过程受环境因素干扰小，获取到的ERP信号更加准确、真实、可靠，这不但适合进行高精度的ERP研究实验，而且特别适用于临床医院和各类认知障碍患者的诊断和研究，具有明显的效益。
作为优选，本发明更进一步的技术方案是：
所述实验舱的一个舱体侧壁即为所述实验室的一面墙体，该舱体侧壁上装有与实验室连通的舱门并安装有隔音屏闭窗。
所述实验舱内，安装有所述隔音屏闭窗的能够完全隔光的深色电动控制窗帘，电动控制窗帘的控制开关安装在实验室内的操作控制台周围。
实验舱为全封闭式长方体结构，舱体侧壁及舱体顶板由金属内板和外板及填充在内，外板之间的屏蔽材料、隔音材料而构成多层复合型舱体壁。
所述的回风装置安装在实验舱的舱体顶部，回风装置的回风口位于被试者坐椅后面的实验舱内顶部位置。
所述负离子氧供装置放置于实验舱内被试者坐椅后面的一侧舱壁角落处。
所述实验舱内设置有可移动实验桌，实验桌上放置有供被试者实验操作用的电脑键盘、鼠标和纸、笔。
所述实验室内的操作控制台为组合式工作台，台柜数量按实验室房间大小和实验舱的总体功能而定。
所述实验室内设置有洗头装置，洗头装置包括热水器，洗水池。
附图说明
图1是本发明实施例的实验舱和实验室平面结构示意图；
图2是实验舱带舱门的舱体侧壁平面示意图；
图3是实验舱内顶部平面示意图；
图4是实验舱内部设备布局示意图；
图中：实验舱1；实验室2；舱门3；门4；操作控制台5；热水器6；洗水池7；隔音屏闭窗8；电动控制窗帘9：舱壁专用连通孔10；背景音乐播放装置11；红外线视频监控装置12；实验舱内外双控制照明装置13；回风装置14；负离子氧供装置15；可移动实验桌16；被试者坐位17。
具体实施方式：
以下结合附图及实施例对本发明作进一步的说明，目的仅在于更好的理解本发明内容。
参见图1至图4，本实施例给出的脑事件相关电位多功能实验舱，由实验舱1和实验室2构成，实验室2与实验舱1相邻设置，实验舱1的一个舱体侧壁即为实验室2的一面墙体，该舱体侧壁上装有实验舱1的舱门3，通过舱门3与实验室2连通，并在该舱体侧壁上安装有隔音屏闭窗8；实验舱1内部安装或放置有回风装置14、独立地线和电源装置，背景音乐播放装置11、红外线视频监控装置12、舱内外语音对讲装置、电动控制窗帘9、实验舱内外双控制照明装置13、负离子氧供装置15、实验桌椅；实验室2设置有与外部连通的门4，实 验室2内设置有操作控制台5，操作控制台5为组合式工作台，由A、B、C、D四台柜组成，分别控制设置在实验舱1内的背景音乐播放装置11、红外线视频监控装置12、舱内外语音对讲装置、电动控制窗帘9、实验舱内外双控制照明装置13。
实验舱1为常规电磁屏蔽实验舱，其为全封闭式长方体结构，舱体侧壁及舱体顶板由金属内板和外板及填充在内、外板之间的屏蔽材料、隔音材料而构成多层复合型舱体壁；舱体地板为屏蔽地板；舱门3为专用屏蔽门；隔音屏闭窗8为双层玻璃透视窗；舱体内测试结果达到GB/T16403 1996《声学测听方法纯音气导和骨导听阈基本测听方法》国家标准的气导数值对房间环境噪声的规定标准。
参见图3，由于ERP检测实验研究一般实验时间较长，为了保障实验舱1内的空气环境状态，在被试者座椅位置的左后方舱顶部位安装了回风装置9的回风口，并经过专用通风管道与外部相通，保持恒定的微回风量以维持实验舱1内良好的通风环境；同时，使实验舱1内的环境温度控制在23 25℃，保证被试者在整个实验过程中均处于较好的环境状态中。
回风装置14的回风口安装位置和回风量应该避免直接吹动到被试者的头部，以避免直接吹到被试者佩戴的电极帽时引起信号伪差，从而影响实验结果的准确性，回风装置14的启动开关安装在实验室2内设置的操作控制台5附近，以便于工作人员操作。
