CN204765635U - Function nuclear magnetic resonance and brain electricity synchronous sampling brain signal device - Google Patents
Function nuclear magnetic resonance and brain electricity synchronous sampling brain signal device Download PDFInfo
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Abstract
The utility model relates to a function nuclear magnetic resonance and brain electricity synchronous sampling brain signal device belongs to the biomedical field. Including FMRI control panel, amazing display, EEG collector, synchronous box, photoelectric converter, EEG demonstration and storage device, FMRI demonstration and storage device, FMRI scanner, scanning room, brain electricity cap, belt cable, optical fiber line, FMRI control panel links to each other with synchronous box, and synchronous box shows with photoelectric converter, EEG respectively and links to each other with storage device, the EEG collector links to each other with photoelectric converter, and photoelectric converter shows with EEG and link to each other with storage device that FMRI shows and still links to each other with amazing display with storage device. The utility model discloses the brain electricity collection of distinguishing is imagined to the motion to the advantage of utilizing high spatial resolution of FMRI and the high temporal resolution of EEG to combine together, explores the motion and imagines machine -processed to the modulation of brain signal, has realized FMRI and EEG's synchronous sampling brain signal.
Description
Technical field
This utility model relates to a kind of function nuclear magnetic resonance, NMR and brain electricity synchronous acquisition brain signal device, belongs to field of biomedicine technology.
Background technology
Cerebral function imaging is that an imaging technique is measured in class noninvasive function of nervous system activity.Eeg signal acquisition refers to the large record of weak biological tele-release produced by human body brain self by medical instrument electroencephalography instrument and the curve chart obtained.Study movement speed and the regulatory mechanism of power change to brain signal is come by the imaging technique of the curve chart that collects and brain function.
Electroencephalogram (EEG) utilizes the change of the neuropotential pattern measurement brain electrical signals of cerebral activity to obtain brain function information, and its advantage is that temporal resolution is high.Up to the present, EEG has intrusive mood EEG and non-intrusion type EEG two kinds from its probe detection mode.Electrode is probeed into cortex or is placed in cortex surface by intrusive mood EEG, gathers neuron spike discharge rate; Electrode is placed in scalp surface by non-intrusion type EEG, and there is the Various Tissues such as cerebrospinal fluid, dura mater, skull, scalp between scalp top electrode and brain cortex surface, what electrode was recorded to is the comprehensive of diameter 3 ~ 4cm scope neuroelectricity activity under electrode.Although intrusive mood EEG spatial resolution is high, there is damage to tested, be difficult to practical; Non-intrusion type EEG, to tested harmless, although can obtain the high brain signal of temporal resolution fast, its spatial resolution is lower, has become the brain function cognition of restriction based on EEG and the bottleneck of brain-man-controlled mobile robot interface research.
Functional MRI (Functionalmagneticresonanceimaging/FMRI) provides the information about cerebral metabolism with high spatial resolution (grade), and this information is reflected by Blood oxygenation level dependent canbedetected.FMRI accurately can locate the activation distribution in brain function district under specific sensation, consciousness or Cognitive task, has been widely used in clinical and brain science research at present.
Nowadays the new exploration Problems existing for movement velocity and power change imagination brain-machine interaction normal form is: single discrimination is not high, basic reason is that the kinematic parameter imagination (movement velocity and the power change imagination) is not still detected clear to the modulation scheme of brain signal completely, therefore, be difficult to these mental activitys of characteristic present finding significant difference, cause Classification and Identification rate to be difficult to improve.For solving this problem, need the speed of launching a campaign and the research of the power change imagination to the modulation scheme of brain signal, these phenomenons and rule rebuild the neuroscience basis of flexible motion control, very crucial and important.
In sum, for the existing shortcoming existed based on the system of kinematic parameter imagination related brain electrical feature, this patent designs a kind of function nuclear magnetic resonance, NMR for Mental imagery research and EEG synchronous acquisition device towards Mental imagery degree.
