Multifunctional animal behavior test box

By designing a multifunctional animal behavior test box, the design of the connectors solved the problem of unstable suspension of mice in tail suspension experiments, achieving more natural fixation and more efficient experimental operations. Combined with the forced swimming device, the experimental efficiency was improved .

CN222216780UActive Publication Date: 2024-12-24SHENZHEN INST OF ADVANCED TECH
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Patent Information

Application Number
CN202420735894.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-04-10
Publication Date
2024-12-24
Estimated Expiration
2034-04-10

AI Technical Summary

Technical Problem

The existing tail hanging experimental methods have problems such as tail extension, crawling problems and unstable pasting when hanging the tail of mice, which increases the risk of experiment failure and is not streamlined enough.

Method used

A multifunctional animal behavior test box is designed, including a base plate, a back plate, a top plate and a connector. The connector is located in the experimental space. The first surface is connected to the top plate, the second surface is facing the bottom plate, and the third surface is used to fix the experimental animals. , avoid tail bending and climbing, and combine forced swimming devices to improve experimental efficiency.

Benefits of technology

The natural fixation of the suspended state of mice is achieved, which reduces the experimental failure rate, improves the experimental efficiency, and supports multifunctional animal behavior testing.

✦ Generated by Eureka AI based on patent content.

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Abstract

The embodiment of the utility model provides a multifunctional animal behavior test box. The multifunctional animal behavior test box comprises an experiment unit, and the experiment unit comprises a bottom plate, a back plate, a top plate and a connecting piece. The bottom plate is used for supporting and bearing; the back plate is connected with the bottom plate; the top plate and the bottom plate are arranged at an interval to define an experiment space, the top plate is connected with the back plate, and the back plate is arranged between the top plate and the bottom plate; a connecting piece is connected with the top plate, the connecting piece is located in the experiment space, the connecting piece comprises a first surface, a second surface and a third surface, the first surface and the second surface are arranged in a spaced mode, the third surface is connected with the first surface and the second surface, the first surface is connected with the top plate, and the second surface is connected with the top plate. The second surface is arranged towards the bottom plate, a gap is kept between the second surface and the bottom plate, and the third surface is used for fixing an experimental animal.
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Description

Technical Field

[0001] The present application relates to the field of biomedical technology, and in particular to a multifunctional animal behavior testing box. Background Art

[0002] Depression can have a devastating impact on the patient's mind and body, and is the disease that causes the greatest socioeconomic burden in the 21st century. Scientists around the world are working hard to break through the pathogenesis and treatment of depression. Among them, the animal model of depression induced by mice is the most commonly used experimental paradigm. Specifically, scientists induce mouse depression models through acute or chronic external stress conditions. The classic methods for evaluating the depressive behavior of mice include sugar water preference, tail suspension, forced swimming, etc. The tail suspension experiment refers to fixing the tail of the mouse on the top of the box, so that it is hung upside down at a height of more than 30 cm. The mouse will instinctively curl up and try to restore its position. After struggling to no avail, the mouse will become motionless due to despair or physical exhaustion, and the depressed mouse will show a significantly longer desperate immobility time. Therefore, the tail suspension experiment can not only test the desperate behavior of mice in the tail suspension state, that is, the time to remain still, but also induce short-term anxiety in mice by short-term tail suspension. The forced swim test is similar to the tail suspension test, in which mice are placed in a 10-cm diameter, 15 to 18-cm high bucket, and their depression level is evaluated by recording the time they float motionless on the water surface for 4 to 6 minutes.

