CN103656833B - A kind of Wearable brain electricity attention instrument for training - Google Patents
A kind of Wearable brain electricity attention instrument for training Download PDFInfo
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- CN103656833B CN103656833B CN201310721511.8A CN201310721511A CN103656833B CN 103656833 B CN103656833 B CN 103656833B CN 201310721511 A CN201310721511 A CN 201310721511A CN 103656833 B CN103656833 B CN 103656833B
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Abstract
The invention discloses a kind of Wearable brain electricity attention instrument for training, producing virtual screen by micro projector apart from human eye 2 meters of, for attention training provides visual transmission signal.By audio interface output audio signal, for attention training provides the audio stimulation signal such as background music and training guidance language.By rotation adjusting lever and telescopic advance lever, electrode for encephalograms is placed in the frons of brain.The eeg signal gathered is sent into embedded processing unit by electrode for encephalograms, embedded processing unit carries out spectrum analysis to eeg signal, take out the β wave component of reflection brain visual cognitive ability degree, neural feedback is carried out to attention training, and data by wireless data interface, be sent on human-computer interaction device.The present invention makes the feedback signal of electricity as attention training of requiring mental skill, and substantially increases efficiency and the reliability of attention training.Use Wearable computer, eliminate much unnecessary interference factor, improve training environment.
Description
Technical field
The invention belongs to psychology biofeedback technology field, relate to a kind of Wearable brain electricity attention instrument for training.
Background technology
Attention reflects the absorbed ability of people to some things.Be engaged in the people of different occupation, have different requirements to absorbed ability.Student is on classroom, and attention is good, just fully can absorb the content that teacher teaches, improve learning efficiency.A lot of student, learns bad, is not intellectual problems but can not controls oneself attention well.Pilot, driver, the controllers etc. of various operation bench all has different requirements to the continuous capability of absorbed power and attention.Attention goes wrong, will accidents happened.Utilize brain wave can monitor the height of trainee's attention.
Cerebral nerve can produce faint electric field fluctuation time movable, when ten hundreds of neural activities simultaneously, electric field will produce metrical fluctuation.Just this fluctuation can be measured, Here it is brain wave from scalp.Brain wave has following feature: it is the bioelectrical signals of the spontaneous generation of central nervous system; It is stochastic signal, has non-stationary and non-Gaussian feature; Neural state and change can be reflected.Therefore, gather brain wave, by analyzing physiology and the mental status that can monitor people.
Non-intervention type brain wave acquisition Technical comparing is complicated, because the signal collected is the small-signal of microvolt level, is easy to the interference by noise, will amplifies accurately, the process such as filtering to signal.In order to make to require mental skill electricity to reflect physiology and the mental status of human body, also spectrum analysis to be carried out to signal.In the world brain wave is pressed the repetition rhythm and pace of moving things difference classification of ripple, unified is following four frequency ranges:
α ripple: 8--13Hz, amplitude is at 50 μ about V, and main reflection people is in lax and that eye closing is clear-headed state.
β ripple: 13--30Hz, amplitude is at 5-20 μ V, and main reflection people is in visual cognitive ability or nervous state.
θ ripple: 4--8Hz, amplitude at 10-50 μ V, under main reflection people is in state of gently sleeping, time sleepy, when emotion is constrained.
δ ripple: 1--3.5Hz, at 20-200 μ V, amplitude mainly reflects that people is in the state of deep sleep or has serious OBD.
In the past, brain wave acquisition treatment facility was bulky, the collection of present EEG signals, and process, the work such as spectrum analysis can have been come by single-chip, for portable brain electric test equipment provides technical foundation.Brain electricity attention exercise equipment produces thus.
Existing brain electricity attention exercise equipment, audio frequency and video stimulus signal is many to be provided by common computer or audio & video equipment.Volume is large, uses inconvenience.To the assessment of training effect, many impressions according to people oneself or indirectly, simple some physiological parameters, as skin electricity, heart rate etc. reflect.
On the other hand, along with the development of semiconductor technology, computer volume is more and more less, and power consumption is more and more lower.And adopt virtual image technology, can miniscope be produced.The development of these technology facilitates the development of Wearable computer.Wearable computer can make glasses, also can make wrist-watch or be made in clothes.The spectacle computer sold in the market, have google, the product of the companies such as Recon, be mainly used in entertainment field, price is higher, and the supply of goods is few, is not easy to secondary development.
