CN107303178A - A kind of method and apparatus of brain function analysis and judgment technological system - Google Patents
A kind of method and apparatus of brain function analysis and judgment technological system Download PDFInfo
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- CN107303178A CN107303178A CN201610258720.7A CN201610258720A CN107303178A CN 107303178 A CN107303178 A CN 107303178A CN 201610258720 A CN201610258720 A CN 201610258720A CN 107303178 A CN107303178 A CN 107303178A
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Abstract
The embodiment of the invention discloses a kind of method and apparatus of brain function analysis and judgment technological system, comprise the following steps:The brain wave information for obtaining measured by the electric imaging instrument of brain first passes on computer and is depicted as the electric imaging figure of brain；Then analysis is identified to the electric imaging figure of brain, determines the type and credit rating of figure, and result is stored in database；According to third dimension, the intersection degree of aesthetic feeling and lines, the tight ness rating of the electric imaging figure of brain, it is classified as 13 kinds of graph styles, according to the intersecting angle of lines, it is divided into orthogonal type again, cuts friendship type, mixed friendship three kinds of angular types of type, according to area, line spacing, gridding, style, third dimension, fullness, integrality, uniformity, Characteristic fluctuation, the zig zag of the figure of the electric imaging figure of brain, figure is divided into special excellent, outstanding, good, medium, general five credit ratings；The model in the data and database of collection is compared by database, the test and evaluation report of different editions is automatically generated the need for according to client and client is transmitted to automatically, it is an object of the invention to provide a kind of method and system of brain function analysis and judgment easy to use, more efficient.
Description
Technical field
The present invention relates to the electric imaging field of brain, more particularly to a kind of method and apparatus of brain function analysis and judgment technological system.
Background technology
Brain is organism inner structure and function most complicated tissue, is also extremely exquisite and perfect information processing system, administers the high-grade movables such as the daily language of the mankind, thinking, sensation, mood, motion.
More and more scientist tends to think, so far, the mankind still know little about it to the understanding of itself brain.
The secret for disclosing brain is the ultimate challenge of new century facing mankind, to the decoding coding of the complexity of its function by be 21 century brain science research hot subject.
Brain science, or Neuscience, are normal function with multi-disciplinary means comprehensive study brain and a new subject of cerebral disease mechanism.
Carry out the research of brain science to open the secret of brain function, prevent and treat the nervous system diseases such as senile dementia, development of new artificial intelligence, excavate the consciousness potential of people, the intellectual level of exploit person, recognize the mankind self etc. have important meaning.
Ou Deng developed countries of America and Japan have formulated the long-range planning of brain science research in 1990s one after another, and declare that 21 century is " brain science epoch ", the function distinguishing of brain is broadly divided into six regions, different zones have different responsibilities, as shown in Figure 1, since it is understood that the partition characteristics of human brain, how about that finds the strengths and weaknesses of everyone brain function
The method of prevalence is " scale assessing method " in the world at present, refers to fill in substantial amounts of question form, someone thinking type and character trait is judged according to the answer to problem in form, so as to excavate his potential ability.
But scale test and appraisal receive the interference of our mood, situation and topic induction, test and appraisal conclusion is with certain personal subjectivity.
The content of the invention
Technical problem to be solved of the embodiment of the present invention is that there is provided a kind of method of brain function analysis and judgment easy to use, more efficient.
The method of the brain function analysis and judgment technological system, comprises the following steps:
(1) the brain wave information for obtaining measured by the electric imaging instrument of brain first passes on computer and is depicted as the electric imaging figure of brain；
(2) analysis is identified to the electric imaging figure of brain, determines the type and credit rating of figure, and result is stored in database；
(3) according to third dimension, the intersection degree of aesthetic feeling and lines, the tight ness rating of the electric imaging figure of brain, 13 kinds of graph styles are classified as, are respectively：Interior square, lotus-shaped flower, tunnel type, array type, hawk mesh type, radar type, singular form, modest type, its alloytype, simple, class square, class lotus type and this type；
(4) according to the intersecting angle of lines, three kinds of angular types are divided into again, are respectively：Orthogonal type：The part at the intersecting angle of lines close to right angle accounts for more than 80%；Cut friendship type：The intersecting angle of lines is almost obtuse angle and the part of acute angle and accounts for more than 80%；Mixed friendship type：It is orthogonal and cut friendship account for 50% or so respectively；
(5) according to area, line spacing, gridding, style, third dimension, fullness, integrality, uniformity, Characteristic fluctuation, the zig zag of the figure of the electric imaging figure of brain, figure is divided into special excellent, outstanding, good, medium, general five credit ratings；
(6) model in the data and database of collection is compared by database, the test and evaluation report of different editions is automatically generated the need for according to client and client is transmitted to automatically.