[0003] At present, the suspension method of the tail suspension experiment is: 1. Wrap the mouse tail with a thin rope, and then tie the rope to the top of the box with an opening. This method extends the mouse tail to a certain extent, so in order to achieve the required height of the experiment, the box needs to be raised. Secondly, this suspension method makes it easy for some mice to climb up their tails, or grab the thin rope, causing the tail suspension to fail. Therefore, some experimenters will put a hollow cylinder smaller than the width of the mouse body on the tail of the mouse to prevent it from climbing up the tail, but this method will increase its weight, and the mouse needs to adapt to the cylinder, increasing the variables and operation time of the experiment. 2. Directly stick the mouse tail to the top surface of the box. This method prevents the mouse from climbing up the tail, but there are requirements for the location of the paste and the strength of the tape, otherwise it is easy to fall off, and the tail end of the mouse tail needs to be bent 90°, which is not its normal state. However, the above two solutions are not concise enough and increase the risk of experimental failure. How to solve the above problems is what the skilled technicians need to consider. Utility Model Content

[0004] In order to solve the problems in the prior art, an embodiment of the present application provides a multifunctional animal behavior testing box.

[0005] The embodiment of the present application provides a multifunctional animal behavior test box, including an experimental unit, which includes a bottom plate, a back plate, a top plate and a connecting piece. The bottom plate is used for support and bearing; the back plate is connected to the bottom plate; the top plate and the bottom plate are spaced apart to define an experimental space, the top plate is connected to the back plate, and the back plate is arranged between the top plate and the bottom plate; the connecting piece is connected to the top plate, and the connecting piece is located in the experimental space, and the connecting piece includes a first surface, a second surface and a third surface, the first surface is spaced apart from the second surface, the third surface connects the first surface and the second surface, the first surface is connected to the top plate, the second surface is arranged toward the bottom plate and is spaced apart from the bottom plate, and the third surface is used to fix the experimental animal.

[0006] In one embodiment, the experimental unit also includes two side panels, which are spaced apart from each other, and each of the side panels is connected to the bottom panel, the back panel and the top panel to cooperate to form the experimental space. The two ends of the connecting member are respectively connected to the two side panels, and the third surface extends from one side panel to the other side panel.

[0007] In one embodiment, the experimental unit has an observation window, the experimental space is exposed through the observation window, and the third surface is arranged opposite to the observation window.

[0008] In one embodiment, the connecting member also includes a fourth surface, the fourth surface is connected to the first surface and the second surface, the third surface and the fourth surface are spaced apart on two opposite sides of the connecting member, the fourth surface is arranged toward the back plate and is spaced apart from the back plate, and the third surface is away from the back plate and is spaced apart from the observation window.

[0009] In one embodiment, the experimental unit further includes a color-changing piece, which is detachably disposed on the surface of the back plate facing the observation window, and is made of an opaque material, and the color of the color-changing piece is different from the color of the back plate.

[0010] In one embodiment, the first surface, the second surface, and the third surface have the same length, and the third surface has a width greater than that of the first surface or the second surface.

[0011] In one embodiment, the connecting member is in a cubic shape, the first surface, the second surface and the third surface correspond to the side surfaces of the connecting member, the connecting member also includes a fourth surface, a fifth surface and a sixth surface, the fourth surface is arranged opposite to the third surface, the fifth surface and the sixth surface correspond to the end surfaces of the connecting member, and the fifth surface and the sixth surface are both connected to the first surface, the second surface, the third surface and the fourth surface.

[0012] In one embodiment, the connecting piece has a length of 15 cm, a width of 3 cm, and a height of 5 cm. The experimental unit is in a cubic shape. The length of the experimental unit is 15 cm, the width is 25 cm, and the height is 40 cm. The distance from the fourth surface to the back panel is 11 cm.

[0013] In one embodiment, it further comprises a forced swimming device, which can be accommodated in the experimental space and is used to contain liquid to perform a forced swimming experiment on experimental animals.

[0014] In one embodiment, there are multiple experimental units, and the multiple experimental units are arranged side by side.

