CN1817325A - Mouse hearing and vision memory model and intelligent action inspecting system - Google Patents
Mouse hearing and vision memory model and intelligent action inspecting system Download PDFInfo
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- CN1817325A CN1817325A CNA2006100458689A CN200610045868A CN1817325A CN 1817325 A CN1817325 A CN 1817325A CN A2006100458689 A CNA2006100458689 A CN A2006100458689A CN 200610045868 A CN200610045868 A CN 200610045868A CN 1817325 A CN1817325 A CN 1817325A
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Abstract
A mouse's auditognosis and vision memory model and its intelligent behavior detection system are disclosed. A circular dark box type labyrinth is used as the behavior data acquiring unit. The mouse to be tested passes through a tubular channel with adjustable one-way gates along a pointed path and closed loop for performing the cyclic training. The signals about the active movement and passive movement caused by electric shock are acquired and processed by the data processing control unit. Said signals are transmitted via PCI bus to the Access database in control system, and then processed by the statistical software package, so controlling and monitoring the behavior of mouse at any time.
Description
Technical field
The present invention relates to a kind of audition, vision memory model and intelligent behavior detection system of setting up the model and the detection system thereof, particularly a kind of Mus of animal learning and memory behavior training method about research.It can be applicable to fields such as neuro physiology, neuro pharmacology and psychology.
Background technology
At present, the animal behavior experiment is the indispensable important means of research higher brain function and other neurosciences, especially has position more importantly aspect the behavioral medicine researchs such as neuro physiology, neuro pharmacology.Wherein maze experiment is the classical project of behavioral experiment, is one of the most frequently used experiment of research rat (or mice) learning and memory function, also is cognitive drug screening animal model commonly used.The kind of labyrinth device is more, but all comprises three elements: training center---place animal; The purpose district---be place of safety or food rest area; Passage---there is length that weak point is arranged, has one, select to arrive the correct route in purpose district for animal with the upper channel crossing.
Existing Y type labyrinth is trisection radiant type labyrinth, is made up of three support arms and a bonding pad, and the mutual angle of three arms is 120 °, and shop, every arm bottom is with thin copper bar.Copper rod can communicate with stimulating power supply.Each arm is not held signal lights is housed, and it is the place of safety that signal lights is opened this arm of indication, i.e. this arm bottom no power.But the orientation stochastic transformation of place of safety, when certain arm was the place of safety, two arms and bonding pad were all charged in addition, but animal training association active escape reaction is escaped to the place of safety.In experiment, as animal in the bright back of signal lights or be subjected to the electric shock back and directly escape to the place of safety person and be correct response, otherwise be wrong reaction.The standard that generally the animal via training is reached association is decided to be in continuous 10 tests correct person 9 times.Write down lost resolution of each animal and learn to reach the required training number of association's standard, with this objective indicator as evaluation animal learning ability quality.
Existing water maze then is a labyrinth of injecting certain depth water in its passage.The inner passage shape mostly is T shape, F shape or II shape, one or more cecums is arranged wherein and the port of export has only one.Animal is placed in the training center, trains its study to select outlet, swim to the ability in purpose district smoothly.Increase the cecum number in the experimentation gradually, observation, record animal enter cecum number of times (being errors number) and swim the used time, to estimate its school grade, memory acquisition and long-time memory function.
Practical application shows, present maze experiment, particularly Y type labyrinth are subjected to its structural limitations can't form the closed circuit of sealing, and water maze can only force animal swimming, can not autonomic movement.Therefore, no matter be process control during training, or data acquisition, processing, all be that manually-operated is more loaded down with trivial details by experimenter's manual operation, manual record corresponding data subjective factors is more, has both taken manpower, and subjective error is also big simultaneously, influences its accuracy.
In the patent No. is in " electricity drive, electricity irritation count the Mus labyrinth automatically " of 97245361.X, and the inventor once disclosed a kind of three strip multichannel labyrinths that stimulate district's (being training center), place of safety and an isolation area (being provided with the electronic conveyer belt that Mus is returned training center) that are provided with.It designs physical signs memory states such as multichannel maze learning, trained refleies at experimental mouse, according to the number of times of failing by the labyrinth after the experimental mouse medication of automatic experimental record, decidable drug effect and performance indications.Experimental result shows, the labyrinth shape of this device exists must be single by the structure that conveyer belt is sent Mus back to training center, access door by isolation area, can not still can't adapt to the needs of the natural life habit of Mus according to defectives such as requirement of experiment adjustment.