独立地线和电源装置：多功能实验舱要安装独立的接地地线和电源装置，以确保在实验舱1进行ERP实验时避免受到交流电信号的干扰，而影响ERP信号的准确采集，在实验舱1内一般要求安装两个设备接地装置。同时，在每侧舱内壁的下部至少安装一个电源插座，而在放置显示器侧的舱内壁至少要安装两个。
背景音乐播放装置11：ERP实验的前期准备工作所需要的时间较长，如需要在被试者头部安放大量的电极等，电极数量越多所需时间越长，为了使被试者能够尽快适应实验舱内的环境，消除被试者的焦虑和恐惧心理，在实验舱1的顶部安装内置的背景音乐播放音箱，其主机控制装置放置在实验室2内设置的操作控制台5上，所有连接线路均经舱壁专用连通孔10进出。在实验准备阶段可以播放各种柔美的轻音乐，从而使被试者得到放松，避免被试者产生急躁等情绪反应，使其以较好的精神状态完成ERP实验。
红外线视频监控装置12：在被试者坐位17左侧前上方的实验舱1顶部安装一个红外线视频监控探头，视频监控对象为包括被试者清晰面部在内的坐位身体全部，以便及时了解其实验过程中发生的任何变化；另外，在被试者坐位17左侧实验舱壁安装第二个红外线视频监控探头，视频监控对象为给予被试者ERP实验视觉刺激的电脑显示器的屏幕内容，以便及时了解实验过程中显示器的工作状态是否正常。所有监控视频装置的线路均经舱壁专用连通孔10与实验室2内操作控制台5上的视频监控显示器和主机相连接，从而工作人员可以通过监控显示器适时了解实验舱1中的被试者和仪器的工作状态变化。同时，工作人员还可以在实验舱1外对视频监控系统的监控对象进行监控窗口转换、监控内容回放等操作，以便在不影响被试者实验状态的前提下，随时了解不同实验阶段被试者的状态和显示器显示的刺激模式内容是否正常。
实验舱内外语音对讲装置：实验舱内、外语音对讲通话装置，经舱壁专用连通孔10布线， 其中舱外麦克风放置于操作控制台5上，以便于实验过程中工作人员与被试者进行沟通和发布实验程序指令，同时工作人员可联合视频监控指导被试者进行实验任务操作。
电动控制窗帘9：在实验舱1的隔音屏闭窗8内侧，安装能够完全隔光的深色电动控制窗帘9，其控制开关安装在实验室2内设置的操作控制台5周围，这样不但可使被试者在实验过程中不因实验舱外光线、环境变化对被试者产生视觉刺激。而影响实验结果，同时，也能够使工作人员在实验过程中，根据需要随时提升窗帘，观察实验舱内的情况。
负离子氧供装置15：在实验舱1内放置负离子氧供装备15，标准应达到通过负离子送风口使实验舱1内环境保持负离子浓度≥800万个/cm3，湿度35％RH，确保被试者在整个实验过程中不发生干燥和缺氧等情况。
实验舱内外双控制照明装置13：在实验舱1内的顶部安装明暗可控、光线柔和的照明灯具，即能满足工作人员在实验前为被试者安放电极操作时需要的光线明亮状态，又符合被试者在较长的实验过程中能够处于使精神放松的柔和光线环境中的要求。同时在实验舱1内、外均有电源控制开关，从而便于工作人员在实验前和实验中的操作。
可移动实验桌16：因实验舱1内面积较小，而ERP检测电极帽与放大器的连接线之间距离固定，且较短，这就要求实验舱1内的全部必备装置不但要小巧灵活、功能多样，而且应符合工作人员操作方便和被试者主观感觉舒适的要求。因此，在实验过程中用于放置被试者实验操作的键盘和鼠标的实验桌采用可移动实验桌16，可移动实验桌16底部安装可移动滑轮，这样被试者在进行实验操作时不但快捷、方便而且体位舒适。同时，配置用于被试者坐位实验的沙发，不易过大和过低，要符合被试者坐位操作键盘时舒适的要求。
洗头装置：由于被试者在实验前安置电极帽时在头皮部涂了大量电极膏，因此实验结束后需要清洗掉头部的电极膏等污物，为此，实验室2内设置洗头装置，包括热水器6、洗水池7，为了节省空间，在常用的洗手池具上安装可拉缩式喷淋头，并与安装在水池旁的电热水装置相连即可。
本发明的使用方法：