[0015] It is understandable that the multifunctional animal behavior test box provided in the embodiment of the present application includes an experimental unit, and the number of the experimental units can be multiple, and multiple experimental units can be used to perform at least one separate experiment, and the cooperation of multiple experimental units can improve the efficiency of the experiment. The bottom plate, the back plate and the top plate cooperate with each other to limit the experimental space, so that animal behavior experiments can be carried out in the experimental space. The connecting piece is located in the experimental space and connected to the top plate, and can be used to fix the experimental animal so that the animal behavior experiment can be carried out. The first surface of the connecting piece is connected to the top plate, and the second surface is disposed toward the bottom plate and spaced from the bottom plate, so that there is enough experimental space between the connecting piece and the bottom plate, and the third surface between the first surface and the second surface is used to fix the experimental animal, which can not only enable the experimenter to conveniently fix the experimental animal to the connecting piece, but also the tail of the fixed experimental animal is not bent as much as possible, the hanging state of the experimental animal is more natural, and the experimental animal is not easy to climb up through the connecting piece. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 A schematic diagram of the structure of a multifunctional animal behavior testing box provided in one embodiment of the present application.

[0017] Figure 2 A three-dimensional schematic diagram of a connection piece of a multifunctional animal behavior testing box provided in one embodiment of the present application at one angle.

[0018] Figure 3A three-dimensional schematic diagram of a connecting piece of a multifunctional animal behavior testing box provided in an embodiment of the present application from another angle.

[0019] Figure 4 A schematic diagram of the working status of a multifunctional animal behavior testing box provided in one embodiment of the present application.

[0020] Figure 5 A schematic structural diagram of a multifunctional animal behavior testing box provided in another embodiment of the present application.

[0021] Figure 6 A schematic structural diagram of a multifunctional animal behavior testing box provided in yet another embodiment of the present application.

[0022] Figure 7 A schematic structural diagram of a multifunctional animal behavior testing box provided in yet another embodiment of the present application.

[0023] Main component symbols

[0024] Multifunctional Animal Behavior Test Box 10

[0025] Experimental Unit 11

[0026] Experimental Space 110

[0027] Bottom plate 111

[0028] Top plate 112

[0029] Back panel 113

[0030] Side Panel 114

[0031] Connector 115

[0032] First surface 1151

[0033] Second surface 1152

[0034] The third surface 1153

[0035] Fourth surface 1154

[0036] Fifth surface 1155

[0037] Sixth surface 1156

[0038] Observation window 116

[0039] Color change 117

[0040] Forced swimming device 12

[0041] Camera unit 13

[0042] The following specific implementation methods will further illustrate the present application in conjunction with the above-mentioned drawings. DETAILED DESCRIPTION

[0043] The following description will refer to the accompanying drawings to more fully describe the content of the present application. The accompanying drawings show exemplary embodiments of the present application. However, the present application can be implemented in many different forms and should not be interpreted as being limited to the exemplary embodiments set forth herein. These exemplary embodiments are provided to make the present application thorough and complete, and to fully convey the scope of the present application to those skilled in the art. Similar reference numerals represent identical or similar components. The terms used herein are only used for the purpose of describing specific exemplary embodiments and are not intended to limit the present application. As used herein, unless the context clearly indicates otherwise, the singular forms "one", "an" and "the" are intended to also include plural forms. In addition, when used herein, "including" and / or "comprising" and / or "having", integers, steps, operations, components and / or components, but do not exclude the presence or addition of one or more other features, regions, integers, steps, operations, components and / or their groups. Unless otherwise defined, all terms (including technical and scientific terms) used herein have the same meanings as those generally understood by ordinary technicians in the field to which the present application belongs. Furthermore, unless explicitly defined herein, terms such as those defined in general dictionaries should be interpreted as having meanings consistent with their meanings in the relevant art and the content of this application, and will not be interpreted as idealized or overly formal meanings.