The embodiment of the present invention additionally provides a kind of equipment of use brain function analysis and judgment method, including signal pickup assembly, the electric imaging instrument of brain and information analysis system, the signal pickup assembly includes electrode cap, the electrode being connected on the electrode cap and the wire being connected with the electrode, the electric imaging instrument of the brain includes metal shell, signal processing circuit is provided with the housing, the electrode cable is provided with the data line interface of the trapezoidal parallel integral type of 25 pins with the electric imaging instrument junction of brain；The electric imaging instrument of the brain is connected by USB or bluetooth with information analysis system.
It is used as the further improvement of the technical program, the electrode is dry-type electrode, the electrode includes electrode tip holder and connects many electrode bars being arranged on below the electrode tip holder, described electrode bar one end is connected with the electrode tip holder, the other end is also connected with being provided with signal amplifier for that can penetrate easily on hair and the rounded nose directly contacted with scalp, the electrode bar.
The signal processing circuit, which is sequentially connected, is provided with pre-amplification circuit, high low pass frequency-selecting filter, two wires amplifying circuit, 50Hz trap circuits, gain adjusting circuit, three-level amplification photoelectric coupling isolation ionization, sampling maintaining A/D change-over circuits and USB controller, power module is additionally provided with the housing, the power module respectively with the pre-amplification circuit, high low pass frequency-selecting filter, two wires amplifying circuit, 50Hz trap circuits, gain adjusting circuit, three-level amplification photoelectric coupling isolation ionization, sampling maintaining A/D change-over circuits and USB controller connection, the sampling maintaining A/D change-over circuit other ends are also connected with being provided with the Bluetooth information transceiver module for being connected with computer.
Implement the embodiment of the present invention, have the advantages that：
Brain of embodiment of the present invention electricity imaging technique is the mathematical modeling set up according to the principle of Chaos, with physics method on the basis of clinical electroencephalogram is studied and is applied（Brain electricity imaging instrument）EEG signals of the people under tranquility are directly collected, computer is transmitted to and carries out coded treatment using digital imaging techniques, intuitively two dimension or the three dimensional physical geometric figure acquired a special sense is depicted as（That is the electric imaging figure of brain）.
Then the information to being obtained, carry out a series of calculate, analysis, can science judgment be made to the thinking medium basis of testee's brain and potential ability, the advantageous characteristic of two temporos of tested four regions of human brain and left and right can more scientifically be pointed out, potential and deficiency, the wisdom feature of human brain is shown with this, intellectual characteristics, emotional characteristics, personal characteristics, trait of thinking feature, and the technology of ability potential advantages, the system is based on the electric imaging technique of brain, combine AI intelligence, cloud computing, a kind of brain function analysis and judgment technological system that the technical proposal research of the current main flow such as big data internet is developed.
It is widely used in children education and home education, psychological consultation and guidance, speciality is selected, senior middle school's applications for university, college students ' seeking jobs and life planning, personnel recruitment and human resource management, and medical treatment, brain physical examination of physical examination mechanism etc., brain electricity imaging technique is on the basis of electroencephalogram, the electroencephalogram of sine wave is depicted as two dimension that is easily recognizing and easily establishing criterion of identification or three-dimensional geometric shapes by particular algorithm, considerably increase the scope of application of electroencephalogram, in conjunction with AI intelligence, cloud computing, the technology of the current main flow such as big data internet, the intelligent expert evaluation system based on the electric imaging technique of brain is set to possess the uniformity of figure discrimination standard, it is intelligent, high efficiency, real-time, from the strong instrument of cognitive brain can only be become as the technology of the research of clinical pathology, it can be widely used in social every field.
