CN108597584A - In conjunction with the three stages brain control upper limb healing method of Steady State Visual Evoked Potential and Mental imagery - Google Patents
In conjunction with the three stages brain control upper limb healing method of Steady State Visual Evoked Potential and Mental imagery Download PDFInfo
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- CN108597584A CN108597584A CN201810181033.9A CN201810181033A CN108597584A CN 108597584 A CN108597584 A CN 108597584A CN 201810181033 A CN201810181033 A CN 201810181033A CN 108597584 A CN108597584 A CN 108597584A
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- G—PHYSICS
- G16—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR SPECIFIC APPLICATION FIELDS
- G16H—HEALTHCARE INFORMATICS, i.e. INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR THE HANDLING OR PROCESSING OF MEDICAL OR HEALTHCARE DATA
- G16H20/00—ICT specially adapted for therapies or health-improving plans, e.g. for handling prescriptions, for steering therapy or for monitoring patient compliance
- G16H20/70—ICT specially adapted for therapies or health-improving plans, e.g. for handling prescriptions, for steering therapy or for monitoring patient compliance relating to mental therapies, e.g. psychological therapy or autogenous training
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- G—PHYSICS
- G16—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR SPECIFIC APPLICATION FIELDS
- G16H—HEALTHCARE INFORMATICS, i.e. INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR THE HANDLING OR PROCESSING OF MEDICAL OR HEALTHCARE DATA
- G16H50/00—ICT specially adapted for medical diagnosis, medical simulation or medical data mining; ICT specially adapted for detecting, monitoring or modelling epidemics or pandemics
- G16H50/50—ICT specially adapted for medical diagnosis, medical simulation or medical data mining; ICT specially adapted for detecting, monitoring or modelling epidemics or pandemics for simulation or modelling of medical disorders
Abstract
The present invention relates to a kind of three stages brain control upper limb healing methods of combination Steady State Visual Evoked Potential and Mental imagery.This method includes：（1）VR videos guide first stage training：It is guided by Virtual Reality video, patient is made to be familiar with upper limb healing action；（2）VR SSVEP second stage is trained：Patient need to focus on observing the picture for representing different upper limks movements and flickering with specific frequency, acquire patient's brain electricity EEG signal in real time, and analysis patient is intended to, gives visual feedback by VR animations, its association is made to focus on；（3）The VR MI phase IIIs train：The EEG signal during patient or so upper extremity exercise imagination MI is acquired when off-line training, establishes Mental imagery intention assessment model.EEG signal when on-line training according to model analysis patient MI, identifies its motion intention, and 3D personage moves in real-time control interface, to promote brain centres nerve to remold using MI.This method property immersed is good, using initiative rehabilitation and incremental, and new method is provided for patients with cerebral apoplexy upper limb healing.
Description
Technical field
The present invention relates to a kind of three stages brain control upper limb healing method of combination Steady State Visual Evoked Potential and Mental imagery,
The guiding first stage training of VR videos, VR-SSVEP second stage can be provided for the upper extremity exercise functional rehabilitation of patients with cerebral apoplexy
Training and VR-MI phase IIIs train.Have the characteristics that safe, the property immersed is good, initiative rehabilitation and incremental.
Background technology
Cerebral apoplexy be due to cerebral ischemic or heamorrhagic lesions and cause brain function lack a kind of disease.According to world health
Organization, the patients with cerebral apoplexy for being more than 48% still have upper limb disorder after entering chronic phase, are caused to daily life
Very big influence.At this stage clinically frequently with treatment means include：Therapist assists patient motion training for treatment, operation to control
Treatment, electronic stimulation etc., it is not only dull, but also lack being actively engaged in for patient, more lack brain kinetic system
It directly participates in, some also require patient to have residual motion function, therefore its therapeutic effect and universality are to be improved.
In order to solve the above problems, people are seeking always a kind of more rational scheme.
Invention content
In view of the deficiencies of the prior art, it is an object of the present invention to provide a kind of combination Steady State Visual Evoked Potentials and movement to think
The three stages brain control upper limb healing method of elephant can provide VR videos guiding for the upper extremity exercise functional rehabilitation of patients with cerebral apoplexy
One stage-training, the training of VR-SSVEP second stage and VR-MI phase IIIs train.Steady State Visual Evoked Potential SSVEP principles
When being the external view stimulation that patient is look at specific frequency, it can generate that feature is apparent relatively stable to hold in its cerebral cortex
Continuous rhythmicity EEG signals.The attention and cognitive ability that patient can be improved by VR-SSVEP training, after its progress
Continuous VR-MI training lays the foundation.Mental imagery MI actively imagines the movement of affected limb by patient, effectively facilitates cerebral nerve
The cortex of injured brain is rebuild in remodeling, improves the function control connection between external limbs and brain, to reach good health
Multiple effect.