[0044] Generally, the current hanging method of the tail suspension experiment is: 1. Wrap the mouse tail with a thin rope, and then tie the rope to the top of the box with an opening. This method extends the mouse tail to a certain extent, so in order to achieve the required height of the experiment, the box needs to be raised. Secondly, this hanging method makes it easy for some mice to climb up their tails, or grab the thin rope, causing the tail suspension to fail. Therefore, some experimenters will put a hollow cylinder smaller than the width of the mouse body on the mouse's tail to prevent it from climbing up the tail, but this method will increase its weight, and the mouse needs to adapt to the cylinder, increasing the variables and operation time of the experiment. 2. Directly stick the mouse tail to the top surface of the box. This method prevents the mouse from climbing up the tail, but there are requirements for the location of the paste and the strength of the tape, otherwise it is easy to fall off, and the tail end of the mouse tail needs to be bent 90°, which is not its normal state. However, the above two solutions are not streamlined enough and increase the risk of experimental failure.

[0045] Correspondingly, an embodiment of the present application provides a multifunctional animal behavior test box. The multifunctional animal behavior test box includes an experimental unit, and the experimental unit includes a bottom plate, a back plate, a top plate and a connecting piece. The bottom plate is used for support and bearing; the back plate is connected to the bottom plate; the top plate and the bottom plate are spaced apart to define an experimental space, the top plate is connected to the back plate, and the back plate is arranged between the top plate and the bottom plate; the connecting piece is connected to the top plate, and the connecting piece is located in the experimental space, and the connecting piece includes a first surface, a second surface and a third surface, the first surface is spaced apart from the second surface, the third surface connects the first surface and the second surface, the first surface is connected to the top plate, the second surface faces the bottom plate and is spaced apart from the bottom plate, and the third surface is used to fix the experimental animal.

[0046] Therefore, the multifunctional animal behavior test box provided in the embodiment of the present application includes an experimental unit, and the number of the experimental units can be multiple, and multiple experimental units can be used to perform at least one separate experiment, and the cooperation of multiple experimental units can improve the efficiency of the experiment. The bottom plate, the back plate and the top plate cooperate with each other to limit the experimental space, so that animal behavior experiments can be carried out in the experimental space. The connecting piece is located in the experimental space and connected to the top plate, and can be used to fix the experimental animal so that the animal behavior experiment can be carried out. The first surface of the connecting piece is connected to the top plate, and the second surface is disposed toward the bottom plate and spaced from the bottom plate, so that there is enough experimental space between the connecting piece and the bottom plate, and the third surface between the first surface and the second surface is used to fix the experimental animal, which can not only enable the experimenter to conveniently fix the experimental animal to the connecting piece, but also the tail of the fixed experimental animal is not bent as much as possible, and the hanging state of the experimental animal is more natural, and the experimental animal is not easy to climb up through the connecting piece.

[0047] The following will describe exemplary embodiments in conjunction with the accompanying drawings. It should be noted that the components depicted in the reference drawings are not necessarily shown to scale; and the same or similar components will be given the same or similar reference numerals or similar technical terms.

[0048] The specific implementation methods of the present application are further described in detail below with reference to the accompanying drawings.

[0049] like Figures 1 to 3 As shown, the embodiment of the present application provides a multifunctional animal behavior test box 10, which includes an experimental unit 11. There are multiple experimental units 11, and the multiple experimental units 11 are arranged side by side.

[0050] In one embodiment, the experimental unit 11 includes a bottom plate 111 , a back plate 113 , a top plate 112 and a connecting member 115 . The bottom plate 111 is used for supporting and bearing; the back plate 113 is connected to the bottom plate 111; the top plate 112 and the bottom plate 111 are spaced apart to define an experimental space 110, the top plate 112 is connected to the back plate 113, and the back plate 113 is arranged between the top plate 112 and the bottom plate 111; the connecting member 115 is connected to the top plate 112, and the connecting member 115 is located in the experimental space 110, and the connecting member 115 includes a first surface 1151, a second surface 1152 and a third surface 1153, the first surface 1151 and the second surface 1152 are spaced apart, the third surface 1153 connects the first surface 1151 and the second surface 1152, the first surface 1151 is connected to the top plate 112, the second surface 1152 faces the bottom plate 111 and is spaced apart from the bottom plate 111, and the third surface 1153 is used to fix experimental animals (such as mice).