Summary of the invention
The technical problems to be solved in the utility model is: this utility model is for the existing shortcoming existed based on the system of kinematic parameter imagination related brain electrical feature, this utility model designs a kind of function nuclear magnetic resonance, NMR for Mental imagery research and EEG synchronous acquisition device towards Mental imagery degree, utilize the feature of the high time resolution of EEG and the high spatial resolution of FMRI to combine, realize FMRI and EEG synchronous acquisition to explore the modulation scheme of brain signal.
Technical solutions of the utility model are: a kind of function nuclear magnetic resonance, NMR and brain electricity synchronous acquisition brain signal device, comprise FMRI control panel 1, stimulate display 2, EEG harvester 3, synchronous box 4, optical-electrical converter 5, EEG show and storage device 6, FMRI show and storage device 7, FMRI scanner 8, scanning room 9, brain electricity cap 10, tape cable 11, fibre circuit 12;
It is outside that described FMRI control panel 1 is positioned at scanning room 9, FMRI scanner 8 is provided with in scanning room 9, FMRI control panel 1 is connected for realizing FMRI data acquisition clock and FMRI scan clock is synchronous with synchronous box 4, synchronous box 4 shows with optical-electrical converter 5, EEG respectively and is connected with storage device 6, and EEG harvester 3 is connected and is gathered brain signal by tape cable 11 and brain electricity cap 10 and amplify, EEG harvester 3 is connected with optical-electrical converter 5 by fibre circuit 12, EEG harvester 3 is gathered and the optical-electrical converter 5 that the brain signal of amplifying is passed to beyond scanning room 10 by fibre circuit 12 carries out opto-electronic conversion, optical-electrical converter 5 shows with EEG and is connected with storage device 6, brain signal after opto-electronic conversion carries out showing and storing with storage device 6 by EEG display, FMRI scanner 8 and the FMRI beyond scanning room 9 show to be connected with storage device 7 and show show and store with storage device 7 for the FMRI image of synchronous scanning being sent to FMRI, FMRI display and storage device 7 are also connected for stimulating normal form to stimulating display 2 to transmit with stimulation display 2.
Electrode in described brain electricity cap 10 adopts plating silver chloride EEG plastic electrode, and tape cable 11 is the cable of diamagnetic interference, and described EEG harvester 3 is placed in shielding box for reducing the imaging interference of FMRI.
The synchronous box 4 of described employing is for synchronously getting up to be convenient to two kinds of data analysis to collecting by the time phase of FMRI and EEG.
Described EEG harvester 3 adopts BrainAmpMRplus.
Described FMRI scanner 8 adopts multi-source to launch magnetic resonance Achieva3.0TTX.
Described EEG display is a computer being provided with MATLAB software with storage device 6, and FMRI display is the computers that SPM and E-Prime software is housed with storage device 7, stimulates normal form for the treatment of FMRI image with to stimulating display 2 to transmit.
Fibre circuit 12 signal transmission is adopted namely to ensure that the fast transport of data and undistorted;
Operation principle of the present utility model is:
Tested put on brain electricity cap 10, lie low in scanning room 9, relaxation state, watch attentively stimulate display 2, carry out Mental imagery task according to its prompting.Now EEG harvester 3 and MRI scanner 8 start image data simultaneously, and EEG harvester can select acquisition channel as required, such as: only select to gather C3 and C4 passage (according to international 10-20 system).
For FMRI scanner, we select advanced multi-source to launch magnetic resonance Achieva3.0TTX scanner.Lie in FMRI scanner due to tested, EEG also can simultaneously image data, and therefore for EEG harvester, we must consider high-intensity magnetic field factor.The BrainAmpMRplus that the humorous EEG of magnetic adopts Germany to produce has portable, full-shield to be magnetized, can with function NMR (Nuclear Magnetic Resonance)-imaging (FMRI) with the use of, faint electroneurographic signal is amplified through special amplifier, be converted to digital signal, through fiber optic conduction, be transferred to the computer of outside from NMR (Nuclear Magnetic Resonance)-imaging room, utilize EEGLAB software can obtain the data result of very little distortion to data analysis.