According to the actual needs of setting up the model of animal learning and memory behavior training method, there is tangible limitation in existing model: i.e. anthropic factor is more, and technical operation is loaded down with trivial details, and accuracy is relatively poor; As the labyrinth of behavioral data harvester, the space structure of shape, subregion and hole (passage) can not adapt to the natural life habit of Mus, uses limitation (as only being fit to rat); The available data processing and control element (PCE) is more single, when testing result is handled, needs to convert experimental data to the Foxpro database file and just can utilize; And the combined influence factor that lacks conditional stimuluss such as electricity, sound (noise) and light.This shows, further develop with the life habit of Mus, set up the model of complicated animal learning and memory behavior training method but the system that is easy to it is detected, be still the task of top priority.
Summary of the invention
The audition, vision memory model and the intelligent behavior detection system that the purpose of this invention is to provide a kind of Mus, modelling is reasonable, easy to adjust, behavior stimulation gentleness, simulated environment more meets the active reality of animal normal physiological behavioristics, can detect audition and the visual discrimination ability of animal, experimental data is gathered and is handled accurately, realize automatization, the scientific management of detection system easily, wide accommodation, more be applicable to and set up complicated cognitive memory models, to satisfy the needs of more deep learning and memory behavior analysis.
The object of the present invention is achieved like this: the audition of this Mus, vision memory model comprises and has training center, the labyrinth of purpose district and interface channel thereof, its technical essential is: the circular camera bellows formula labyrinth of multichannel closed-loop path is adopted in described labyrinth, in the casing at the bottom of it has loam cake and fence, chute by cabinet wall and middle standing pillar is by plug-in subregion dividing plate radially is set, cabinets cavity is separated at least three test sections, one of them is the purpose district, all the other are data collection zone, each dividing plate bottom is the identical hole shape passage that has adjustable unilateral gate of distribution outward appearance equidistantly, each hole shape access door side has two groups of infrared emission, receive photoelectric cell, in segregate each district the controllable lamp optical illumination is set respectively, the electric shock conductor of the different gradient voltage bands of generation of STOCHASTIC CONTROL is set respectively at the bottom of the fence in each district, in the control chamber of casing middle standing pillar top, the high light generating means is set, noise generating means and video tracking head.
Low outer high in the upper surface of described plug-in subregion dividing plate, low side is inserted in the vertical chute of middle standing pillar periphery, in high-end that be inserted into cabinet wall and the corresponding chute of middle standing pillar chute.
The audition of described Mus, the intelligent behavior detection system of vision memory model, comprise the behavioral data harvester, the data processing and control unit, pci data bus and Control System of Microcomputer, its technical essential is: described behavioral data harvester adopts the audition of above-mentioned circular camera bellows formula labyrinth as Mus, vision memory model, allow experimental mouse in the casing in described labyrinth, carry out specified path by training, multipath is selected training, food control and audition, the visual stimulus training, the hole shape passage that has adjustable unilateral gate by the described plug-in subregion dividing plate bottom that radially is provided with, pass through training center along specified counterclockwise or clockwise path, formed closed-loop path, purpose district, finish circuit training successively, utilize the described controllable lamp optical illumination that is separately positioned in segregate each district to adapt to the dark habit of becoming of Mus therebetween, make it in casing, carry out autonomic movement, utilize the described different gradient voltage bands of respectively distinguishing the electric shock conductor generation that is provided with respectively at the bottom of the fence that are separately positioned on, stimulate the passive exercise that drives the STOCHASTIC CONTROL Mus with electric shock, again in conjunction with the two groups of infrared emission that are arranged on described each hole shape access door side that are integrated in the detection system on the data collecting card, receive photoelectric cell, controllable lamp optical illumination in each district and the high light generating means that is arranged in the control chamber of described column top, each data processing and control unit that the control element of noise generating means and video tracking head is formed, according to requirement of experiment, path during with the experimental mouse adaptive act that collects respectively, the number of times that success is required, the time of each time, wrong position appears before the success, the all data of number of times, the voltage signal of formed access door, control electric shock stimulus signal, sound stimulus signal and optical stimulus signal, obtain required signal through the logic circuit of forming by the CMOS integrated component, image together with the observed video tracking head collection of display, by the Access data base of pci data bus transfer in the Control System of Microcomputer, and utilize the SAS statistical package to handle, the audition of control at any time and omnidistance monitoring Mus, the visual memory crawler behavior.
