CN109924982B - Eye movement detection cage - Google Patents
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- CN109924982B CN109924982B CN201711381339.0A CN201711381339A CN109924982B CN 109924982 B CN109924982 B CN 109924982B CN 201711381339 A CN201711381339 A CN 201711381339A CN 109924982 B CN109924982 B CN 109924982B
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Abstract
The invention discloses an eye movement detection cage which comprises a cage main body, a cage door, a movable plate, an infrared transmitting plate and a transparent plate, wherein the cage door is arranged on the cage main body; an inlet and an outlet and a test window are arranged on the cage main body; the cage door is arranged at the inlet and the outlet of the cage main body and is used for opening and closing the inlet and the outlet; the movable plate is arranged in the cage main body in a sliding mode and moves close to or away from the test window; the infrared transmitting outer plate is arranged at the outer side of the cage main body in a sliding mode along the vertical direction, and the infrared transmitting plate is located at the test window; an observation port is arranged on the infrared transmitting plate, and a transparent plate covers the observation port. Animals do not need to be trained before the experiment, so that the man-made interference is greatly reduced, and the efficiency is greatly improved; the movable range of the animal is limited through the movable plate, the head column does not need to be installed on the animal in an operation mode, and the risk of infection is avoided; the animal is in free activity state among the experimentation, and the experimental result is reliable, and adjustable infrared board position is passed through in the eye movement detects in order to adapt to the animal of co-altitude, can avoid animal limbs to stretch out outside the cage through the transparent plate.
Description
Technical Field
The invention relates to an eye movement testing technology for animals, in particular to an eye movement detection cage.
Background
In the field of neurobiology, eye movement is a direct reaction of a visual process and is influenced by various cognitive factors, such as attention, memory, decision and other cognitive activities can influence eye movement (such as characteristics of track, speed, amplitude and the like), so that eye movement characteristics are an important component for reflecting the cognitive state of people. Researchers often need to detect eye movement of experimental animals, and the cognitive ability and brain function of the experimental animals are evaluated by tracking the eye movement tracks of the experimental animals, so that the rules of brain activities are revealed.
Non-human primates, such as macaques, are a high-grade laboratory animal. They are evolutionarily close to humans, possess a visual system highly similar to humans, have a highly complex nervous system, and can perform a variety of complex eye movement tasks. Based on neuropsychology, the predecessors have developed a number of oculomotor paradigms that assess the cognitive function of macaques. The detection of eye movement characteristics in experimental tasks for non-human primates is a very important research tool in neurobiology.
At present, a monkey chair is mostly used for eye movement detection of non-human primates at home and abroad, the device comprises a seat space which is formed by surrounding a side plate, a front plate and a rear plate and can be used for an experimental animal to enter, and an upper panel and a head fixing plate are arranged above the seat space. In the eye movement detection process, the animal is limited in the monkey seat space, and the experiment is carried out by fixing the head through connecting the head fixing plate and the head column on the skull of the animal. At present, no test cage suitable for non-human primate eye movement experiments in a free activity state exists. The technical scheme has the following defects: 1. the animal needs to be trained before the experiment, so that the animal can enter the device in a matched mode. The training process is complicated and takes long time, the training process is closely related to operators, and the experimental result is easily influenced by experimenters; 2. before the experiment, the skull of the animal needs to be operated to install the cephalic pole, so that the risk of infection exists; 3. young monkeys are not suitable for mounting a head post due to incomplete skull development, and therefore cannot use the existing monkey chair apparatus for eye movement testing. However, many diseases (such as autism) can show eye movement abnormality in young monkeys, and the existing devices cannot realize eye movement detection of young monkeys; 4. the animal is in the stress state that the head is fixed in the experimentation, and the experimental result can not be real to reflect animal cognitive state to long-time fixed animal head can cause struggling of animal, increases the risk that the head post dropped.
Disclosure of Invention
The invention aims to provide an eye movement detection cage, which is convenient to test and improves the test accuracy.