To achieve the goals above, the present invention uses following technical proposals：
A kind of three stages brain control upper limb healing method of combination Steady State Visual Evoked Potential and Mental imagery, farsighted health is won using Jiangsu
32 lead brain wave acquisition equipment --- sample frequency 250Hz of company's exploitation, with computer（1）Between led to ICP/IP protocol
Letter, with the computer with rehabilitation training software（1）It constitutes rehabilitation training of upper limbs system to be operated, the brain wave acquisition equipment is
One multi-parameter synchronizer（2）Through an intelligent synchronization center（3）With an amplifier（4）Couple a 32 crosslinking electrode caps
（5）It constitutes, it is characterised in that concrete operation step is as follows：
（1）Installation and operation brain wave acquisition equipment：32 crosslinking electrode caps（5）On electrode acquire user's brain electricity EEG signal, electrode
It is connected to amplifier by conducting wire（4）；Amplifier（4）Pass through analog-to-digital conversion after carrying out Simulation scale-up, analog filtering to EEG signal
For digital signal；Intelligent synchronization center（3）By Wifi by amplifier（4）, multi-parameter synchronizer（2）With computer（1）Wireless phase
Even, it to keep signal to synchronize, and is communicated by TCP/IP and EEG signal is transferred to computer（1）, in computer（1）Rehabilitation instruction
Practice in software and processing analysis and animated show are carried out to EEG signal；
（2）Rehabilitation training program：
（2-1）VR videos guide first stage training：It guides patient to be trained by Virtual Reality video, patient is made to be familiar with
Related upper limb healing action；
（2-2）VR-SSVEP second stage is trained：VR is combined with Steady State Visual Evoked Potential SSVEP, meeting on computer screen
There are 12 pictures flickered with different specific frequencies, this 12 pictures respectively represents different rehabilitation training of upper limbs actions,
Patient need to focus on watching attentively a wherein pictures；Patient's EEG signal is acquired in real time using brain wave acquisition equipment and passes through allusion quotation
Type correlation analysis CCA Algorithm Analysis goes out the picture that patient is watched attentively, and the rehabilitation which reflects patient is intended to, and passes through calling
The corresponding VR animations of the intention give patient visual's feedback, and patient is made to focus in this stage association, to carry out subsequent set
Middle attention Mental imagery training lays the foundation；
（2-3）The VR-MI phase IIIs train：VR is combined with Mental imagery MI, passes through brain wave acquisition in off-line training step
Equipment acquires the EEG signal during patient or so the upper extremity exercise imagination, and establishes the identification model of patient, is supplied to online instruction
Practice；According to the model when on-line training, and EEG signal is imagined by cospace pattern CSP Algorithm Analysis patient motions, identifies it
Motion intention is simultaneously converted into control command, 3D personage or so upper extremity exercise in real-time control interface, and patient master is utilized to reach
It is dynamic to carry out MI training promotion brain in patients nervous centralis remodelings, improve rehabilitation efficacy.
The step（2-1）In the single training process aiminged drill of VR videos it is as follows：It is corresponding in checking box
Action, and frequency of training a is inputted, each choose can be playd in order on interface and acts corresponding 3D personage's upper limb animation, and is followed
Ring a times；Wherein, 3D personage's upper limb animation includes that the interior receipts of left and right and both upper extremities bucklings-- outward turning pattern --- D1 bucklings are stretched
Exhibition-abduction-inward turning pattern --- D1 stretching, extensions, buckling-abduction-outward turning pattern --- D2 bucklings, stretching, extension-interior receipts-inward turning mould
Formula --- the animation of D2 stretching, extensions.