Because the audition of Mus of the present invention, vision memory model adopts circular camera bellows formula labyrinth as the behavioral data harvester, closed-loop path with specified clockwise or counterclockwise path, utilize the controllable lamp optical illumination to adapt to the dark habit that becomes of Mus, make it in casing, carry out autonomic movement, different gradient voltage bands in conjunction with the electric shock conductor generation that is provided with respectively at the bottom of each district's fence, stimulate the passive exercise that drives the STOCHASTIC CONTROL Mus with electric shock, so the training simulation environment of experimental mouse more meets the active reality of animal normal physiological behavioristics, fasting and non-fasting Mus all are suitable for, also will greatly overcome existing strip multichannel labyrinth and exist and to send Mus back to training center by isolation area by conveyer belt, defectives such as the channel space structure is single.Secondly, different with the training that forces animal swimming of existing water maze, the present invention adopts the autonomic movement and the passive driving of gradient voltage of Mus nature activity pattern to combine, action temperature and, preventing to be tried Mus accepts after the single electricity irritation away from dedicated tunnel, it is inconsistent to avoid animal pattern respectively to distinguish the time of staying at data acquisition unit, makes time class data more accurate.Have again, select reliable two groups of infrared emission for use, receive each passage reveal that photoelectric cell is placed in the labyrinth, can detect the whereabouts of animal in the labyrinth in real time, exactly.In each training center of circular labyrinth, design has the identical passage of a plurality of outward appearances to select for animal, and each passage respectively has two pairs of infrared electro elements, utilizes to postpone to eliminate former " training system " and attempt into the hole and withdraw from the data that caused fast inaccurate Mus.In addition, have the size adjustment of the hole shape passage of adjustable unilateral gate, solved the problem of using limitation, especially can eliminate because experimental mouse monthly age difference and volume is not of uniform size causes, the interference of experimental result accuracy according to experimental mouse.Consider that requirement of experiment is different with difficulty, by plug-in subregion dividing plate radially is set, cabinets cavity is separated into a plurality of training centers in the casing of labyrinth, therefore, can increase and decrease the training center number as required.
In the intelligent behavior detection system of the audition of Mus of the present invention, vision memory model, except that the training pattern of setting up above-mentioned uniqueness reaches the training strategy that adapts with it, also adopt popular Visual Studio programming assembly and Access database link to replace the C language and the Foxpro database file of employing of the prior art, form intelligent behavior detection system.Make two groups of infrared emission that are arranged on each hole shape access door side, receive photoelectric cell, controllable lamp optical illumination in each district and the high light generating means that is arranged in the control chamber of column top, each data processing and control unit that the control element of noise generating means and video tracking head is formed, all concentrate on the data collecting card, according to requirement of experiment, gather and handle corresponding signal respectively, can directly be inserted into Control System of Microcomputer by the pci data bus, the experimental mouse of utilizing the video tracking head to observe in the detection range is dynamic, the multi-task is operated simultaneously, record, analyze and carry out synchronously, operate easier, the interface can be more friendly, and the experimental data of acquisition can be more accurate.And detection system can realize that multipath automatically is provided with and sound, light, electric multiple conditional stimulus, therefore, and applicable to the foundation of the cognitive memory models of complexity.The present invention reduces artificial trace and artificial disturbance as far as possible, offers the enough activity spaces of Mus, sets up the intelligent behavior detection system of the new Mus of a cover.
The foundation of this system can be used for (1) and is used to zoologize spatial orientation and cognitive competence, as the foundation of the A Ercai Mo's disease (AD or presenile dementia) of central nervous system neurons degenerative change, parkinson disease (parkinson ' s disease), epilepsy rat animal models such as (epilepsy).(2) detect the influence of neurologic agent or other factors, the screening nootropics to animal learning, memory and spatial cognition ability.(3) can be used for the foundation of audition, the special learning and memory model of vision.(4) native system path complexity, variable, behavioristics's detection platform of screening nervous system gene function can be provided, as space learning dysmnesia mice, the gene of α-CaMKII (α-Calcium-CalmodulinKinase II), Fyn and N-CAM gene mutation such as (neural-cell adhesion molecules) pound out the etiology of (gene knock-out), range gene disease and model that therapeutics is set up Mus required.Be intended to from side research the most complicated neural Premium Features, as study, memory etc., thereby be diagnosis and control nervous system disease, and even improve the nervous system heredodiathesis, development is calculated and intellectual technology provides new design and new ideas.