In order to solve the technical problem, an embodiment of the invention provides an eye movement detection cage, which comprises a cage main body, a cage door, a movable plate, an infrared transparent plate and a transparent plate; an inlet and an outlet and a test window are arranged on the cage main body; the cage door is arranged at the inlet and the outlet of the cage main body and is used for opening and closing the inlet and the outlet; the movable plate is arranged in the cage main body in a sliding mode so as to move close to or far away from the test window; the infrared transmitting plate is positioned at the test window; an observation port is formed in the infrared-transmitting outer plate, the observation port is arranged opposite to the test window, and the size of the test window is larger than that of the observation port in the vertical direction; the infrared transmitting plate is arranged at the outer side of the cage main body in a sliding mode in the vertical direction, so that the observation port can move up and down to be conveniently adjusted to a position suitable for the height of the eyes of the animals in the cage; the transparent plate is arranged opposite to the observation port and covers the observation port.
The transparent plate and the infrared transmitting plate are fixedly connected and can move relative to the cage main body at the same time; alternatively, the first and second electrodes may be,
the transparent plate is fixedly connected with the cage main body, the transparent plate covers the test window, and the infrared transmitting plate is arranged in a sliding mode relative to the transparent plate.
The outer of the cage main body is provided with two sliding grooves, each sliding groove is arranged in the vertical direction, the two sliding grooves are respectively located on two sides of the test window, and two side edges of the infrared transparent plate are respectively arranged in the two sliding grooves in a sliding mode.
The outer side of the cage main body is fixed with a U-shaped plate, two support arms of the U-shaped plate are respectively located on two sides of the test window, and the sliding groove is formed between the support arms of the U-shaped plate and the outer wall of the cage main body.
The sliding groove and the infrared transmitting outer plate are in damping sliding fit; alternatively, the first and second electrodes may be,
the eye movement detection cage further comprises a locking screw for locking the positions of the infrared transmitting plate and the cage main body.
The cage door is plate-shaped and is connected to the cage main body in a sliding manner, and the sliding direction of the cage door is parallel to the plate surface of the cage door; the cage door is located in the cage main body in a closed state, and a gap exists between the cage door and an inlet and an outlet of the cage main body.
The cage door is provided with a strip-shaped through hole, the cage door is slidably arranged in the through hole in a penetrating mode, and one end of the cage door extends to the outer side of the cage body.
Wherein, be provided with the base station of bar on the inside bottom surface of cage main part, be provided with the bar groove on the base station, the bottom of cage door slides and sets up in the bar groove, base station detachably connect in the cage main part.
The movable plate is connected with a push-pull rod, the cage main body is provided with a push-pull hole, the push-pull rod penetrates through the push-pull hole in a sliding mode, the push-pull rod is arranged along the sliding direction of the movable plate, one end of the push-pull rod is fixedly connected with the movable plate, the other end of the push-pull rod extends to the outer side of the cage main body, and a push-pull handle is fixed at the end portion, located outside the cage main body, of the push-pull rod; alternatively, the first and second electrodes may be,
the cage is characterized in that a rotating hole is formed in the cage main body, a rotating shaft is arranged in the rotating hole in a rotating mode, external threads are arranged on the rotating shaft, a threaded hole is formed in the movable plate, the rotating shaft is in threaded connection with the threaded hole, one end of the rotating shaft extends to the outer side of the cage main body, and a rocker is fixed on the rotating shaft.
And hooks are fixed at the inlet and the outlet of the cage main body.
According to the eye movement testing cage provided by the invention, animals do not need to be trained before an experiment, so that the human interference is greatly reduced, and the efficiency is greatly improved; the movable range of the animal is limited through the movable plate, the head column does not need to be installed on the animal in an operation mode, and the risk of infection is avoided; the animal is in free activity state among the experimentation, and the experimental result is reliable, and adjustable infrared board position is passed through in the eye movement detects in order to adapt to the animal of co-altitude, can avoid animal limbs to stretch out outside the cage through the transparent plate.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic diagram of an eye movement detection cage according to a preferred embodiment of the present invention;
fig. 2 is an exploded view of an eye movement detection cage provided in a preferred embodiment of the present invention.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.