The optimum configurations of FMRI scanner involved in the present invention, all to be screened tested must through routine MRI inspection, situation in brain is looked in sight, form and the normal person of signal can the data acquisitions of formal entered function magnetic resonance, comprise the BOLD data of full brain 3D data, task state, in brain, have abnormal person to stop data acquisition.Routine MRI can be selected to gather the parameter of T2WI or T1WI, T2WI: TR=2500ms, TE=80ms, matrix=332 × 200, slicethickness:6mm, gap:2mm, 18slices, Flipangle=90; The parameter of T1WI: TR=1900ms, TE=20ms, TI=800ms, matrix=230 × 140, slicethickness:6mm, gap:2mm, slices:18, Flipangle=90.3D full brain T1WI data: adopt T13D-SPGR: parameter: TR=7.4ms, TE=3.4ms, matrix=228 × 228, FOV=25cm, Flipangle=8,230slices, gap=0mm, voxelsize=1.1 × 1.1 × 0.6 (mm3).Totaltime＝6min53sec。
EEG optimum configurations involved in the present invention, because electricity physiological signal is very faint, generally in microvolt level, must adopt low-noise differential circuit, configure the parameters of EEG, just can obtain high-quality data.Except 9 EEG passages FC3, C3 and CP3; Fz, FCz and Cz; Outward, in order to impulse artifacts corrects, two electrocardio (Electrocardiogram, ECG) passages are from chest record electrocardio for FC4, C4 and CP4 (as Fig. 3 shows) and eye electricity (EOG).Low pass filter is set to 40Hz, and for EEG and EOG, high pass filter is set to 0.01Hz, and for ECG, high pass filter is set to 10Hz.Fpz is ground electrode, and record eye electricity (having identical band with EEG to lead to and sample rate) moves the trials of pollution for rejecting eye, holding electrode impedance is lower than 5K Ω.At experimental session, testedly the information of being come by fiber-optic transfer should be watched passively.Tested visual cognitive ability is induced with this, reach the effect of neural feedback training, in Fig. 1, EEG display show with storage device 6, FMRI and storage device 7 can adopt EEG Processing and pattern recognition computer, with BCI systems soft ware in EEG Processing and pattern recognition computer.
Experimental principle figure is illustrated in fig. 1 shown below.BrainAmpMRplus wherein has portable, full-shield and can not be magnetized, can with function NMR (Nuclear Magnetic Resonance)-imaging (FMRI) with the use of, faint electroneurographic signal is amplified through amplifier, be converted to digital signal, through fiber optic conduction, be transferred to the computer of outside from NMR (Nuclear Magnetic Resonance)-imaging room, the data result of very little distortion can be obtained.Its BCI systems soft ware is arranged on EEG display and shows with storage device 7 with storage device 6, FMRI, and its software comprises for providing the E-Prime software stimulating normal form, and EEGLAB and the BCILAB workbox in MATLAB, for brain electricity analytical.
The beneficial effects of the utility model are: this utility model gathers EEG to be had the respective advantage that high time resolution and FMRI have a high spatial resolution and combine, and gathers the brain signal based on movement velocity and the power change imagination simultaneously.By the mode combined, just the modulation scheme of Mental imagery to brain signal can be analyzed by the two kinds of data models gathered simultaneously.
Accompanying drawing explanation
Fig. 1 is the synchronous acquisition partial schematic diagram of this utility model FMRI-EEG;
Fig. 2 is the synchronous acquisition device structural representation of this utility model FMRI-EEG;
Fig. 3 is the brain district schematic diagram of this utility model movement velocity and power change imagination brain wave acquisition and analysis.
Each label in Fig. 2: 1-FMRI control panel, 2-stimulates display, 3-EEG harvester, the synchronous box of 4-, 5-optical-electrical converter, 6-EEG display and storage device, 7-FMRI display and storage device, 8-FMRI scanner, 9-scanning room, 10-brain electricity cap, 11-tape cable, 12-fibre circuit.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail.