Description of drawings
Below in conjunction with accompanying drawing the present invention is further described.
Fig. 1 is the concrete structure sketch map in a kind of behavioral data harvester of the present invention labyrinth.
Fig. 2 is the cutaway view of Fig. 1 along the A-A line.
Fig. 3 is a kind of principle schematic of gathering the gate voltage signal of behavior detection system of the present invention.
Fig. 4 is the principle schematic of a kind of acquisition controlling electric shock stimulus signal of behavior detection system of the present invention.
Fig. 5 is a kind of principle schematic of gathering stimulus signal of behavior detection system of the present invention.
Fig. 6 is a kind of principle schematic of gathering optical stimulus signal of behavior detection system of the present invention.
Each sequence number explanation among the figure:
1 casing, 2 hinges, 3 unilateral gates, 4 columns, 5 hole shape passages, 6 fence, 7 photoelectric cells,
8 chutes, 9 dividing plates, 10 control chambers, 11 chutes, 12 loam cakes.
The specific embodiment
Describe concrete structure of the present invention in detail according to Fig. 1-6.The audition of experimental mouse, vision memory model adopt the labyrinth that has training center, purpose district and interface channel thereof.The circular camera bellows formula labyrinth (shown in Fig. 1-2) of multichannel closed-loop path is adopted in this labyrinth, at the bottom of it has loam cake 12 and fence in 6 the casing 1, according to requirement of experiment, chute 8,11 by casing 1 inwall and middle standing pillar 4 is by plug-in subregion dividing plate 9 radially is set, casing 1 inner chamber is separated at least three test sections, one of them is the purpose district, and all the other are data collection zone.Present embodiment adopts five test sections, i.e. purpose district, four data acquisition zones.In five set test sections, I district, II district, III district are the current path signal acquisition zone of experimental mouse, and the IV district is the inverse signal acquisition zone, and the V district is for the bait district and enter the signaling zone of I district data collection zone.Each dividing plate 9 bottom identical hole shape passage 5 that has adjustable unilateral gate 3 of outward appearance that equidistantly distributes, according to large and small plug-in subregion dividing plate 9 bottoms of experimental mouse specification corresponding large and small hole shape passage 5 is set at different size, to eliminate because experimental mouse monthly age difference and volume is not of uniform size causes, to the interference of experimental result accuracy, enlarge the range of application of training pattern.Each hole shape passage 5 reveal is equipped with two groups of infrared emission, receives photoelectric cell 7.Wherein unilateral gate 3 adopts the movable door structure that hinge 2 connects, and also can adopt other syndeton form, and the shape of unilateral gate 3, size should be determined according to the specification requirement of hole shape passage 5.Present embodiment is provided with four hole shape passages 5 according to the experiment needs in each control zone, the green channel of each control zone (experimental mouse is by the selected dedicated tunnel in path) has 4 kinds of variations, experimental mouse can have multiple variation by the I district to the green channel in IV district, to realize arriving the flexible and changeable needs of zones of different passage.Present embodiment returns the hole shape passage 5 in district and selects according to actual needs, only opens two passages.In segregate each district the controllable lamp optical illumination is set respectively, at the dark habit control illumination that becomes of the natural activity pattern of Mus, only there is illumination (25W) the experimental mouse location, the 6 electric shock conductor (not shown)s that the different gradient voltage bands of generation of STOCHASTIC CONTROL are set respectively at the bottom of the fence in each district.For ease of the control of gradient voltage band, I～IV district all is set to 45V, 40V, three gradient voltage bands of 35V respectively.The green channel stochastic transformation in every district, non-green channel then can give sound (90dB), light (100W), and (50～60V) wait conditional stimulus to electricity, produce the escape behavior with animal and are as the criterion.In casing 1 middle standing pillar 4 top control chambers 10, high light generating means, noise generating means and video tracking head (not shown) are set.For bringing into play the effect of high light generating means, noise generating means and video tracking head better, the upper surface of plug-in subregion dividing plate 9 is designed to interior low outer high form, low side is inserted in the vertical chute 11 of middle standing pillar 4 peripheries, in high-end that be inserted into casing 1 inwall and the middle standing pillar chute 11 corresponding chutes 8.