Referring to fig. 1-2, an eye movement detection cage provided in the preferred embodiment of the present invention is used for eye movement detection of non-human primates, and can solve the problem of how to detect eye movement of non-human leaders in a free-moving state.
The eye movement detection cage comprises a cage main body 1, a cage door 2, a movable plate 3, an infrared transparent plate 4 and a transparent plate 5.
The cage body 1 is provided with an access opening 101 and a test window 102. The entrance 101 is used for the non-human primate to enter and exit the cage body 1. Through the test window 102, the non-human primates inside the cage see the display screen outside the cage, and the eyes of the animals can move according to the content displayed by the display screen, and the eye tracker outside the cage can detect the eye movement of the animals.
The cage door 2 is provided at the entrance 101 of the cage main body 1 to open and close the entrance 101, and the non-human primate can be confined in the cage main body 1 by the cage door 2. The movable plate 3 is slidably disposed in the cage body 1 to move close to or away from the test window 102, the movable plate 3 is used for limiting the range of motion of the non-human primate, the non-human primate is between the range between the test window 102 and the movable plate 3, and the animal can be relatively close to the test window 102 or far away from the test window 102 by moving the movable plate 3, so as to facilitate the detection of the eye tracker.
The infrared transmitting plate 4 is arranged at the outer side of the cage body 1 in a vertical sliding manner, and the infrared transmitting plate 4 is located at the test window 102. The infrared transmitting plate 4 is transparent to infrared rays, and the eye tracker can capture eye signals through the red transmitting plate. The infrared transmitting plate 4 is provided with an observation port 40, the observation port 40 is arranged opposite to the test window 102, and the size of the test window 102 is larger than that of the observation port 40 in the vertical direction. Because the infrared-transmitting plate 4 can not transmit visible light, the animals can not transmit the infrared-transmitting plate 4 to see the display screen outside the cage in the cage, and the animals in the cage can see the display screen outside the cage through the observation port 40 by arranging the observation port 40 on the infrared-transmitting plate 4. The infrared transmitting plate 4 is movably disposed in the vertical direction with respect to the cage main body 1 so that the observation port 40 can be moved up and down so as to be adjusted to a position suitable for the eye height of the animal in the cage.
The transparent plate 5 is disposed opposite to the viewing port 40, and the transparent plate 5 covers the viewing port 40. The transparent plate 5 can be used for enabling the animals in the cage to see the display screen and preventing the limbs of the animals in the cage from extending out of the window.
In this embodiment, the transparent plate 5 and the infrared transmitting plate 4 are fixedly connected, and the two can move up and down relative to the cage main body at the same time. The transparent plate 5 and the infrared transmitting plate 4 can be fixedly connected through screws so as to be detached for cleaning, and of course, in other embodiments, the transparent plate 5 and the infrared transmitting plate 4 can also be fixedly connected through bonding. In addition, as another embodiment, the transparent plate 5 may be fixedly connected with the cage main body 1, the transparent plate 5 may cover and shade the test window 102 at the same time, and the infrared transmitting plate 4 is slidably disposed with respect to the transparent plate 5, so that only the infrared transmitting plate 4 may move up and down. The transparent plate 5 can be positioned between the infrared-transmitting plate 4 and the cage body 1, or the infrared-transmitting plate 4 can be positioned between the transparent plate 5 and the cage body 1, or the size of the transparent plate 5 is the same as that of the observation port 40, and the transparent plate 5 is embedded in the observation port 40. As an implementation manner, the transparent plate 5 may be located between the infrared-transmitting plate 4 and the cage body 1, and the transparent plate 5 is fixedly connected with the cage body 1, so as to prevent the animal in the cage from interfering with the up-and-down movement of the infrared-transmitting plate 4. In the above-described embodiments, the transparent plate 5 may be configured to cover the viewing port 40 all the time when the infrared-transmitting plate 4 moves up and down.