Embodiment 1: as Figure 1-3, a kind of function nuclear magnetic resonance, NMR and brain electricity synchronous acquisition brain signal device, comprise FMRI control panel 1, stimulate display 2, EEG harvester 3, synchronously box 4, optical-electrical converter 5, EEG show and show and storage device 7, FMRI scanner 8, scanning room 9, brain electricity cap 10, tape cable 11, fibre circuit 12 with storage device 6, FMRI;
It is outside that described FMRI control panel 1 is positioned at scanning room 9, FMRI scanner 8 is provided with in scanning room 9, FMRI control panel 1 is connected for realizing FMRI data acquisition clock and FMRI scan clock is synchronous with synchronous box 4, synchronous box 4 shows with optical-electrical converter 5, EEG respectively and is connected with storage device 6, and EEG harvester 3 is connected and is gathered brain signal by tape cable 11 and brain electricity cap 10 and amplify, EEG harvester 3 is connected with optical-electrical converter 5 by fibre circuit 12, EEG harvester 3 is gathered and the optical-electrical converter 5 that the brain signal of amplifying is passed to beyond scanning room 10 by fibre circuit 12 carries out opto-electronic conversion, optical-electrical converter 5 shows with EEG and is connected with storage device 6, brain signal after opto-electronic conversion carries out showing and storing with storage device 6 by EEG display, FMRI scanner 8 and the FMRI beyond scanning room 9 show to be connected with storage device 7 and show show and store with storage device 7 for the FMRI image of synchronous scanning being sent to FMRI, FMRI display and storage device 7 are also connected for stimulating normal form to stimulating display 2 to transmit with stimulation display 2.
Embodiment 2: as Figure 1-3, a kind of function nuclear magnetic resonance, NMR and brain electricity synchronous acquisition brain signal device, comprise FMRI control panel 1, stimulate display 2, EEG harvester 3, synchronously box 4, optical-electrical converter 5, EEG show and show and storage device 7, FMRI scanner 8, scanning room 9, brain electricity cap 10, tape cable 11, fibre circuit 12 with storage device 6, FMRI;
It is outside that described FMRI control panel 1 is positioned at scanning room 9, FMRI scanner 8 is provided with in scanning room 9, FMRI control panel 1 is connected for realizing FMRI data acquisition clock and FMRI scan clock is synchronous with synchronous box 4, synchronous box 4 shows with optical-electrical converter 5, EEG respectively and is connected with storage device 6, and EEG harvester 3 is connected and is gathered brain signal by tape cable 11 and brain electricity cap 10 and amplify, EEG harvester 3 is connected with optical-electrical converter 5 by fibre circuit 12, EEG harvester 3 is gathered and the optical-electrical converter 5 that the brain signal of amplifying is passed to beyond scanning room 10 by fibre circuit 12 carries out opto-electronic conversion, optical-electrical converter 5 shows with EEG and is connected with storage device 6, brain signal after opto-electronic conversion carries out showing and storing with storage device 6 by EEG display, FMRI scanner 8 and the FMRI beyond scanning room 9 show to be connected with storage device 7 and show show and store with storage device 7 for the FMRI image of synchronous scanning being sent to FMRI, FMRI display and storage device 7 are also connected for stimulating normal form to stimulating display 2 to transmit with stimulation display 2.
Electrode in described brain electricity cap 10 adopts plating silver chloride EEG plastic electrode, and tape cable 11 is the cable of diamagnetic interference, and described EEG harvester 3 is placed in shielding box for reducing the imaging interference of FMRI.