Brief description of the drawings
Fig. 1 is square structural representation in the embodiment of the present invention；
Fig. 2 is lotus-shaped flower structural representation of the embodiment of the present invention；
Fig. 3 is tunnel type structural representation of the embodiment of the present invention；
Fig. 4 is array type structural representation of the embodiment of the present invention；
Fig. 5 is hawk mesh type structural representation of the embodiment of the present invention；
Fig. 6 is radar type structural representation of the embodiment of the present invention；
Fig. 7 is singular form structural representation of the embodiment of the present invention；
Fig. 8 is the modest type structural representation of the embodiment of the present invention；
Fig. 9 is its alloytype structural representation of the embodiment of the present invention；
Figure 10 is simple structural representation of the embodiment of the present invention；
Figure 11 is class square structural representation of the embodiment of the present invention；
Figure 12 is class lotus type structural representation of the embodiment of the present invention；
Figure 13 is this type structural representation of the embodiment of the present invention；
Figure 14 is structural representation of the embodiment of the present invention；
Figure 15 is systematic schematic diagram of the embodiment of the present invention；
Figure 16 is statistical chart of the embodiment of the present invention.
Embodiment
To make the object, technical solutions and advantages of the present invention clearer, below in conjunction with accompanying drawing, the present invention is described in further detail.
The method of brain function analysis and judgment technological system of the embodiment of the present invention, comprises the following steps:
(1) brain electric image is passed through first）The brain wave information that instrument obtains measured passes on computer and is depicted as the electric imaging figure of brain；
(2) analysis is identified to the electric imaging figure of brain, determines the type and credit rating of figure, and result is stored in database；
(3) according to third dimension, the intersection degree of aesthetic feeling and lines, the tight ness rating of the electric imaging figure of brain, 13 kinds of graph styles are classified as, are respectively：Interior square, lotus-shaped flower, tunnel type, array type, hawk mesh type, radar type, singular form, modest type, its alloytype, simple, class square, class lotus type and this type；As shown in figures 1-13；Different graph styles represents different meanings in different zones.
Interior side：There is overall situation sight, with the strong ability of stronger logic analysis, logic, heart is more tough and tensile, stubbornness, service awareness is strong；
Lotus flower：With stronger verbal expression skill, be conscientious in one's work, emotion is abundant, heart is more kindhearted.
Tunnel：It dare to open up, be good at cooperation, the ability known with stronger studying new knowledge.
Array：With stronger mathematics computing, control ability, Work team Cohesiveness is strong.
Unusual/radar：Oxyacoia, is good at academic research, knowledge accumulation, farsighted.
Hawk mesh：It is swift in response, personal strivings spirit can be oneself to set up higher target substantially.
(4) according to the intersecting angle of lines, three kinds of angular types are divided into again, are respectively：Orthogonal type：The part at the intersecting angle of lines close to right angle accounts for more than 80%；Cut friendship type：The intersecting angle of lines is almost obtuse angle and the part of acute angle and accounts for more than 80%；Mixed friendship type：It is orthogonal and cut friendship account for 50% or so respectively；
(5) according to area, line spacing, gridding, style, third dimension, fullness, integrality, uniformity, Characteristic fluctuation, the zig zag of the figure of the electric imaging figure of brain, figure is divided into special excellent, outstanding, good, medium, general five credit ratings；
(6) model in the data and database of collection is compared by database, the test and evaluation report of different editions is automatically generated the need for according to client and client is transmitted to automatically.
The embodiment of the present invention additionally provides a kind of equipment of use brain function analysis and judgment method, as shown in figure 14, including signal pickup assembly, the electric imaging instrument of brain and information analysis system, the signal pickup assembly includes electrode cap, the electrode being connected on the electrode cap and the wire being connected with the electrode, the electric imaging instrument of the brain includes metal shell, signal processing circuit is provided with the housing, the electrode cable is provided with the data line interface of the trapezoidal parallel integral type of 25 pins with the electric imaging instrument junction of brain；The electric imaging instrument of the brain is connected by USB or bluetooth with information analysis system.
The electrode is dry-type electrode, the electrode includes electrode tip holder and connects many electrode bars being arranged on below the electrode tip holder, described electrode bar one end is connected with the electrode tip holder, the other end is also connected with being provided with signal amplifier for that can penetrate easily on hair and the rounded nose directly contacted with scalp, the electrode bar.