In this embodiment, cage main part 1 is provided with two spouts 103 outward, and each spout 103 all sets up to vertical, and two spouts 103 are located the both sides of test window 102 respectively, and the both sides limit of passing through infrared board 4 slides respectively and sets up in two spouts 103, through the cooperation of passing through infrared board 4 and spout 103 for it can be relative cage main part 1 along vertical to removing to pass through infrared board 4.
Further, the outer side of the cage main body 1 is fixed with a U-shaped plate 13, two support arms of the U-shaped plate 13 are respectively located on two sides of the test window 102, and the sliding groove 103 is formed between the support arms of the U-shaped plate 13 and the outer wall of the cage main body 1, so that the structure is simple, and the processing and forming are convenient.
In this embodiment, increase the spout 103 and pass through the frictional force between the infrared board 4 side for spout 103 and pass through infrared board 4 and be damping formula sliding fit, only can reciprocate through infrared board 4 under the exogenic action.
Furthermore, in other embodiments, the eye movement detection cage further comprises a locking screw for locking the position of the infrared-transmitting plate 4 with the cage body 1. In one implementation mode, a locking screw is in threaded connection with the U-shaped plate and penetrates through the U-shaped plate 3 to be capable of abutting against the outer wall of the cage body 1, when the infrared transmitting plate 4 needs to be moved, the locking screw is loosened, the end portion of the locking screw is separated from the infrared transmitting plate 4, and then the infrared transmitting plate 4 can move up and down; when the infrared plate 4 needs to be fixed, the locking screw is screwed in, so that the end part of the locking screw is abutted against the outer wall of the infrared plate 4, and the infrared plate 4 can be fixed with the cage main body 1. In another implementation, a locking screw is screwed to the infrared-transmitting plate 4, and the locking screw penetrates the infrared-transmitting plate 4 to be able to abut against the outer wall of the cage body 1. When the infrared transmitting plate 4 needs to be moved, the locking screw is loosened, the end part of the locking screw is separated from the cage main body 1, and the infrared transmitting plate 4 can move up and down; when needing to fix and passing through infrared board 4, precession locking screw for locking screw's tip supports and leans on in the outer wall of cage main part 1, can will pass through infrared board 4 and cage main part 1 is fixed.
As another implementation, threaded connection has a guide screw on the cage main part 1, it is provided with the bar hole along self sliding direction to pass through on the infrared board 4, the bar hole is worn to establish by the guide screw, it is located between guide screw's nut and the cage main part 1 to pass through infrared board 4, utilize the cooperation in guide screw and bar hole, can realize passing through reciprocating of infrared board 4, the guide screw screws of screwing, the nut that utilizes guide screw can compress tightly infrared board 4 at the nut with the outer wall time of cage main part 1, thereby realize passing through the location of infrared board 4.
In this embodiment, the door 2 is plate-shaped, the door 2 is slidably connected to the cage body 1, and the sliding direction of the door 2 is parallel to the plate surface of the door 2. The cage door 2 is positioned in the cage body 1 in a closed state, and a gap exists between the cage door 2 and the inlet and outlet 101 of the cage body 1. When it is necessary to insert the animal into the eye movement detecting cage, the entrance 101 is aligned with the opening of the animal cage, and the cage door 2 and the door of the cage are opened, so that the animal can be inserted into the eye movement detecting cage from the cage. Because the sliding door that cage door 2 set up for slide for 2 switching in-process of cage door need not separate eye motion detection cage and rearging cage, thereby make things convenient for the transfer of animal between eye motion detection cage and rearging cage. There is a gap between the cage door 2 and the entrance 101, thereby preventing the sliding of the cage door 2 from being interfered by the feeding cage.
The hook 14 is fixed at the inlet and outlet of the cage body 1, the cage body 1 can be hung on the rearing cage through the hook 14, the inlet and outlet 101 of the cage body 1 is aligned with the opening of the animal rearing cage, the transfer of animals is facilitated, the number of the hooks 14 can be set as required, and in the embodiment, the hooks 14 are two. Be provided with handle 11 on the top surface of cage main part 1 to the removal of eye-movement test cage is convenient, the quantity of handle 11 can set up as required, and in this embodiment, handle 11 is two.