With the audition of above-mentioned design uniqueness, vision memory model behavioristics's detection platform, set up the new animal intelligence behavior detection system of a cover as Mus.This system comprises behavioral data harvester, data processing and control unit, pci data bus and Control System of Microcomputer.Wherein the behavioral data harvester adopts audition, the vision memory model of above-mentioned circular camera bellows formula labyrinth as Mus.When training, allow experimental mouse in the casing 1 in this labyrinth, by the hole shape passage 5 that has adjustable unilateral gate 3 by plug-in subregion dividing plate 9 bottoms that radially are provided with, pass through training center, formed closed-loop path, purpose district along specified clockwise path, finish circuit training successively, the current direction of conversion unilateral gate 3 also can be specified counterclockwise path.On the basis of specified path, repeat this training method and can also carry out multipath selection training by training.During this period, utilize the described controllable lamp optical illumination that is separately positioned in segregate each district to adapt to the dark habit of becoming of Mus, make it in casing 1, carry out autonomic movement, utilize the described different gradient voltage bands that are separately positioned on the electric shock conductor generation of respectively distinguishing 6 ends of fence, stimulate the passive exercise that drives the STOCHASTIC CONTROL Mus with electric shock, again in conjunction with the two groups of infrared emission that each hole shape passage 5 reveal is put that are arranged on that are integrated in this system on the data collecting card, receive photoelectric cell 7, controlled lamplit data processing and control unit in each district, be arranged on the high light generating means in the column 4 top control chambers 10, the data processing and control unit of noise generating means and video tracking head, according to requirement of experiment, path during with the experimental mouse adaptive act that collects respectively, the number of times that success is required, the time of each time, wrong position appears before the success, the all data of number of times, the voltage signal of formed access door, control electric shock stimulus signal, sound stimulus signal and optical stimulus signal, obtain required signal through the logic circuit of forming by the CMOS integrated component, image together with the observed video tracking head collection of display, by the Access data base of pci data bus transfer in the Control System of Microcomputer, and utilize the SAS statistical package to handle, the audition of control at any time and omnidistance monitoring Mus, the visual memory crawler behavior.
Detection system of the present invention circular camera bellows formula labyrinth as the behavioral data harvester, and in conjunction with the life habit of Mus, make full use of Mus the become autonomic movement and the passive driving of gradient voltage of dark habit, by intercepting and electric shock, sound, photostimulation etc. are single or the punishment mode that makes up, allow animal identification than complicated current path, try hard to mainly reflect audition and the visual discrimination ability of animal on the whole, the training pattern that exploitation is comparatively complicated is to satisfy the needs of more deep analyzing animal learning and memory behavior.Make the animal behavior training method and the detection system of development both simple, can react level of intelligence again, the general characteristic of existing model, again near the life former state, simulation environment orthobiosis, to the interference in data collection, the analyzing and processing process, make this detection system realize automatization, accuracy, scientific when effectively eliminating detection, guarantee that the foundation of different models all has corresponding animal training methods and data decimation strategy.
The software editing of system, adopt general WindowsXP as development platform, select for use popular Visual Studio programming assembly and Access database link to replace C language of the prior art and Foxpro database file as developing instrument, by concentrating on each the data processing and control unit on the data collecting card, according to requirement of experiment (conditional stimulus, regularly, the path, data acquisition), finish setting to experimental apparatus, with its can be directly to the characteristics of hardware port operation, finish the collection of signal, handle and to the control of experimental apparatus.The correctness that is provided with of detected parameters at first during data acquisition, the software of system dynamically shows the position of Mus according to the data feedback control instrument of gathering in the gatherer process, keeps experiment parameter, the record experimental result, and experimental result carried out statistical analysis.Therefore, the present invention can not only detect the adaptability to changes of animal to situation of change in real time, exactly, but also can control at any time and omnidistance audition, visual memory crawler behavior of monitoring Mus.
Below in conjunction with concrete audition, visual memory method, the intelligent behavior detection system of audition, vision memory model that further specifies experimental mouse is to the strategy of the collection and the processing of data.
1, specified path is by training
The training method that adopts experimental mouse autonomic movement and the passive driving of gradient voltage to combine, it is passed through by specified path, after avoiding being subjected to single electric shock,, reach the reflection animal to the audition of fixed complex space and the purpose of visual discrimination ability away from green channel.