[0051] It can be understood that the bottom plate 111, the back plate 113 and the top plate 112 cooperate with each other to define the experimental space 110 so as to carry out animal behavior experiments in the experimental space 110. The connector 115 is located in the experimental space 110 and connected to the top plate 112, and can be used to fix the experimental animals so that the animal behavior experiments can be carried out. The first surface 1151 of the connector 115 is connected to the top plate 112, and the second surface 1152 faces the bottom plate 111 and is spaced from the bottom plate 111, so that there is enough experimental space 110 between the connector 115 and the bottom plate 111. At the same time, the third surface 1153 located between the first surface 1151 and the second surface 1152 is used to fix the experimental animals, which not only enables the experimenter to conveniently fix the experimental animals to the connector 115, but also the tail of the fixed experimental animals is not bent as much as possible, the hanging state of the experimental animals is more natural, and the experimental animals are not easy to climb up through the connector 115.

[0052] In one embodiment, the experimental unit 11 further includes two side panels 114. The two side panels 114 are spaced apart, and each side panel 114 is connected to the bottom panel 111, the back panel 113, and the top panel 112 to cooperate to form the experimental space 110. The two ends of the connecting member 115 are respectively connected to the two side panels 114, and the third surface 1153 extends from one side panel 114 to the other side panel 114.

[0053] It can be understood that the two side panels 114 are respectively connected to the top panel 112, the back panel 113, and the bottom panel 111, which can strengthen the overall structure of the experimental unit 11. On the other hand, when multiple experimental units 11 are combined for experiments, the side panels 114 can isolate adjacent experimental units 11 to a certain extent to avoid mutual interference; and the adjacent experimental units 11 can share the side panels 114.

[0054] It can be understood that the two ends of the connecting piece 115 are respectively connected to the two side panels 114, that is, the connecting piece 115 is extended along the spacing direction of the two side panels 114, and the third surface 1153 also extends from one side to the other side, so that the experimenter can more conveniently fix the experimental animal to the connecting piece 115.

[0055] In this embodiment, the bottom plate 111 and the back plate 113 may be vertically connected, the top plate 112 and the back plate 113 may be vertically connected, and the side plate 114 and the bottom plate 111 , the back plate 113 and the top plate 112 may all be vertically connected.

[0056] In one embodiment, the first surface 1151 , the second surface 1152 , and the third surface 1153 have the same length, and the width of the third surface 1153 is greater than the width of the first surface 1151 or the width of the second surface 1152 .

[0057] It can be understood that the third surface 1153 has a larger width. The third surface 1153 has a larger width along the spacing direction between the top plate 112 and the bottom plate 111. When the experimental animal is fixed along this direction, more operating space is left for the experimenter.

[0058] In this embodiment, during the specific experimental operation, the mouse can be placed on the experimenter's hand for 1 minute to adapt, and then a piece of paper tape 8 cm long and 2 cm wide is cut and pasted on the mouse's tail 3 cm away, and then the mouse's tail is pasted on the third surface 1153 to complete the fixation of the mouse.

[0059] In one embodiment, the experimental unit 11 has an observation window 116 , the experimental space 110 is exposed through the observation window 116 , and the third surface 1153 is disposed opposite to the observation window 116 .

[0060] It can be understood that the experimental unit 11 is generally an open structure, and the third surface 1153 for fixing the experimental animal is arranged opposite to the observation window 116, through which the behavior of the experimental animal in the experimental space 110 can be observed and recorded. Figure 4 As shown, a camera unit 13 may be disposed outside the experimental unit 11. The camera unit 13 is about 30 cm high. The lens of the camera unit 13 is disposed facing at least one observation window 116 for recording mouse behavior.