Summary of the invention
The present invention is exactly to solve above-mentioned the problems of the prior art, and provides a kind of Wearable brain electricity attention instrument for training Wearable computer being used for the training of brain electricity attention.
The present invention realizes by following technical scheme:
Wearable brain electricity attention instrument for training of the present invention, comprises the mirror holder with a picture frame and left and right two temple portions; Be provided with two panels lens symmetrically in two lens holes of picture frame, the front end in a temple portion is provided with micro projector; Micro projector is connected with the embedded processing unit being arranged on temple portion, and embedded processing unit, as central processing unit, is around connected with the electrode for encephalograms of preamplifier, reference electrode, audio interface, wireless data interface and power module; Embedded processing unit inside is provided with filter amplifier, AD acquisition module and spectrum analysis module, the eeg signal gathered is sent into embedded processing unit by electrode for encephalograms, embedded processing unit is through spectrum analysis, take out the β wave component of reflection brain visual cognitive ability degree, neural feedback is carried out to attention training, and data by wireless data interface, be sent on human-computer interaction device.
One of them temple portion is provided with outstanding rotating shaft, rotating shaft is connected with rotation adjusting lever, rotation adjusting lever can rotate around rotating shaft, rotation adjusting lever be internally connected with telescopic advance lever, telescopic advance lever stretches out from the upper end of rotation adjusting lever, top curves inwardly, and connects electrode for encephalograms.
The sample rate of described electrode for encephalograms is 512Hz, and frequency acquisition scope is between 3Hz-100Hz.
Described reference electrode is positioned at the place of lifting lug portion in a temple portion.
Described micro projector is connected to the front end in a temple portion in hinged mode.
Described embedded processing unit is also connected with key-press module, and key-press module is arranged on temple portion, and is provided with three buttons, is advance key respectively, fall back key and Pause key.
The advantage that the present invention has and good effect are:
Wearable brain electricity attention instrument for training of the present invention, makes the feedback signal of electricity as attention training of requiring mental skill, detects the β ripple of trainee's brain electricity, carry out biofeedback, training effect is carried out to the evaluation of science, substantially increase efficiency and the reliability of attention training.Use Wearable computer, for attention training provides the stimulus signal of Audio and Video and controls whole training process, process in time, store and transmit data, easy to use.Adopt non-transmissive lens, make trainee can only see the screen of computer, eliminate much unnecessary interference factor, avoid the interference of environment to trainee, improve training effect.This attention instrument for training cost is low, and is convenient to secondary development.
Accompanying drawing explanation
Fig. 1 is the structural representation of Wearable brain of the present invention electricity attention instrument for training;
Fig. 2 is the structural representation in the first temple portion of the present invention;
Fig. 3 is the schematic block circuit diagram of Wearable brain of the present invention electricity attention instrument for training;
Fig. 4 is the oscillogram of the ripple of four kinds of different frequency ranges of brain electricity;
Critical piece symbol description in figure:
1: picture frame 2: the first temple portion
3: the second temple portions 4: lens
5: telescopic advance lever 6: electrode for encephalograms
7: reference electrode 8: micro projector
9: power module 10: advance key
11: fall back key 12: Pause key
13: rotation adjusting lever 14: embedded processing unit
15: audio interface 16: wireless data interface
17: key-press module.
Detailed description of the invention
Be described in detail Wearable brain electricity attention instrument for training of the present invention below in conjunction with the drawings and specific embodiments, parts same as the prior art in accompanying drawing have employed identical label.Following each embodiment is not only limitation of the present invention for illustration of the present invention.
Fig. 1 is the structural representation of Wearable brain of the present invention electricity attention instrument for training; Fig. 2 is the structural representation in the first temple portion of the present invention.As depicted in figs. 1 and 2, Wearable brain electricity attention instrument for training of the present invention, comprises the mirror holder with a picture frame 1 and left and right two temple portions.In two lens holes of picture frame 1, two panels lens 4 are installed symmetrically.