Before the training, experimental mouse fasting, water supply 24 hours or normal feed.During training, be allowed to condition at earlier in the circular camera bellows formula labyrinth and adapt to 30-60s, all channel openers in this moment labyrinth, free movable.Observe according to previous experiments, what experimental mouse can not stopped in the labyrinth runs, and generally can visit all zones, is stopped at the somewhere subsequently.During the experiment beginning, experimental mouse is put into V district (as adapting to the district), make its 1min that conforms,, can select specified path arbitrarily, lured by food, generally can visit all zones, I district, select a passage to pass through subsequently for the experimental mouse of fasting 24h.If be non-green channel, experimental mouse then can be subjected to stimulations such as electric shock.Need adopt its location that illumination is arranged for the experimental mouse of not fasting and the experimental mouse of indivedual fasting, and next district is dark, makes the experimental mouse autonomic movement, in case of necessity in conjunction with the gradient voltage electric shock, to impel it as early as possible by green or non-green channel.As visit irrelevant highway section, stop above 2s then energising punishment.Animal, will be removed by timer-operated food groove to the bait feed 3s in V district automatically successively by each district.Between each district is clockwise or counterclockwise half-duplex channel, and experimental mouse enters next circuit training of I district beginning automatically.So after the circulation 5～6 times, the animal I district that can speed away enters the V district.This promptly is considered as training initial success.The standard that reaches association draft for have in continuous 10 tests finish for 9 times omnidistance consuming time＜5.5min.
Data acquisition: the 1. path during adaptive act; 2. the required number of times of initial success, the time of each time; 3. the number of times that occurs wrong position, number of times and electric shock before the initial success.
2, multipath is selected training
On the basis of specifying by training, enter again before the V district, a transitable path is provided in many selectable paths at random, repeat above-mentioned training method, every Mus is trained a paths every day, continuous 5 days, trains every day 10 times.Characteristics: can reach the purpose of reflection experimental mouse to the adaptability to changes of situation of change.
Data acquisition: 1. adapt to every and can pass through the required number of times in path, time.2. each training is correctly selected number of times, errors number by the passage in the path of can passing through.
3, food control and audition, visual stimulus training
Utilize the labyrinth, strengthen, the audition of training experiment Mus, visual discrimination study by audition, visual stimulus and food.All select experimental mouse of training in the indoor raising of cleaning level zoopery by, multichannel pathway through specified paths, and control lighting condition (24 hours every days illumination or darkroom in lucifuge).Laundering period is 5 days, during the free diet of all experimental mouse, water, and monitoring body weight change.The 6th day begins to control the experimental mouse food-intake, and it is normal 85% that its body weight is reduced to, and feed control continues to experiment and finishes.The training early stage that began to enter 2 days in the 9th day, be that experimental mouse is placed in walking freely in the labyrinth, the light of the passage left and right sides is all bright, when it enters next side, whether mistake all gives a food is rewarded, and purpose is to make experimental mouse be familiar with the labyrinth also can initiatively look for food.The formal training of beginning in the 11st day at first is the normal vision identification learning of all experimental mouse, and experimental mouse is placed the V district arbitrarily, and this is the sintering, treat that experimental mouse correctly enters a certain district after, the lamp in this district bright (25W), next district then is the dark space.If experimental mouse enters green channel, then be designated as correctly, give a food and reward; If enter non-green channel, then be designated as mistake, no food is rewarded, according to requirement of experiment, and give high light (100W, 1s) or noise (90dB 1s) stimulates.When experimental mouse enters V district, labyrinth, promptly initial as what train next time.Experimental mouse is carried out 6 training every day, when the continuous 2 days correct number of times of animal reaches 90% when above, has then reached the standard of normal study.Detection system is as follows to the concrete operation principle of data acquisition and processing (DAP):
1, part of data acquisition-obtain accurately experimental mouse by the voltage signal of passage
By Fig. 1～3 as can be known, in set five test sections, each control zone green channel has 4 kinds of variations in circular camera bellows formula labyrinth, and experimental mouse can have 64 kinds of variations by the I district to IV district green channel.The flexible and changeable needs of zones of different passage have been realized arriving.The oscillator signal of being made up of IC1-1C4 (NAND gate CD4011) (frequency of oscillation is adjustable) offers radiating circuit after through T1, T2 power amplification, receiving circuit is connected with infrared emission receiving tube FJ (two groups of infrared emission of installing on each access door, reception photoelectric cell) through the resistance R dividing potential drop, so just can collect switching voltage signal, thereby obtain the voltage control signal of standard through integer circuit integer.For fear of because " every time " of experimental mouse tail triggers the signals collecting mistake of bringing, so two groups of infrared emission have been installed on each access door, have received photoelectric cell, with every group of infrared emission, receive voltage signal that photoelectric cell obtains respectively through gate circuit IC5-IC26 logical process, thereby eliminate above-mentioned error.