Embodiment 3: as Figure 1-3, a kind of function nuclear magnetic resonance, NMR and brain electricity synchronous acquisition brain signal device, comprise FMRI control panel 1, stimulate display 2, EEG harvester 3, synchronously box 4, optical-electrical converter 5, EEG show and show and storage device 7, FMRI scanner 8, scanning room 9, brain electricity cap 10, tape cable 11, fibre circuit 12 with storage device 6, FMRI;
It is outside that described FMRI control panel 1 is positioned at scanning room 9, FMRI scanner 8 is provided with in scanning room 9, FMRI control panel 1 is connected for realizing FMRI data acquisition clock and FMRI scan clock is synchronous with synchronous box 4, synchronous box 4 shows with optical-electrical converter 5, EEG respectively and is connected with storage device 6, and EEG harvester 3 is connected and is gathered brain signal by tape cable 11 and brain electricity cap 10 and amplify, EEG harvester 3 is connected with optical-electrical converter 5 by fibre circuit 12, EEG harvester 3 is gathered and the optical-electrical converter 5 that the brain signal of amplifying is passed to beyond scanning room 10 by fibre circuit 12 carries out opto-electronic conversion, optical-electrical converter 5 shows with EEG and is connected with storage device 6, brain signal after opto-electronic conversion carries out showing and storing with storage device 6 by EEG display, FMRI scanner 8 and the FMRI beyond scanning room 9 show to be connected with storage device 7 and show show and store with storage device 7 for the FMRI image of synchronous scanning being sent to FMRI, FMRI display and storage device 7 are also connected for stimulating normal form to stimulating display 2 to transmit with stimulation display 2.
Electrode in described brain electricity cap 10 adopts plating silver chloride EEG plastic electrode, and tape cable 11 is the cable of diamagnetic interference, and described EEG harvester 3 is placed in shielding box for reducing the imaging interference of FMRI.
The synchronous box 4 of described employing is for synchronously getting up to be convenient to two kinds of data analysis to collecting by the time phase of FMRI and EEG.
Embodiment 4: as Figure 1-3, a kind of function nuclear magnetic resonance, NMR and brain electricity synchronous acquisition brain signal device, comprise FMRI control panel 1, stimulate display 2, EEG harvester 3, synchronously box 4, optical-electrical converter 5, EEG show and show and storage device 7, FMRI scanner 8, scanning room 9, brain electricity cap 10, tape cable 11, fibre circuit 12 with storage device 6, FMRI;
It is outside that described FMRI control panel 1 is positioned at scanning room 9, FMRI scanner 8 is provided with in scanning room 9, FMRI control panel 1 is connected for realizing FMRI data acquisition clock and FMRI scan clock is synchronous with synchronous box 4, synchronous box 4 shows with optical-electrical converter 5, EEG respectively and is connected with storage device 6, and EEG harvester 3 is connected and is gathered brain signal by tape cable 11 and brain electricity cap 10 and amplify, EEG harvester 3 is connected with optical-electrical converter 5 by fibre circuit 12, EEG harvester 3 is gathered and the optical-electrical converter 5 that the brain signal of amplifying is passed to beyond scanning room 10 by fibre circuit 12 carries out opto-electronic conversion, optical-electrical converter 5 shows with EEG and is connected with storage device 6, brain signal after opto-electronic conversion carries out showing and storing with storage device 6 by EEG display, FMRI scanner 8 and the FMRI beyond scanning room 9 show to be connected with storage device 7 and show show and store with storage device 7 for the FMRI image of synchronous scanning being sent to FMRI, FMRI display and storage device 7 are also connected for stimulating normal form to stimulating display 2 to transmit with stimulation display 2.
Electrode in described brain electricity cap 10 adopts plating silver chloride EEG plastic electrode, and tape cable 11 is the cable of diamagnetic interference, and described EEG harvester 3 is placed in shielding box for reducing the imaging interference of FMRI.
The synchronous box 4 of described employing is for synchronously getting up to be convenient to two kinds of data analysis to collecting by the time phase of FMRI and EEG.
Described EEG harvester 3 adopts BrainAmpMRplus.