The front end in the first temple portion 2 is provided with micro projector 8, and micro projector 8 is connected to the front end in the first temple portion 2 in hinged mode.The first half in the first temple portion 2 is provided with embedded processing unit 14.In first temple portion 2, the rear of embedded processing unit 14 is provided with outstanding rotating shaft, rotating shaft is connected with rotation adjusting lever 13, rotation adjusting lever 13 can rotate around rotating shaft, rotation adjusting lever 13 be internally connected with telescopic advance lever 5, telescopic advance lever 5 stretches out from the upper end of rotation adjusting lever 13, top curves inwardly, and connects electrode for encephalograms 6.The sample rate of electrode for encephalograms is 512Hz, and frequency acquisition scope is between 3Hz-100Hz.First rear end, temple portion 2 place of lifting lug portion be provided with reference electrode 7.
The first half in the second temple portion 3 is provided with key-press module 17, is provided with three buttons, is advance key 10 respectively, fall back key 11 and Pause key 12 in key-press module.The rear of key-press module 17 is provided with power module 9.
The downside in the first temple portion 2 and the second temple portion 3 is provided with audio interface 15.The downside in the first temple portion 2 is also provided with wireless data interface 16.
Fig. 3 is the schematic block circuit diagram of Wearable brain of the present invention electricity attention instrument for training.As shown in Figure 3, micro projector 8 is connected with embedded processing unit 14, embedded processing unit 14 as central processing unit, around respectively with the electrode for encephalograms 6 of preamplifier, reference electrode 7, audio interface 15, wireless data interface 16, key-press module 17 and power module 9.Power module 9 provides power supply for whole circuit.Embedded processing unit inside is provided with filter amplifier, AD acquisition module and spectrum analysis module.
The principle of institute of the present invention foundation is as follows: the different mental status of people can cause multi-form neural activity, thus send different brain waves, just can measure and obtain this brain wave, and convert thereof into the signal of telecommunication by sensor.This is just as recording a first orchestral music with mobile phone, and often kind of musical instrument all produces oneself sound, and these are added together and just create orchestral music.Mobile phone can be used for recording these sound waves, and they are changed into electronic signal.
In order to make to require mental skill electricity to reflect physiology and the mental status of human body, also spectrum analysis to be carried out to signal.As shown in Figure 4, in the world brain wave is pressed the repetition rhythm and pace of moving things difference classification of ripple, unified is following four frequency ranges:
α ripple: 8--13Hz, amplitude is at 50 μ about V, and main reflection people is in lax and that eye closing is clear-headed state.
β ripple: 13--30Hz, amplitude is at 5-20 μ V, and main reflection people is in visual cognitive ability or nervous state.
θ ripple: 4--8Hz, amplitude at 10-50 μ V, under main reflection people is in state of gently sleeping, time sleepy, when emotion is constrained.
δ ripple: 1--3.5Hz, at 20-200 μ V, amplitude mainly reflects that people is in the state of deep sleep or has serious OBD.
Attention reflects the absorbed ability of people to some things.Be engaged in the people of different occupation, have different requirements to absorbed ability.Student is on classroom, and attention is good, just fully can absorb the content that teacher teaches, improve learning efficiency.A lot of student, learns bad, is not intellectual problems but can not controls oneself attention well.Pilot, driver, the controllers etc. of various operation bench all has different requirements to the continuous capability of absorbed power and attention.Attention goes wrong, will accidents happened.The β wave component of brain electricity reflects the height of trainee's attention, utilizes the β wave component of brain electricity carry out biofeedback training and assess training effect.
The work process of Wearable brain electricity attention instrument for training of the present invention is as follows:
By micro projector 8 distance human eye 2 meters of generations 25 inches, the virtual screen of 4:3, for attention training provides visual transmission signal.By audio interface 15 output audio signal, for attention training provides the audio stimulation signal such as background music and training guidance language.By rotation adjusting lever 13 and telescopic advance lever 5, electrode for encephalograms 6 is placed in the frons of brain.Electrode for encephalograms 6 with preamplifier gathers the signal of telecommunication through amplifying, and compare with the electric wave signal that reference electrode 7 sends, the signal of telecommunication belonging to brain wave is sent into embedded processing unit 14, embedded processing unit carries out filter and amplification again to eeg signal, and carry out AD conversion and spectrum analysis, take out the β wave component of reflection brain visual cognitive ability degree, namely frequency is at 13--30Hz, amplitude is at the waveform component of 5-20 μ V, neural feedback is carried out to attention training, and data by wireless data interface 16, be sent on human-computer interaction device.The present invention makes the feedback signal of electricity as attention training of requiring mental skill, and substantially increases efficiency and the reliability of attention training.Use Wearable computer, eliminate much unnecessary interference factor, improve training environment.