The signal processing circuit, which is sequentially connected, is provided with pre-amplification circuit, high low pass frequency-selecting filter, two wires amplifying circuit, 50Hz trap circuits, gain adjusting circuit, three-level amplification photoelectric coupling isolation ionization, sampling maintaining A/D change-over circuits and USB controller, power module is additionally provided with the housing, the power module respectively with the pre-amplification circuit, high low pass frequency-selecting filter, two wires amplifying circuit, 50Hz trap circuits, gain adjusting circuit, three-level amplification photoelectric coupling isolation ionization, sampling maintaining A/D change-over circuits and USB controller connection, the sampling maintaining A/D change-over circuit other ends are also connected with being provided with the Bluetooth information transceiver module for being connected with computer.
Its hardware principle of brain electricity imaging instrument is identical with electroencephalograph, is the bioelectric amplifier for obtaining EEG signals.
Its operation principle is that amplifier is to each lead signals by scalp electrode and wire pickup brain wave, input amplifier（8 lead, 16 lead, 32 lead, 64 lead or 128 lead）It is amplified, filters, noise reduction simultaneously changes into data signal and is transmitted to computer, intuitively two dimension or three dimensional physical geometric figure that computer software is depicted as acquiring a special sense by specific coding（That is the electric imaging figure of brain）.
So brain electricity imaging instrument is the tester that a kind of utilization EEG signals are converted to the electric imaging figure of brain.
Instrument casing is metal material, and circuit total digitalization, electronic component is import partses and paster production；Amplifier is connected as two kinds of connected modes of USB or bluetooth with computer, while supporting monitor for 24 hours, i.e., instrument has independent data storage device；Amplifier is changed to two kinds of powering modes of 220V adapters and lithium battery in terms of powering, and can be built in amplifier casing.
Using the data line interface connection electrode cap of the trapezoidal parallel integral type of 25 pins, it is characterized in patching convenient and swift, signal stabilization is strong；USB1.1/2.0/3.0 general-purpose interfaces, while bluetooth equipment can also be connected, can realize the bluetooth wireless connection of instrument and computer by the convenient connection computer of USB line；220V adapters or lithium battery power supply interface, can make instrument realize mobile working, i.e., can also be worked in the environment of no mains-supplied, while also improving the pure property of power supply；Increase scaling function, instrument can send 50Hz signals to each passage in itself, monitor the waveform change of each passage in real time in software, detecting instrument is come with this whether normal in itself.
The system is divided into hardware and software two large divisions：
Hardware system is the electric imaging instrument of brain and its accessory, is responsible for the work such as collection, amplification, the digitized processing of EEG signals.
Software systems divide three parts again：
Part I is the collection of EEG signals, the drafting storage of the electric imaging figure of brain and uploaded, software is by controlling the electric imaging instrument automatic or manual of brain to gather the satisfactory brain wave data of tested person's brain, it is shown to by computer calculating and plotting into the electric imaging figure of brain on software interface, store data in automatically on computer simultaneously, a key automatically uploads onto the server the personal information and graph data of tested personnel；
Part II is pattern-recognition analysis system, not repeated due to the electric imaging figure of brain（Without the electric imaging figure of a duplicate brain）, this system used artificial intelligence（AI）Technology, by autonomous learning Technical Design, intelligence system is taught by the electric imaging figure expert of brain recognize substantial amounts of figure so that the ability for allowing system that there is the electric imaging figure of identification brain, automatic analysis can be identified to the electric imaging figure of brain in system, the type, angle and credit rating of figure are determined, and result is stored in database；
Part III is report preparing system, and the model in the data and database of collection is compared by database, and the test and evaluation report of different editions is automatically generated the need for according to client and client is transmitted to automatically, as shown in figure 15.
The system has passed through 1000 people（500 children and 500 adults）Precise information checking and the test and appraisal of 10 years nearly 10000 people practice, demonstrate the reliability and objectivity of the electric imaging technique of brain, the problems of current " scale assessing method " are solved, are that current brain function test and appraisal are safe and scientific and reliable innovative technique, as shown in figure 16.
Following 14 kinds of report templates are completed at present：
(1) the report of general survey version, can interpolate that out the character trait and cerebral dominance of measured.
(2) accurate measurement children's edition is reported, can interpolate that the brain potential and interest speciality of children.
(3) accurate measurement Adult Edition is reported, can interpolate that the character trait and behavior style of adult.