The step（2-2）In VR-SSVEP training single training process it is as follows：It is moved accordingly in checking box
Making, and inputs frequency of training a and scintillation time b, matrix labotstory MATLAB can draw out 12 pictures corresponding with acting,
After training starts, each picture is flickered b seconds with different frequency, wherein the corresponding picture frame of the first element being checked becomes
Indigo plant, to prompt patient to need to focus on seeing current image, if after flicker in b seconds, program judges that patient sees correct,
3D personage's upper limb animation of respective action will be played by training on interface, after animation play, MATLAB continues at interface to flicker b
Second, the corresponding picture frame of second action being checked becomes blue, and so on；Conversely, if program judges that patient sees not
It is selected picture, can be flickered after MATLAB pauses 1s second, if 3 identification of same picture is not right, what is be checked is next
The picture frame of a action becomes indigo plant and continues to flicker.It is recycled a times by such flow；Wherein, 3D personage's upper limb animation is wanted with right
Ask 2 described consistent.
The step（2-3）In VR-MI training single training process it is as follows：It is divided into off-line training and on-line training：
Off-line training：It is the cross picture presentation of 2s first, prompts patient's rest；Followed by the left upper extremity or right upper extremity that 2s is random
Action video present, prompt patient be ready to and guide upper extremity exercise Imaginary Movement；Be finally 4s in video just now
The consistent arrow artwork of upper limb left and right directions is presented, and left arrow indicates to carry out left upper extremity Mental imagery, and right arrow indicates to carry out right
Upper extremity exercise imagines that patient carries out corresponding Mental imagery task according to arrow prompt；
On-line training：Rehabilitation exercise motion is selected, after clicking " starting to train " button, can occur left arrow or the right side on screen at random
Arrow, patient need to indicate to carry out left upper extremity or right upper extremity Mental imagery according to arrow；If the recognition result and arrow direction that receive
Unanimously, the rehabilitation that the 3D personage in interface will be selected by patient acts, and carries out left upper extremity or right upper extremity movement, otherwise motionless
Make.The movement also can be used as visual feedback, and patient is promoted to generate EEG signal more easy to identify；It is achieved in real-time control interface
The effect of middle 3D personage's upper extremity exercise.
Compared with prior art, the present invention having the advantages that following substantive distinguishing features outstanding and notable：Three trained ranks
Section is incremental, gradually guides study and training of the patient to rehabilitation system, is conducive to the remodeling of motor learning and nervous centralis,
The property immersed and initiative rehabilitation training mode of VR environment all effectively increase subject's participation and training enthusiasm, without suffering from
Person's actual motion is equally applicable the patient of serious loss motor function.
Description of the drawings
Fig. 1 is the combination Steady State Visual Evoked Potential of the specific embodiment of the invention and the three stages brain control upper limb of Mental imagery
The hardware system structure schematic diagram of method of rehabilitation.
Fig. 2 is the combination Steady State Visual Evoked Potential of the specific embodiment of the invention and the three stages brain control upper limb of Mental imagery
Method of rehabilitation flowsheet.
Fig. 3 is the combination Steady State Visual Evoked Potential of the specific embodiment of the invention and the three stages brain control upper limb of Mental imagery
Method of rehabilitation composition frame chart.
Fig. 4 is the single off-line training process example figure of the specific embodiment of the invention.
Fig. 5 is the combination Steady State Visual Evoked Potential of the embodiment of the present invention and the three stages brain control upper limb healing of Mental imagery
Method surface chart.
Fig. 6 is that the VR videos of the embodiment of the present invention aiming drill flow chart.
Fig. 7 is the VR-SSVEP training flow charts of the embodiment of the present invention.
Fig. 8 is the VR-MI training flow charts of the embodiment of the present invention.
Specific implementation mode
Details are as follows for the preferred embodiment of the present invention combination attached drawing：
Embodiment one：
Referring to Fig. 1, this combines the three stages brain control upper limb healing method hardware system of Steady State Visual Evoked Potential and Mental imagery
Details are as follows for structure：32 lead brain wave acquisition equipment --- the sample frequency 250Hz that farsighted Kanggong department exploitation is won using Jiangsu, with electricity
Brain（1）Between communicated with ICP/IP protocol, with the computer with rehabilitation training software（1）Constitute rehabilitation training of upper limbs system
It is operated, the brain wave acquisition equipment is a multi-parameter synchronizer（2）Through an intelligent synchronization center（3）Amplify with one
Device（4）Couple a 32 crosslinking electrode caps（5）It constitutes.32 crosslinking electrode caps（5）On electrode acquire user's brain electricity EEG signal,
Electrode is connected to amplifier by conducting wire（4）；Amplifier（4）Pass through modulus after carrying out Simulation scale-up, analog filtering to EEG signal
Be converted to digital signal；Intelligent synchronization center（3）By Wifi by amplifier（4）, multi-parameter synchronizer（2）With computer（1）Nothing
Line is connected, and to keep signal to synchronize, and is communicated by TCP/IP EEG signal being transferred to computer（1）, in computer（1）Health
Processing analysis and animated show are carried out to EEG signal in multiple training software.