Electrode for encephalograms of the present invention can directly connect stem grafting contact, needs upper conducting resinl when the wet sensor unlike traditional medicine uses.Total Product energy consumption is low, and 3.3 volts of lower maximum consumption of powering are 15 milliamperes, is applicable to the battery powered equipment of portable consumer devices.
Claims (5)
1. a Wearable brain electricity attention instrument for training, comprises the mirror holder with a picture frame (1) and left and right two temple portions; Be provided with two panels lens (4) symmetrically in two lens holes of picture frame (1), the front end in a temple portion is provided with micro projector (8); It is characterized in that: micro projector (8) is connected with the embedded processing unit (14) being arranged on temple portion, embedded processing unit (14), as central processing unit, is around connected with the electrode for encephalograms (6) of preamplifier, reference electrode (7), audio interface (15), wireless data interface (16) and power module (9); Embedded processing unit (14) inside is provided with filter amplifier, AD acquisition module and spectrum analysis module, the eeg signal gathered is sent into embedded processing unit (14) by electrode for encephalograms (6), embedded processing unit (14) is through spectrum analysis, take out the β wave component of reflection brain visual cognitive ability degree, neural feedback is carried out to attention training, and data by wireless data interface (16), be sent on human-computer interaction device; A temple portion is provided with outstanding rotating shaft, rotating shaft is connected with rotation adjusting lever (13), rotation adjusting lever (13) can rotate around rotating shaft, rotation adjusting lever (13) be internally connected with telescopic advance lever (5), telescopic advance lever (5) stretches out from the upper end of rotation adjusting lever (13), top curves inwardly, and connects electrode for encephalograms (6).
2. Wearable brain electricity attention instrument for training according to claim 1, is characterized in that: the sample rate of electrode for encephalograms (6) is 512Hz, and frequency acquisition scope is between 3Hz-100Hz.
3. Wearable brain electricity attention instrument for training according to claim 1, is characterized in that: reference electrode (7) is positioned at the place of lifting lug portion in a temple portion.
4. Wearable brain electricity attention instrument for training according to claim 1, is characterized in that: micro projector (8) is connected to the front end in a temple portion in hinged mode.
5. Wearable brain electricity attention instrument for training according to claim 1, it is characterized in that: embedded processing unit (14) is also connected with key-press module (17), key-press module is arranged on temple portion, and be provided with three buttons, be advance key (10), the key that falls back (11) and Pause key (12) respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310721511.8A CN103656833B (en) | 2013-12-24 | 2013-12-24 | A kind of Wearable brain electricity attention instrument for training |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310721511.8A CN103656833B (en) | 2013-12-24 | 2013-12-24 | A kind of Wearable brain electricity attention instrument for training |
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| Publication Number | Publication Date |
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| CN103656833A CN103656833A (en) | 2014-03-26 |
| CN103656833B true CN103656833B (en) | 2015-12-30 |
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Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105013058A (en) * | 2015-06-01 | 2015-11-04 | 李丹 | Mental training device by utilizing music regulation |
| CN106621031B (en) * | 2016-08-30 | 2019-06-18 | 深圳先进技术研究院 | A kind of reaction type attentional regulation headring |
| CN106691441A (en) * | 2016-12-22 | 2017-05-24 | 蓝色传感（北京）科技有限公司 | Attention training system based on brain electricity and movement state feedback and method thereof |
| CN108888280B (en) * | 2018-05-24 | 2021-07-13 | 吉林大学 | Student class attending attention evaluation method based on electroencephalogram signal analysis |
| CN110478593A (en) * | 2019-05-15 | 2019-11-22 | 常州大学 | Brain electricity attention training system based on VR technology |
| CN112545517A (en) * | 2020-12-10 | 2021-03-26 | 中国科学院深圳先进技术研究院 | Attention training method and terminal |
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