[0061] In one embodiment, the connecting member 115 also includes a fourth surface 1154, the fourth surface 1154 is connected to the first surface 1151 and the second surface 1152, the third surface 1153 and the fourth surface 1154 are spaced apart on two opposite sides of the connecting member 115, the fourth surface 1154 faces the back plate 113 and is spaced apart from the back plate 113, and the third surface 1153 faces away from the back plate 113 and is spaced apart from the observation window 116.

[0062] It can be understood that the connecting member 115 is disposed approximately in the middle of the top plate 112 to facilitate the placement and observation of experimental animals.

[0063] Further integration Figure 2 and Figure 3 As shown, in one embodiment, the connecting member 115 is in a cubic shape, and the first surface 1151, the second surface 1152 and the third surface 1153 correspond to the side surfaces of the connecting member 115. The connecting member 115 also includes a fourth surface 1154, a fifth surface 1155 and a sixth surface 1156. The fourth surface 1154 is arranged opposite to the third surface 1153, the fifth surface 1155 and the sixth surface 1156 correspond to the end surfaces of the connecting member 115, and the fifth surface 1155 and the sixth surface 1156 are both connected to the first surface 1151, the second surface 1152, the third surface 1153 and the fourth surface 1154.

[0064] In one embodiment, the connecting member 115 has a length of 15 cm, a width of 3 cm, and a height of 5 cm. The experimental unit 11 is in a cubic shape. The length of the experimental unit 111 is 15 cm, the width is 25 cm, and the height is 40 cm. The distance from the fourth surface 1154 to the back panel 113 is 11 cm.

[0065] It can be understood that the connection member 115 is set in a cubic shape to facilitate the production of the connection member 115. On the other hand, the third surface 1153 of the cubic connection member 115 is substantially perpendicular to the top plate 112, so that the tail of the mouse can be kept in a natural vertical state as much as possible after being fixed; at the same time, the third surface 1153 of the cubic connection member 115 corresponds to the side surface with a larger area of ​​the cube, so that the experimenter can fix the experimental animal more conveniently.

[0066] Further integration Figure 5 As shown, in one embodiment, the experimental unit 11 also includes a color-changing piece 117 , which is detachably arranged on the surface of the back panel 113 facing the observation window 116 , and the color-changing piece 117 is made of an opaque material, and the color of the color-changing piece 117 is different from the color of the back panel 113 .

[0067] In this embodiment, the bottom plate 111, the top plate 112, the side plate 114, the back plate 113 and the connecting member 115 can all be made of white acrylic plates with a thickness of about 5 cm. When the experimental animal is dark (e.g., a black mouse), the white acrylic plate has a relatively strong contrast with the color of the experimental animal itself, which is convenient for observation. When the experimental animal is white (e.g., a white mouse), a color-changing member 117 can be attached to the back plate 113. The color-changing member 117 can be made of a dark (e.g., black) film or plate to change the background color during observation and improve observation efficiency.

[0068] Further integration Figure 6 As shown, in one embodiment, it also includes a forced swimming device 12, which can be accommodated in the experimental space 110, and the forced swimming device 12 is used to contain liquid to perform a forced swimming experiment on the experimental animal.

[0069] In this embodiment, the forced swimming device 12 can be a cylindrical barrel with an opening. The size of the forced swimming device 12 can be selected to be accommodated in the experimental space 110. Liquid (such as water) can be set inside the forced swimming device 12 to conduct a forced swimming experiment.

[0070] It can be understood that the forced swimming device 12 can be a structure that has no fixed connection with the experimental unit 11, and the forced swimming device 12 can be used as a supplement to the experimental unit 11 to expand the applicable scenarios of the multifunctional animal behavior test box 10. The forced swimming device 12 can be carried by the bottom plate 111, so that the forced swimming device 12 is within the shooting range of the camera unit 13 to record the experiment.

[0071] In one embodiment, the multifunctional animal behavior testing box 10 provided in the embodiment of the present application includes an experimental unit 11. The number of experimental units can be multiple. Each experimental unit 11 can be used to perform at least one separate experiment. Multiple experimental units 11 cooperate to perform multiple experiments to improve experimental efficiency.