2, coding circuit part
The voltage signal of the access door that collects is obtained required signal through the logic circuit of being made up of the CMOS integrated component.The gate voltage signal that each district is obtained is obtained desired signal through " nor gate IC5-IC18 (CD4001) ".The mistake gate signal that I, II two districts obtain is 1y1,1y2,1y3,1y4.Then, 1y1,1y2,1y3,1y4 asked through gate circuit IC19 (4 inputs or door CD4072) or after obtain signal 1F, i.e. 1F=1y1+1y2+1y3+1y4.In like manner, obtain the mistake gate signal in II, III district with IC20 (CD4072) and try to achieve 2F, be i.e. 2F=2y1+2y2+2y3+2y4.Try to achieve 3F with the mistake gate signal that IC21 (CD4072) obtains III, IV district and returns the district, i.e. 3F=3y1+3y2+3y3+3y4+G1+G2, wherein G1, G2 return the signal that the district obtains.Then, 1F, 2F, 3F are asked or get signal F, F=1F+2F+3F through IC22 (3 input nor gate CD4075).1 data selector IC23 (SL253) is selected in obtained signal input two 4, and the above-mentioned gate signal of crossing is by group 3Y1,2Y1,1Y1; 3Y2,2Y2,1Y2; 3Y3,2Y3,1Y3; 3Y4,2Y4,1Y4 import IC24～IC26 (two 4 select 1 selector LS253) respectively.Select the control output signal to obtain by the PCI mouth of computer, by software control, select the data output end of 1 selector to obtain data signal from two 4, through pci data bus input computer, through judge after the software processes area code, channel number and whether green channel etc. analyze handle after, every district is attempted the frequency of failure deposit in the document, send timing signal (PCI mouth), non-green visiting card energizing signal control signals such as (PCI mouths) simultaneously.
3, control, stimulation circuit part
At the stimulating electrode (positive and negative electrode is alternate) that install bottom, circular camera bellows formula labyrinth, negative pole is installed on the copper clad laminate of access door reverse side baffle plate, and positive pole is installed in the bottom of door, stimulates the output size by the computer components continuous control.Motionless for a long time for preventing experimental mouse, bottom, this labyrinth can be driven or carried out electricity irritation and drive experimental mouse and enter next district by the driven by motor rotating mechanism.Realize stimulation circuit is carried out timing controlled (timing is by people, machine interface setting) by software control, the timing signal that the computer printout port sends (high level is effective) is that multiple tube promotes circuit through promoting the normally opened contact of circuit control relay, promoting circuit.The experimental mouse desire will be subjected to stronger electricity irritation during by non-green channel, not be subjected to electricity irritation in order to make experimental mouse when the green channel by setting, and computer real-time is sent the control stimulus signal.Simultaneously enter next district in order to reward experimental mouse, whenever experimental mouse enters when returning the district, the device (direct current generator drives) of putting bait provides timing experimental mouse is rewarded, reward end after, withdraw bait and begin electricity irritation.Promptly when experimental mouse enters the IV district, allow experimental mouse have food and reward, regularly finish back bait automatic drawing back.Experimental mouse is got back to the I district by returning the district under the driveing of gradient voltage afterwards, repeats above-mentioned experiment.After obtaining the experimental data that this kind specified path passes through, pass through by people, machine interface setting specified path next time, by that analogy.Experimental data only need be consulted document and be got final product.
Electrical stimulation circuit such as Fig. 4: timing signal X is sent by pci bus, makes T3, T4 conducting, Ja, Jb conducting, relay normally open contact Ja1, Jb1 conducting.Non-green channel stimulus signal Y is sent by pci bus, thereby makes relay normally open contact Jc, Jd, Te conducting obtain the gradient voltage stimulation.
Photostimulation circuit such as Fig. 5: non-green channel stimulus signal Y sends the relay work that makes by pci bus, Jg normally opened contact Jg1 conducting white heat, and L1 is luminous for lamp (100W), thereby obtains photostimulation.