Further, be provided with the through-hole 104 of bar on the cage main part 1, the through-hole 104 is worn to establish by the slip of cage door 2, and the one end of cage door 2 extends to the outside of cage main part 1 to the person of facilitating the use pushes and pulls cage door 2 in the cage main part 1 outside. In order to guarantee the gliding stability of cage door 2, be provided with the base station 12 of bar on the inside bottom surface of cage main part 1, be provided with bar groove 120 on the base station 12, the bottom of cage door 2 slides and sets up in bar groove 120. Base station 12 detachably connects in cage main part 1 to with base station 12 and cage main part 1 separation, conveniently wash inside. The base 12 can be connected with the cage body 1 by screws, and the screws are loosened when the base 12 needs to be detached. In addition, can also set up the draw-in groove on the interior bottom surface of cage main part 1, base station 12 can the joint in the draw-in groove, and it can to take out base station 12 from the draw-in groove when needing to dismantle base station 12.
Preferably, the cross section of the abutment 12 is in a convex shape, the strip-shaped groove 120 is arranged on the convex top surface of the abutment 12, and the contact area between the abutment 12 and the cage body 1 can be increased by using the convex abutment 12, so as to be beneficial to the stability of the abutment 12.
The latch 15 is arranged on the outer side of the cage body 1, the positioning hole 25 matched with the latch 15 is arranged on the cage door 2 and positioned on the outer side of the cage body 1, and the cage door 2 can be positioned in a state that the access 101 is closed through the matching of the latch 15 and the positioning hole 25.
Preferably, the cage door 2 may be transparent to facilitate a user viewing the condition of the animals in the cage from the outside of the cage. The cage door 2 is provided with a plurality of door holes 20, ventilation can be facilitated by the aid of the door holes 20, and meanwhile food can be thrown into the cage, so that animals in the cage can listen to commands.
The cage door 2 is further provided with a handle hole 26 at the outer side of the cage main body 1, and the handle hole 26 is utilized to facilitate the operation of the cage door 2 by a user.
The movable plate 3 is slidably disposed in the cage body 1 and can move toward or away from the test window 102. The movable plate 3 may be a metal mesh plate, or may be a transparent plate 5 or other plate.
The movable plate 3 is connected with a push-pull rod 31, the cage body 1 is provided with push-pull holes (not shown in the figure), the push-pull rod 31 is slidably inserted through the push-pull holes, the push-pull rod 31 is arranged along the sliding direction of the movable plate 3, one end of the push-pull rod 31 is fixedly connected with the movable plate 3, the other end of the push-pull rod 31 extends to the outer side of the cage body 1, and the end part of the push-pull rod 31, which is positioned outside the cage body 1, is fixedly provided with a push-pull handle 32. The user can hold the push-pull handle 32 by hand, and the push-pull rod 31 can be operated by using the push-pull handle 32 so as to drive the movable plate 3 inside the cage body 1 to move, thereby limiting the moving range of the animals in the cage.
Further, four push-pull rods 31 are fixed on the movable plate 3, four push-pull holes are formed, and the push-pull rods 31 are correspondingly matched with the push-pull holes one by one. The number of the push-pull handles 32 is two, one push-pull handle 32 is connected with the two push-pull rods 31 in a U shape, the two push-pull handles 32 can be used for facilitating a user to move the movable plate 3, and the four push-pull rods 31 can be used for ensuring the moving stability of the movable plate 3.
The outer side wall of the cage body 1 is provided with a spring lock catch 33 for positioning the push-pull rod 31, and the spring lock catch 33 abuts against the push-pull rod 31. When it is necessary to move the movable plate 3, the spring catch 33 may be pulled to unlock the push-pull rod 31, so that the push-pull rod 31 moves together with the movable plate 3. After the movable plate 3 is moved to the proper position, the spring lock 33 abuts against the push-pull rod 31 to position the position of the push-pull rod 31, so as to position the position of the movable plate 3.