首先打开多功能实验舱的电源总开关，进入实验前的准备工作阶段。检查独立接地装置和电源装置是否正常，开启实验舱1内照明装置。然后，开启回风装置14，并检查回风口风量，再开启负离子氧供装置15。待上述装置进入正常运转状态后，开启背景音乐播放装置11，并将灯光和音乐强度调至被试者感觉最适状态。请被试者坐在被试者坐位17上，工作人员按要求完成为被试者安放电极、带电极帽等实验前的准备工作后，将可移动实验桌16安放在被试者操作键盘和鼠标的最佳位置，再开启ERP显示器和主机，待进入正常工作状态后，开启并调试红外线视频监控装置12至所显示的被试者和实验舱内显示器的图像效果满意，开启语音对讲装置，调节声音强度到最适状态，放下隔音屏闭窗8的电动控制窗帘9。让被试者熟悉实验舱的环境，并进行实验前培训，说明实验注意事项，如果患者无明显的特殊变化或不适，工作人员出舱，关闭实验舱门。在操作控制台5处按照ERP的各种实验流程进行模拟预实验。预实验成功后，进行正式ERP实验，实验全程通过视频监控装置观察被试者的状态变化，并通过语音对讲装置指导被试者的实验操作。实验结束后，打开实验室1的舱门3，取 下被试者的电极帽。应用实验室2内的洗头装置，清洗掉被试者头部的电极膏等污物，为被试者吹干头发后，被试者离开实验室2，实验结束。
以上所述，仅为本发明较佳的具体实施方式，但本发明的保护范围并不局限于此，任何熟悉本技术领域的技术人员在本发明揭露的技术范围内，可轻易想到的变化或替换，都应涵盖在本发明的保护范围之内。

Claims (9)

  1. 一种脑事件相关电位多功能实验舱，其特征在于：包括实验舱和与其相邻设置的实验室，所述实验舱为常规电磁屏蔽实验舱，实验舱内部安装或放置有回风装置、独立地线和电源装置、肯景音乐播放装置、红外线视频监控装置、舱内外语音对讲装置、窗帘电动控制装置、实验舱内外双控制照明装置、负离子氧供装置、实验桌椅；所述实验室内设置有操作控制台，分别控制所述的背景音乐播放装置、红外线视频监控装置、舱内外语音对讲装置、窗帘电动控制装置、实验舱内外双控制照明装置。
  2. 根据权利要求1所述的脑事件相关电位多功能实验舱，其特征在于：所述实验舱的一个舱体侧壁即为所述实验室的一面墙体，该舱体侧壁上装有与实验室连通的舱门并安装有隔音屏闭窗。
  3. 根据权利要求1所述的脑事件相关电位多功能实验舱，其特征在于：所述实验舱内，安装有所述隔音屏闭窗的能够完全隔光的深色电动控制窗帘，电动控制窗帘的控制开关安装在实验室内的操作控制台周围。
  4. 根据权利要求1所述的脑事件相关电位多功能实验舱，其特征在于：实验舱为全封闭式长方体结构，舱体侧壁及舱体顶板由金属内板和外板及填充在内、外板之间的屏蔽材料、隔音材料而构成多层复合型舱体壁。
  5. 根据权利要求1所述的脑事件相关电位多功能实验舱，其特征在于：所述的回风装置安装在实验舱的舱体顶部，回风装置的回风口位上被试者坐椅后面的实验舱内顶部位置。
  6. 根据权利要求1所述的脑事件相关电位多功能实验舱，其特征在于：所述负离子氧供装置放置于实验舱内被试者坐椅后面的一侧舱壁角落处。
  7. 根据权利要求1所述的脑事件相关电位多功能实验舱，其特征在于：所述实验舱内设置有可移动实验桌，实验桌上放置有供被试者实验操作用的电脑键盘、鼠标和纸、笔。
  8. 根据权利要求1所述的脑事件相关电位多功能实验舱，其特征在于：所述实验室内的操作控制台为组合式工作台，台柜数量按实验室房间大小和实验舱的总体功能而定。
  9. 根据权利要求1所述的脑事件相关电位多功能实验舱，其特征在于：所述实验室内设置有洗头装置，洗头装置包括热水器、洗水池。
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