Embodiment 5: as Figure 1-3, a kind of function nuclear magnetic resonance, NMR and brain electricity synchronous acquisition brain signal device, comprise FMRI control panel 1, stimulate display 2, EEG harvester 3, synchronously box 4, optical-electrical converter 5, EEG show and show and storage device 7, FMRI scanner 8, scanning room 9, brain electricity cap 10, tape cable 11, fibre circuit 12 with storage device 6, FMRI;
It is outside that described FMRI control panel 1 is positioned at scanning room 9, FMRI scanner 8 is provided with in scanning room 9, FMRI control panel 1 is connected for realizing FMRI data acquisition clock and FMRI scan clock is synchronous with synchronous box 4, synchronous box 4 shows with optical-electrical converter 5, EEG respectively and is connected with storage device 6, and EEG harvester 3 is connected and is gathered brain signal by tape cable 11 and brain electricity cap 10 and amplify, EEG harvester 3 is connected with optical-electrical converter 5 by fibre circuit 12, EEG harvester 3 is gathered and the optical-electrical converter 5 that the brain signal of amplifying is passed to beyond scanning room 10 by fibre circuit 12 carries out opto-electronic conversion, optical-electrical converter 5 shows with EEG and is connected with storage device 6, brain signal after opto-electronic conversion carries out showing and storing with storage device 6 by EEG display, FMRI scanner 8 and the FMRI beyond scanning room 9 show to be connected with storage device 7 and show show and store with storage device 7 for the FMRI image of synchronous scanning being sent to FMRI, FMRI display and storage device 7 are also connected for stimulating normal form to stimulating display 2 to transmit with stimulation display 2.
Electrode in described brain electricity cap 10 adopts plating silver chloride EEG plastic electrode, and tape cable 11 is the cable of diamagnetic interference, and described EEG harvester 3 is placed in shielding box for reducing the imaging interference of FMRI.
The synchronous box 4 of described employing is for synchronously getting up to be convenient to two kinds of data analysis to collecting by the time phase of FMRI and EEG.
Described EEG harvester 3 adopts BrainAmpMRplus.
Described FMRI scanner 8 adopts multi-source to launch magnetic resonance Achieva3.0TTX.
Embodiment 6: as Figure 1-3, a kind of function nuclear magnetic resonance, NMR and brain electricity synchronous acquisition brain signal device, comprise FMRI control panel 1, stimulate display 2, EEG harvester 3, synchronously box 4, optical-electrical converter 5, EEG show and show and storage device 7, FMRI scanner 8, scanning room 9, brain electricity cap 10, tape cable 11, fibre circuit 12 with storage device 6, FMRI;
It is outside that described FMRI control panel 1 is positioned at scanning room 9, FMRI scanner 8 is provided with in scanning room 9, FMRI control panel 1 is connected for realizing FMRI data acquisition clock and FMRI scan clock is synchronous with synchronous box 4, synchronous box 4 shows with optical-electrical converter 5, EEG respectively and is connected with storage device 6, and EEG harvester 3 is connected and is gathered brain signal by tape cable 11 and brain electricity cap 10 and amplify, EEG harvester 3 is connected with optical-electrical converter 5 by fibre circuit 12, EEG harvester 3 is gathered and the optical-electrical converter 5 that the brain signal of amplifying is passed to beyond scanning room 10 by fibre circuit 12 carries out opto-electronic conversion, optical-electrical converter 5 shows with EEG and is connected with storage device 6, brain signal after opto-electronic conversion carries out showing and storing with storage device 6 by EEG display, FMRI scanner 8 and the FMRI beyond scanning room 9 show to be connected with storage device 7 and show show and store with storage device 7 for the FMRI image of synchronous scanning being sent to FMRI, FMRI display and storage device 7 are also connected for stimulating normal form to stimulating display 2 to transmit with stimulation display 2.
Electrode in described brain electricity cap 10 adopts plating silver chloride EEG plastic electrode, and tape cable 11 is the cable of diamagnetic interference, and described EEG harvester 3 is placed in shielding box for reducing the imaging interference of FMRI.
The synchronous box 4 of described employing is for synchronously getting up to be convenient to two kinds of data analysis to collecting by the time phase of FMRI and EEG.
Described EEG harvester 3 adopts BrainAmpMRplus.
Described FMRI scanner 8 adopts multi-source to launch magnetic resonance Achieva3.0TTX.
Described EEG display is a computer being provided with MATLAB software with storage device 6, and FMRI display is the computers that SPM and E-Prime software is housed with storage device 7, stimulates normal form for the treatment of FMRI image with to stimulating display 2 to transmit.
By reference to the accompanying drawings specific embodiment of the utility model is explained in detail above, but this utility model is not limited to above-described embodiment, in the ken that those of ordinary skill in the art possess, various change can also be made under the prerequisite not departing from this utility model aim.