Here, in other embodiments, it may also be that, be provided with the commentaries on classics hole on the cage main part 1, the commentaries on classics hole rotation is provided with the pivot, is provided with the external screw thread in the pivot, is provided with the screw hole on the fly leaf 3, pivot threaded connection in screw hole, and the one end of pivot extends to the cage main part 1 outside, and is fixed with the rocker, and the user makes the pivot rotate through the rocker, utilizes the external screw thread of pivot and the cooperation of screw hole, can make the fly leaf 3 remove in the cage.
The eye movement detection cage provided by the invention is a transfer and test integrated cage. Set up test window 102 on the cage main part 1, test window 102 covers the infrared board 4 that passes through that can reciprocate and lock solid outward, passes through and opens viewing aperture 40 in the middle of infrared board 4, passes through infrared board 4 and covers transparent plate 5, and the animal can be through test window 102, viewing aperture 40 in the cage and observe the test display screen outside the cage, utilizes transparent plate 5 can avoid the animal limbs in the cage to stretch out outside the window. A cross bar is arranged on one surface of the cage body 1, which contains the infrared transmitting plate 4, so that the cage body is convenient for animals to grasp, and the cage body is beneficial for the animals to finish tasks under natural sitting postures. The cage body 1 is internally provided with a movable plate 3 which can move back and forth and is locked, and the movable plate 3 can limit the interaction range of animals in the cage. The bottom in the cage body 1 can be also provided with a grid-shaped metal net so that the animal excrement can fall down conveniently. The transparent cage door 2 capable of being pushed in and pulled out from the side face of the cage is arranged at the inlet and outlet 101 of the cage main body 1, and the cage door 2 is provided with the door hole 20, so that experimenters can conveniently give food rewards to animals.
When the eye movement detection cage is used, the cage door 2 is pulled out, and the device is hung on a monkey feeding cage by using the hook 14 on the top surface of the cage. The monkey gets into and pushes transparent door and lock solid behind this device, transports the eye motion detection cage to the test room, observes the condition of transporting in-process monkey from transparent cage door 2 department. After the infrared transmitting plate 4 is transported to the proper position, the surface where the infrared transmitting plate 4 is located faces the eye tracker. The animal can look through the observation window on the infrared plate 4 to the screen, and the eye movement signal is recorded by the eye movement instrument.
Computer applications and multimedia applications for the eye movement testing of the present invention are known in the art and known to those of ordinary skill in the art.
According to the eye movement detection cage provided by the invention, animals do not need to be trained before an experiment, so that the human interference is greatly reduced, and the efficiency is greatly improved; the head post does not need to be installed on the animal in an operation, so that the risk of infection is avoided; the position of the infrared-transmitting plate 4 can be adjusted during eye movement detection so as to adapt to monkeys of different specifications, including young monkeys; the animal is in a free movement state in the experimental process, and the experimental result is reliable.
The eye movement detection cage provided by the invention is used for detecting eye movement of young cynomolgus monkeys in a free movement state. The device is used for successfully detecting the eye movement signals of the animals in the free movement state, and the device is proved to have operation feasibility.
The above embodiments do not limit the scope of the present invention. Any modification, equivalent replacement, and improvement made within the spirit and principle of the above-described embodiments should be included in the protection scope of the technical solution.
Claims (10)
1. An eye movement detection cage is characterized by comprising a cage main body, a cage door, a movable plate, an infrared transmitting plate and a transparent plate; an inlet and an outlet and a test window are arranged on the cage main body; the cage door is arranged at the inlet and the outlet of the cage main body and is used for opening and closing the inlet and the outlet; the movable plate is arranged in the cage main body in a sliding mode so as to move close to or far away from the test window; the infrared transmitting plate is positioned at the test window; an observation port is formed in the infrared-transmitting outer plate, the observation port is arranged opposite to the test window, and the size of the test window is larger than that of the observation port in the vertical direction; the infrared transmitting plate is arranged at the outer side of the cage main body in a sliding mode in the vertical direction, so that the observation port can move up and down to be conveniently adjusted to a position suitable for the height of the eyes of the animals in the cage; the transparent plate is arranged opposite to the observation port and covers the observation port.