Referring to Fig. 2, this combines the three stages brain control upper limb healing method of Steady State Visual Evoked Potential and Mental imagery, including
Following steps：
（1）VR videos guide first stage training：It guides patient to be trained by Virtual Reality video, patient is made to be familiar with phase
Close upper limb healing action；
（2）VR-SSVEP second stage is trained：VR is combined with Steady State Visual Evoked Potential SSVEP, can be gone out on computer screen
Existing 12 pictures flickered with different specific frequencies, this 12 pictures are respectively represented different rehabilitation training of upper limbs actions, suffered from
Person need to focus on watching attentively a wherein pictures；Patient's EEG signal is acquired in real time using brain wave acquisition equipment and passes through typical case
Correlation analysis CCA Algorithm Analysis goes out the picture that patient is watched attentively, and the rehabilitation which reflects patient is intended to, should by calling
It is intended to corresponding VR animations and gives patient visual's feedback, patient is made to focus in this stage association, to carry out in subsequent set
The training of attention Mental imagery lays the foundation；
（3）The VR-MI phase IIIs train：VR is combined with Mental imagery MI, is set by brain wave acquisition in off-line training step
EEG signal during standby acquisition patient or so the upper extremity exercise imagination, and the identification model of patient is established, it is supplied to on-line training；
According to the model when on-line training, and EEG signal is imagined by cospace pattern CSP Algorithm Analysis patient motions, identifies its fortune
Dynamic intention is simultaneously converted into control command, 3D personage or so upper extremity exercise in real-time control interface, and patient is utilized actively to reach
It carries out MI training and promotes the remodeling of brain in patients nervous centralis, improve rehabilitation efficacy.
Referring to Fig. 3, the step（1）In VR videos guiding by brain control upper limb healing method complete；The step（2）In
Flicker interface draw, eeg signal acquisition and analysis are all completed by signal acquisition-processing system, pass through TCP/IP communications protocol
Realize the communication between brain control upper limb healing system；The step（3）In eeg signal acquisition, modeling and analysis all by believing
Number acquisition-processing system is completed, and the communication between brain control upper limb healing system is realized by TCP/IP communications protocol.
Embodiment two：The present embodiment and embodiment one are essentially identical, and special feature is as follows：
Referring to Fig. 4, the step（3）In the off-line training single training process trained of VR-MI phase IIIs it is as follows：
（1-1）The cross picture of 2s is presented, and prompts patient's rest；
（1-2）The action video of left upper extremity or right upper extremity random 2s is presented, and patient is prompted to be ready to and guide upper extremity exercise
Imaginary Movement；
（1-3）The arrow artwork consistent with upper limb left and right directions in video just now of 4s is presented, and left arrow indicates to carry out left upper extremity
Mental imagery, right arrow indicate that progress right upper extremity Mental imagery, patient carry out corresponding Mental imagery task according to arrow prompt.
Embodiment three：The present embodiment and embodiment two are essentially identical, and special feature is as follows：
Referring to Fig. 5, this combines the three stages brain control upper limb healing method surface chart of Steady State Visual Evoked Potential and Mental imagery, packet
Include VR videos guiding first stage training surface chart（1）（4）, VR-SSVEP second stage train surface chart（2）（4）（5）、VR-
The MI phase IIIs train surface chart（3）（6）（7）, concrete operation step is distinguished as follows：
Referring to Fig. 6, the step（1）In VR videos guiding the first stage training single training process it is as follows：
Choose interface（1）It is acted accordingly in check box, and inputs frequency of training a, interface（4）It is upper to play in order each hook
Choosing acts corresponding 3D personage's upper limb animation, and recycles a times；Wherein, 3D personage's upper limb animation includes left and right and both upper extremities
The interior receipts of buckling-- outward turning pattern --- D1 bucklings, stretching, extension-abduction-inward turning pattern --- D1 stretching, extensions, buckling-abduction-outward turning mould
Formula --- D2 bucklings, stretching, extension-interior receipts-inward turning pattern --- animation of D2 stretching, extensions.