Sound stimulation circuit such as Fig. 6: non-green channel stimulus signal Z sends the relay J f work that makes by pci bus, normally opened contact Jf1 conducting, and integrated music circuit MU work make speaker P send the simulation cat sound, thereby acquisition sound stimulates.
4, power circuit part:
Power circuit provides each circuit required operational voltage value.Civil power provides five groups of independence alternating voltage outputs through step-down transformer, respectively through rectification, filtering after three end integrated voltage stabilizers (7805,7809) voltage stabilizing, output+5V offers the integrated package control element, and+9V voltage offers infrared emission, its excess-three group of receiving circuit (7809 adopt the F-2 encapsulation) offers stimulation circuit by three-terminal voltage regulator LM317.
Other element among the figure: IC27 adopts HA17555, and T1～T13 adopts audion 3DG6, and D1～D6 adopts general-purpose diode, and R1～R22 adopts build-out resistor, and R adopts substitutional resistance, and infrared emission receiving tube FJ adopts TCRT5000.
Claims (3)
1, the audition of a kind of Mus, vision memory model, comprise and have training center, the labyrinth of purpose district and interface channel thereof, it is characterized in that: the circular camera bellows formula labyrinth of multichannel closed-loop path is adopted in described labyrinth, in the casing at the bottom of it has loam cake and fence, chute by cabinet wall and middle standing pillar is by plug-in subregion dividing plate radially is set, cabinets cavity is separated at least three test sections, one of them is the purpose district, all the other are data collection zone, each dividing plate bottom is the identical hole shape passage that has adjustable unilateral gate of distribution outward appearance equidistantly, each hole shape access door side has two groups of infrared emission, receive photoelectric cell, in segregate each district the controllable lamp optical illumination is set respectively, the electric shock conductor of the different gradient voltage bands of generation of STOCHASTIC CONTROL is set respectively at the bottom of the fence in each district, in the control chamber of casing middle standing pillar top, the high light generating means is set, noise generating means and video tracking head.
2, the audition of Mus according to claim 1, vision memory model, it is characterized in that: low outer high in the upper surface of described plug-in subregion dividing plate, low side is inserted in the vertical chute of middle standing pillar periphery, in high-end that be inserted into cabinet wall and the corresponding chute of middle standing pillar chute.
3, the audition of a kind of Mus according to claim 1, the intelligent behavior detection system of vision memory model, comprise the behavioral data harvester, the data processing and control unit, pci data bus and Control System of Microcomputer, it is characterized in that: described behavioral data harvester adopts the audition of above-mentioned circular camera bellows formula labyrinth as Mus, vision memory model, allow experimental mouse in the casing in described labyrinth, carry out specified path by training, multipath is selected training, food control and audition, the visual stimulus training, the hole shape passage that has adjustable unilateral gate by the described plug-in subregion dividing plate bottom that radially is provided with, pass through training center along specified counterclockwise or clockwise path, formed closed-loop path, purpose district, finish circuit training successively, utilize the described controllable lamp optical illumination that is separately positioned in segregate each district to adapt to the dark habit of becoming of Mus therebetween, make it in casing, carry out autonomic movement, utilize the described different gradient voltage bands of respectively distinguishing the electric shock conductor generation that is provided with respectively at the bottom of the fence that are separately positioned on, stimulate the passive exercise that drives the STOCHASTIC CONTROL Mus with electric shock, again in conjunction with the two groups of infrared emission that are arranged on described each hole shape access door side that are integrated in the detection system on the data collecting card, receive photoelectric cell, controllable lamp optical illumination in each district and the high light generating means that is arranged in the control chamber of described column top, each data processing and control unit that the control element of noise generating means and video tracking head is formed, according to requirement of experiment, path during with the experimental mouse adaptive act that collects respectively, the number of times that success is required, the time of each time, wrong position appears before the success, the all data of number of times, the voltage signal of formed access door, control electric shock stimulus signal, sound stimulus signal and optical stimulus signal, obtain required signal through the logic circuit of forming by the CMOS integrated component, image together with the observed video tracking head collection of display, by the Access data base of pci data bus transfer in the Control System of Microcomputer, and utilize the SAS statistical package to handle, the audition of control at any time and omnidistance monitoring Mus, the visual memory crawler behavior.
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