2. The eye movement detection cage of claim 1, wherein the transparent plate is fixedly attached to the infrared transmissive plate and both are simultaneously movable relative to the cage body; alternatively, the first and second electrodes may be,
the transparent plate is fixedly connected with the cage main body, the transparent plate covers the test window, and the infrared transmitting plate is arranged in a sliding mode relative to the transparent plate.
3. The eye movement detection cage according to claim 1, wherein two sliding grooves are disposed outside the cage main body, each sliding groove is disposed along a vertical direction, the two sliding grooves are respectively disposed on two sides of the test window, and two side edges of the infrared transparent plate are respectively slidably disposed in the two sliding grooves.
4. The eye movement detection cage according to claim 3, wherein a U-shaped plate is fixed to an outer side of the cage main body, two arms of the U-shaped plate are respectively located at both sides of the test window, and the sliding groove is formed between the arms of the U-shaped plate and an outer wall of the cage main body.
5. The eye movement detection cage of claim 3, wherein the chute is in a damped sliding fit with the infrared transparent plate; alternatively, the first and second electrodes may be,
the eye movement detection cage further comprises a locking screw for locking the positions of the infrared transmitting plate and the cage main body.
6. The eye movement detection cage of claim 1, wherein the cage door is plate-shaped, the cage door is slidably connected to the cage body, and a sliding direction of the cage door is parallel to a plate surface of the cage door; the cage door is located in the cage main body in a closed state, and a gap exists between the cage door and an inlet and an outlet of the cage main body.
7. The eye movement detection cage of claim 6, wherein the cage body is provided with a strip-shaped through hole, the cage door is slidably inserted through the through hole, and one end of the cage door extends to the outer side of the cage body.
8. The eye movement detection cage according to claim 6, wherein a strip-shaped base platform is arranged on the bottom surface inside the cage body, a strip-shaped groove is formed in the base platform, the bottom end of the cage door is slidably arranged in the strip-shaped groove, and the base platform is detachably connected to the cage body.
9. The eye movement detection cage of claim 1, wherein a push-pull rod is connected to the movable plate, a push-pull hole is formed in the cage body, the push-pull rod is slidably inserted through the push-pull hole, the push-pull rod is arranged along the sliding direction of the movable plate, one end of the push-pull rod is fixedly connected with the movable plate, the other end of the push-pull rod extends to the outside of the cage body, and a push-pull handle is fixed to the end of the push-pull rod, which is located outside the cage body; alternatively, the first and second electrodes may be,
the cage is characterized in that a rotating hole is formed in the cage main body, a rotating shaft is arranged in the rotating hole in a rotating mode, external threads are arranged on the rotating shaft, a threaded hole is formed in the movable plate, the rotating shaft is in threaded connection with the threaded hole, one end of the rotating shaft extends to the outer side of the cage main body, and a rocker is fixed on the rotating shaft.
10. The eye movement detection cage of claim 1, wherein a hook is fixed at an access port of the cage body.
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| CN201711381339.0A CN109924982B (en) | 2017-12-19 | 2017-12-19 | Eye movement detection cage |
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| CN205073065U (en) * | 2015-10-28 | 2016-03-09 | 北京大学第一医院 | Animal control cage |
| CN205268326U (en) * | 2015-12-16 | 2016-06-01 | 中国人民解放军军事医学科学院毒物药物研究所 | Chair is fixed to inhuman primate |
| CN107041322A (en) * | 2017-05-02 | 2017-08-15 | 中国人民解放军军事医学科学院基础医学研究所 | Non-human primates vision and Cognitive Function Research system |
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2017
- 2017-12-19 CN CN201711381339.0A patent/CN109924982B/en active Active
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