Referring to Fig. 7, the step（2）In VR-SSVEP second stage training single training process it is as follows：
Choose interface（2）It is acted accordingly in check box, and inputs frequency of training a and scintillation time b, matrix labotstory MATLAB
12 pictures corresponding with acting can be drawn out --- interface 5, after training starts, each picture is flickered b seconds with different frequency,
The corresponding picture frame of first element being wherein checked becomes blue, to prompt patient to need to focus on seeing current image,
If after flicker in b seconds, program judges that patient sees correct, training interface（4）On will play the 3D personage of respective action
Upper limb animation, after animation play, MATLAB continues at interface flicker b second, and second be checked acts corresponding picture side
Frame becomes blue, and so on；Conversely, what if program judged that patient sees is not selected picture, can be flickered after MATLAB pauses 1s
Secondary, if 3 identification of same picture is not right, the picture frame for the next action being checked becomes indigo plant and continues to flicker.By this
The flow of sample recycles a times；Wherein, consistent described in 3D personage's upper limb animation and claim 2.
Referring to Fig. 8, the step（3）In the single training process trained of VR-MI phase IIIs it is as follows：It is divided into offline instruction
White silk and on-line training：
Off-line training：At interface（3）Middle selection " off-line training ", into interface（6）After input frequency of training；It clicks and " starts to instruct
After white silk " button, it is that the cross picture of 2s is presented first, prompts patient's rest；Followed by random 2s left upper extremity or right upper extremity
Action video is presented, and patient is prompted to be ready to and guide upper extremity exercise Imaginary Movement；Be finally 4s in video just now on
The consistent arrow artwork of limb left and right directions is presented, and left arrow indicates to carry out left upper extremity Mental imagery, and right arrow indicates to carry out upper right
Limb Mental imagery, patient carry out corresponding Mental imagery task according to arrow prompt；
On-line training：At interface（3）Middle selection " on-line training ", into interface（7）Afterwards, " upper limb D1 bucklings ", " upper limb D1 are clicked
One in stretching, extension ", " upper limb D2 bucklings ", " upper limb D2 stretching, extensions " button, a kind of personage's rehabilitation training of upper limbs is selected to act, input
Training time left arrow or right arrow can occur, patient need to refer to according to arrow at random after clicking " starting to train " button on screen
Show and carries out left upper extremity or right upper extremity Mental imagery；If the recognition result received is consistent with arrow direction, interface（7）In 3D personage
The rehabilitation that will be selected by patient acts, and carries out left upper extremity or right upper extremity movement, is otherwise failure to actuate.The movement also can be used as vision
Feedback promotes patient to generate EEG signal more easy to identify；It is achieved in the effect of 3D personage's upper extremity exercise in real-time control interface
Fruit.
Claims (4)
1. a kind of three stages brain control upper limb healing method of combination Steady State Visual Evoked Potential and Mental imagery, is won farsighted using Jiangsu
32 lead brain wave acquisition equipment --- sample frequency 250Hz of Kanggong department exploitation, with computer（1）Between carried out with ICP/IP protocol
Communication, with the computer with rehabilitation training software（1）It constitutes rehabilitation training of upper limbs system to be operated, the brain wave acquisition equipment
It is a multi-parameter synchronizer（2）Through an intelligent synchronization center（3）With an amplifier（4）Couple a 32 crosslinking electrode caps
（5）It constitutes, it is characterised in that concrete operation step is as follows：
（1）Installation and operation brain wave acquisition equipment：32 crosslinking electrode caps（5）On electrode acquire user's brain electricity EEG signal, electrode
It is connected to amplifier by conducting wire（4）；Amplifier（4）Pass through analog-to-digital conversion after carrying out Simulation scale-up, analog filtering to EEG signal
For digital signal；Intelligent synchronization center（3）By Wifi by amplifier（4）, multi-parameter synchronizer（2）With computer（1）Wireless phase
Even, it to keep signal to synchronize, and is communicated by TCP/IP and EEG signal is transferred to computer（1）, in computer（1）Rehabilitation instruction
Practice in software and processing analysis and animated show are carried out to EEG signal；
（2）Rehabilitation training program：
（2-1）VR videos guide first stage training：It guides patient to be trained by Virtual Reality video, patient is made to be familiar with
Related upper limb healing action；
（2-2）VR-SSVEP second stage is trained：VR is combined with Steady State Visual Evoked Potential SSVEP, meeting on computer screen
There are 12 pictures flickered with different specific frequencies, this 12 pictures respectively represents different rehabilitation training of upper limbs actions,
Patient need to focus on watching attentively a wherein pictures；Patient's EEG signal is acquired in real time using brain wave acquisition equipment and passes through allusion quotation
Type correlation analysis CCA Algorithm Analysis goes out the picture that patient is watched attentively, and the rehabilitation which reflects patient is intended to, and passes through calling
The corresponding VR animations of the intention give patient visual's feedback, and patient is made to focus in this stage association, to carry out subsequent set
Middle attention Mental imagery training lays the foundation；
（2-3）The VR-MI phase IIIs train：VR is combined with Mental imagery MI, passes through brain wave acquisition in off-line training step
Equipment acquires the EEG signal during patient or so the upper extremity exercise imagination, and establishes the identification model of patient, is supplied to online instruction
Practice；According to the model when on-line training, and EEG signal is imagined by cospace pattern CSP Algorithm Analysis patient motions, identifies it
Motion intention is simultaneously converted into control command, 3D personage or so upper extremity exercise in real-time control interface, and patient master is utilized to reach
It is dynamic to carry out MI training promotion brain in patients nervous centralis remodelings, improve rehabilitation efficacy.