(4) the report of child's version includes Tuo Ban and bottom class, the middle class in a kindergarten, the top class in a kindergarten and preschool class, and the ability description of different editions report makes up that suggestion is different from weakness, can help child selection interest-oriented class or make up the shortage of child's ability.
(5) school edition report includes one or two Third school grades, 456 grades, seven or eight ninth grades.
The ability description of different editions report makes up that suggestion is different from weakness, it can be found that advantage or deficiency in Students ' Learning or viability.
(6) high school student six selects three reports, and high school student can be helped correctly to select three subjects of college entrance examination.
(7) applications for university version report, examinee's selection can be helped, which to make a report on, can be adapted to the university's specialty of oneself.
(8) version of choosing a job reports that can help to select dealer's selection can give full play to the occupation of oneself ability.
(9) the report of family parent-offspring version, can interpolate that out the character trait and cerebral dominance of kinsfolk, father and mother is more objectively understood child, can preferably solve parent child relationship, build harmonious family.
(10) family man and wife（Love and marriage）Version, can interpolate that the behavior style and character trait of man and wife or lover both sides, and help solves marital relations, improves quality of marriage, increases Happiness Index.
(11) family siblings version, can interpolate that the respective character trait of siblings, improve the harmonious degree of relation between siblings.
(12) Enterprises Leader team version, can interpolate that out the character trait and cerebral dominance of leadership team personnel, the complementarity and stability of team be analyzed by the electric imaging technique of brain, so as to accelerate the developing steps of enterprise.
(13) enterprise middle level post version, can interpolate that out the character trait and cerebral dominance of middle administrative staff, and the culture and choice for middle-ranking officials provide objective science reference, so as to promote the stability of enterprise.
(14) the special post version of enterprise, can interpolate that out the character trait and cerebral dominance of special post personnel, and the recruitment and culture for the special post talent provide objective science reference, enterprise is avoided detours in special post recruitment.
Meanwhile, the technological system is also that, by open cooperative development, can develop different purposes cooperatively for different users, can be engaged in the multiple fields such as scientific research, business development, creation service, meets popular foundation, the principles and policies of millions of people innovation.
3rd, the advantage of technology
Brain electricity imaging technique is on the basis of electroencephalogram, the electroencephalogram of sine wave is depicted as two dimension that is easily recognizing and easily establishing criterion of identification or three-dimensional geometric shapes by particular algorithm, considerably increase the scope of application of electroencephalogram, in conjunction with AI intelligence, cloud computing, the technology of the current main flow such as big data internet, the intelligent expert evaluation system based on the electric imaging technique of brain is set to possess the uniformity of figure discrimination standard, it is intelligent, high efficiency, real-time, from the strong instrument of cognitive brain can only be become as the technology of the research of clinical pathology, it can be widely used in social every field.
Brain of embodiment of the present invention electricity imaging technique is the mathematical modeling set up according to the principle of Chaos, with physics method on the basis of clinical electroencephalogram is studied and is applied（Brain electricity imaging instrument）EEG signals of the people under tranquility are directly collected, computer is transmitted to and carries out coded treatment using digital imaging techniques, intuitively two dimension or the three dimensional physical geometric figure acquired a special sense is depicted as（That is the electric imaging figure of brain）.
Then the information to being obtained, carry out a series of calculate, analysis, can science judgment be made to the thinking medium basis of testee's brain and potential ability, the advantageous characteristic of two temporos of tested four regions of human brain and left and right can more scientifically be pointed out, potential and deficiency, the wisdom feature of human brain is shown with this, intellectual characteristics, emotional characteristics, personal characteristics, trait of thinking feature, and the technology of ability potential advantages, the system is based on the electric imaging technique of brain, combine AI intelligence, cloud computing, a kind of brain function analysis and judgment technological system that the technical proposal research of the current main flow such as big data internet is developed.
It is widely used in children education and home education, psychological consultation and guidance, speciality is selected, senior middle school's applications for university, college students ' seeking jobs and life planning, personnel recruitment and human resource management, and medical treatment, brain physical examination of physical examination mechanism etc., brain electricity imaging technique is on the basis of electroencephalogram, the electroencephalogram of sine wave is depicted as two dimension that is easily recognizing and easily establishing criterion of identification or three-dimensional geometric shapes by particular algorithm, considerably increase the scope of application of electroencephalogram, in conjunction with AI intelligence, cloud computing, the technology of the current main flow such as big data internet, the intelligent expert evaluation system based on the electric imaging technique of brain is set to possess the uniformity of figure discrimination standard, it is intelligent, high efficiency, real-time, from the strong instrument of cognitive brain can only be become as the technology of the research of clinical pathology, it can be widely used in social every field.