[0072] In this embodiment, the plurality of experimental units 11 may be integrally formed. Figure 7 As shown, the multiple experimental units 11 can also be separately arranged, and the multiple experimental units 11 have approximately the same or completely equal size parameters. By splicing multiple split experimental units 11, a multifunctional animal behavior test box 10 with multiple side-by-side experimental units 11 can be obtained.

[0073] In the above, the specific implementation of the present application is described with reference to the accompanying drawings. However, those skilled in the art will appreciate that various changes and substitutions may be made to the specific implementation of the present application without departing from the spirit and scope of the present application. These changes and substitutions are all within the scope defined by the present application.

Claims

1. A multifunctional animal behavior test box, characterized in that: The invention comprises an experimental unit, wherein the experimental unit comprises: Base plate, which is used for support and bearing; A back plate connected to the bottom plate; A top plate, which is spaced apart from the bottom plate to define an experimental space, the top plate is connected to the back plate, and the back plate is arranged between the top plate and the bottom plate; A connecting piece connected to the top plate, the connecting piece is located in the experimental space, the connecting piece includes a first surface, a second surface and a third surface, the first surface is spaced apart from the second surface, the third surface connects the first surface and the second surface, the first surface is connected to the top plate, the second surface is arranged toward the bottom plate and spaced apart from the bottom plate, and the third surface is used to fix the experimental animal.

2. The multifunctional animal behavior test box according to claim 1, characterized in that: The experimental unit also includes two side panels, which are spaced apart from each other. Each of the side panels is connected to the bottom panel, the back panel and the top panel to cooperate to form the experimental space. Both ends of the connecting piece are respectively connected to the two side panels, and the third surface extends from one side panel to the other side panel.

3. The multifunctional animal behavior test box according to claim 1, characterized in that: The experimental unit has an observation window, the experimental space is exposed through the observation window, and the third surface is arranged opposite to the observation window.

4. The multifunctional animal behavior test box according to claim 3, characterized in that: The connecting member also includes a fourth surface, which is connected to the first surface and the second surface. The third surface and the fourth surface are spaced apart on two opposite sides of the connecting member. The fourth surface is arranged toward the back plate and is spaced apart from the back plate, and the third surface is away from the back plate and is spaced apart from the observation window.

5. The multifunctional animal behavior test box according to claim 3, characterized in that: The experimental unit also includes a color-changing piece, which is detachably arranged on the surface of the back plate facing the observation window, and is made of an opaque material, and the color of the color-changing piece is different from the color of the back plate.

6. The multifunctional animal behavior test box according to claim 1, characterized in that: The first surface, the second surface, and the third surface have the same length, and the third surface has a width greater than that of the first surface or the second surface.

7. The multifunctional animal behavior test box according to claim 1, characterized in that: The connecting member is in a cubic shape, the first surface, the second surface and the third surface correspond to the side surfaces of the connecting member, the connecting member also includes a fourth surface, a fifth surface and a sixth surface, the fourth surface is arranged opposite to the third surface, the fifth surface and the sixth surface correspond to the end surfaces of the connecting member, and the fifth surface and the sixth surface are both connected to the first surface, the second surface, the third surface and the fourth surface.

8. The multifunctional animal behavior test box according to claim 7, characterized in that: The connecting piece has a length of 15 cm, a width of 3 cm, and a height of 5 cm. The experimental unit is in a cubic shape. The length of the experimental unit is 15 cm, the width is 25 cm, and the height is 40 cm. The distance from the fourth surface to the back panel is 11 cm.

9. The multifunctional animal behavior test box according to claim 1, characterized in that: It also includes a forced swimming device, which can be accommodated in the experimental space and is used to contain liquid to perform a forced swimming experiment on experimental animals.

10. The multifunctional animal behavior test box according to claim 1, characterized in that: There are multiple experimental units, and the multiple experimental units are arranged side by side.