2. the three stages brain control upper limb healing side of combination Steady State Visual Evoked Potential according to claim 1 and Mental imagery
Method, it is characterised in that：The step（2-1）In the single training process aiminged drill of VR videos it is as follows：In checking box
Corresponding action, and frequency of training a is inputted, each choose can be playd in order on interface acts main drive on corresponding 3D personage
It draws, and recycles a times；Wherein, 3D personage's upper limb animation includes the interior receipts of left and right and both upper extremities bucklings-- outward turning pattern --- D1
Buckling, stretching, extension-abduction-inward turning pattern --- D1 stretching, extensions, buckling-abduction-outward turning pattern --- D2 bucklings, stretching, extension-interior receipts-inward turning
Pattern --- the animation of D2 stretching, extensions.
3. the three stages brain control upper limb healing side of combination Steady State Visual Evoked Potential according to claim 1 and Mental imagery
Method, it is characterised in that：The step（2-2）In VR-SSVEP training single training process it is as follows：Phase in checking box
The action answered, and frequency of training a and scintillation time b are inputted, matrix labotstory MATLAB can draw out corresponding with acting 12
A picture, after training starts, each picture is flickered b seconds with different frequency, wherein the corresponding picture of the first element being checked
Frame becomes blue, and to prompt patient to need to focus on seeing current image, if after flicker in b seconds, program judges that patient sees
It is correct, will play 3D personage's upper limb animation of respective action on training interface, after animation play, the interfaces MATLAB after
Continuous flicker b seconds, the corresponding picture frame of second action being checked become blue, and so on；Conversely, if program judges patient
What is seen is not selected picture, can flicker after MATLAB pauses 1s second, if 3 identification of same picture is not right, be checked
Next action picture frame become indigo plant continue to flicker, by such flow cycle a times；Wherein, 3D personage's upper limb animation with
It is consistent described in claim 2.
4. the three stages brain control upper limb healing side of combination Steady State Visual Evoked Potential according to claim 1 and Mental imagery
Method, it is characterised in that：The step（2-3）In VR-MI training single training process it is as follows：It is divided into off-line training and online instruction
Practice：
Off-line training：It is the cross picture presentation of 2s first, prompts patient's rest；Followed by the left upper extremity or right upper extremity that 2s is random
Action video present, prompt patient be ready to and guide upper extremity exercise Imaginary Movement；Be finally 4s in video just now
The consistent arrow artwork of upper limb left and right directions is presented, and left arrow indicates to carry out left upper extremity Mental imagery, and right arrow indicates to carry out right
Upper extremity exercise imagines that patient carries out corresponding Mental imagery task according to arrow prompt；
On-line training：Rehabilitation exercise motion is selected, after clicking " starting to train " button, can occur left arrow or the right side on screen at random
Arrow, patient need to indicate to carry out left upper extremity or right upper extremity Mental imagery according to arrow；If the recognition result and arrow direction that receive
Unanimously, the rehabilitation that the 3D personage in interface will be selected by patient acts, and carries out left upper extremity or right upper extremity movement, otherwise motionless
Make, which also can be used as visual feedback, and patient is promoted to generate EEG signal more easy to identify；It is achieved in real-time control interface
The effect of middle 3D personage's upper extremity exercise.
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