Above disclosed is only a kind of preferred embodiment of the invention, can not limit the interest field of the present invention, therefore the equivalent variations made according to the claims in the present invention with this certainly, still belongs to the scope that the present invention is covered.
Claims (4)
1. a kind of method of brain function analysis and judgment technological system, it is characterised in that, comprise the following steps:
(1) the brain wave information for obtaining measured by the electric imaging instrument of brain first passes on computer and is depicted as the electric imaging figure of brain；
(2) analysis is identified to the electric imaging figure of brain, determines the type and credit rating of figure, and result is stored in database；
(3) according to the third dimension of the electric imaging figure of brain, the intersection degree of aesthetic feeling and lines, close3.
Degree, is classified as 13 kinds of graph styles, is respectively：Interior square, lotus-shaped flower, tunnel type, array type, hawk mesh type, radar type, singular form, modest type, its alloytype, simple, class square, class lotus type and this type；
(4) according to the intersecting angle of lines, three kinds of angular types are divided into again, are respectively：Orthogonal type：The part at the intersecting angle of lines close to right angle account for 80% with4. On；Cut friendship type：The intersecting angle of lines is almost obtuse angle and the part of acute angle and accounts for more than 80%；Mixed friendship type：It is orthogonal and cut friendship account for 50% or so respectively；
(5) according to area, line spacing, gridding, style, third dimension, fullness, integrality, uniformity, Characteristic fluctuation, the zig zag of the figure of the electric imaging figure of brain, figure is divided into special excellent, outstanding, good, medium, general five credit ratings；
(6) model in the data and database of collection is compared by database, the test and evaluation report of different editions is automatically generated the need for according to client and client is transmitted to automatically.
2. a kind of system using brain function analysis and judgment method as claimed in claim 1, it is characterized in that, including signal pickup assembly, the electric imaging instrument of brain and information analysis system, the signal pickup assembly includes electrode cap, the electrode being connected on the electrode cap and the wire being connected with the electrode, the electric imaging instrument of the brain includes metal shell, signal processing circuit is provided with the housing, the electrode cable is provided with the data line interface of the trapezoidal parallel integral type of 25 pins with the electric imaging instrument junction of brain；The electric imaging instrument of the brain is connected by USB or bluetooth with information analysis system.
3. the equipment of brain function analysis and judgment method as claimed in claim 2, it is characterized in that, the electrode is dry-type electrode, the electrode includes electrode tip holder and connects many electrode bars being arranged on below the electrode tip holder, described electrode bar one end is connected with the electrode tip holder, the other end is also connected with being provided with signal amplifier for that can penetrate easily on hair and the rounded nose directly contacted with scalp, the electrode bar.
4. the equipment of brain function analysis and judgment method as claimed in claim 2, it is characterized in that, the signal processing circuit, which is sequentially connected, is provided with pre-amplification circuit, high low pass frequency-selecting filter, two wires amplifying circuit, 50Hz trap circuits, gain adjusting circuit, three-level amplification photoelectric coupling isolation ionization, sampling maintaining A/D change-over circuits and USB controller, power module is additionally provided with the housing, the power module respectively with the pre-amplification circuit, high low pass frequency-selecting filter, two wires amplifying circuit, 50Hz trap circuits, gain adjusting circuit, three-level amplification photoelectric coupling isolation ionization, sampling maintaining A/D change-over circuits and USB controller connection, the sampling maintaining A/D change-over circuit other ends are also connected with being provided with the Bluetooth information transceiver module for being connected with computer.
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| CN108525124A (en) * | 2018-04-13 | 2018-09-14 | 隆林玲 | Through cranium galvanic current stimulation equipment |
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| CN104644165A (en) * | 2015-02-11 | 2015-05-27 | 电子科技大学 | Wearable electroencephalogram acquisition device |
| CN204863184U (en) * | 2015-07-30 | 2015-12-16 | 李庆玉 | Department of neurology EEG analysis appearance |
| CN105395193A (en) * | 2015-12-08 | 2016-03-16 | 天津大学 | Miniature wearable electroencephalogram acquisition device |
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