Claims (6)
1. function nuclear magnetic resonance, NMR and a brain electricity synchronous acquisition brain signal device, is characterized in that: comprise FMRI control panel (1), stimulate display (2), EEG harvester (3), synchronous box (4), optical-electrical converter (5), EEG show and storage device (6), FMRI show and storage device (7), FMRI scanner (8), scanning room (9), brain electricity cap (10), tape cable (11), fibre circuit (12);
It is outside that described FMRI control panel (1) is positioned at scanning room (9), FMRI scanner (8) is provided with in scanning room (9), FMRI control panel (1) is connected for realizing FMRI data acquisition clock and FMRI scan clock is synchronous with synchronous box (4), synchronous box (4) shows with optical-electrical converter (5), EEG respectively and is connected with storage device (6), and EEG harvester (3) is connected and is gathered brain signal by tape cable (11) and brain electricity cap (10) and amplify, EEG harvester (3) is connected with optical-electrical converter (5) by fibre circuit (12), EEG harvester (3) is gathered and the optical-electrical converter (5) that the brain signal of amplifying is passed to beyond scanning room (10) by fibre circuit (12) carries out opto-electronic conversion, optical-electrical converter (5) and EEG show and are connected with storage device (6), brain signal after opto-electronic conversion carries out showing and storing with storage device (6) by EEG display, FMRI scanner (8) and the FMRI beyond scanning room (9) show to be connected with storage device (7) and show show and store with storage device (7) for the FMRI image of synchronous scanning being sent to FMRI, FMRI display and storage device (7) are also connected with stimulation display (2) for stimulating normal form to stimulating display (2) to transmit.
2. function nuclear magnetic resonance, NMR according to claim 1 and brain electricity synchronous acquisition brain signal device, it is characterized in that: the electrode in described brain electricity cap (10) adopts plating silver chloride EEG plastic electrode, the cable that tape cable (11) is diamagnetic interference, described EEG harvester (3) is placed in shielding box for reducing the imaging interference of FMRI.
3. function nuclear magnetic resonance, NMR according to claim 1 and brain electricity synchronous acquisition brain signal device, is characterized in that: the synchronous box of described employing (4) is for synchronously getting up to be convenient to two kinds of data analysis to collecting by the time phase of FMRI and EEG.
4. function nuclear magnetic resonance, NMR according to claim 1 and brain electricity synchronous acquisition brain signal device, is characterized in that: described EEG harvester (3) adopts BrainAmpMRplus.
5. function nuclear magnetic resonance, NMR according to claim 1 and brain electricity synchronous acquisition brain signal device, is characterized in that: described FMRI scanner (8) adopts multi-source to launch magnetic resonance Achieva3.0TTX.
6. function nuclear magnetic resonance, NMR according to claim 1 and brain electricity synchronous acquisition brain signal device, it is characterized in that: described EEG display is a computer being provided with MATLAB software with storage device (6), FMRI display is a computer that SPM and E-Prime software is housed with storage device (7), for the treatment of FMRI image with to stimulating display (2) transmission to stimulate normal form.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111372649A (en) * | 2017-10-06 | 2020-07-03 | 罗斯基勒柯格医院 | System for electrical stimulation during functional MRI |
| CN113951896A (en) * | 2021-09-10 | 2022-01-21 | 之江实验室 | Brain-computer interface decoding method based on intracranial brain electricity and scalp brain electricity fusion |
-
2015
- 2015-05-27 CN CN201520350651.3U patent/CN204765635U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111372649A (en) * | 2017-10-06 | 2020-07-03 | 罗斯基勒柯格医院 | System for electrical stimulation during functional MRI |
| CN111372649B (en) * | 2017-10-06 | 2023-10-03 | 罗斯基勒柯格医院 | System for electrical stimulation during functional MRI |
| CN113951896A (en) * | 2021-09-10 | 2022-01-21 | 之江实验室 | Brain-computer interface decoding method based on intracranial brain electricity and scalp brain electricity fusion |
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