Gemini
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Gemini - 1

Designed by Scientists for Scientists gemini™ avoidance system Features & Benefits »» Cues include non-heating LED house lights, laboratory standard cue lights, user selectable auditory stimuli and quiet auto door. »» Two unconditioned stimulus available, shock or air puff »» Optional mouse start box for passive avoidance shrinks the chamber size to keep the mouse focused on the center auto-door. »» Optional mouse shock box , with metal walls, shrinks the chamber size and prevents mouse from escaping the shock. »» Configure up to 8 stations for rapid testing of subjects. »» Gate opens in 500 milliseconds. Gemini Avoidance System Shock & Airstim Model »» Independent station start makes continuous testing quick and easy. »» Ability to run the system on a laptop or a desktop. »» Easy-to-use, menu based software assures reliable and accurate data. »» All study data are stored in a database, providing quick and easy export. product overview The GEMINI Avoidance System is purposely designed for active and passive avoidance and learned helplessness testing in both rats and mice. GEMINI is available in two configurations: Shock or Shock and Airstim. On the Shock model, shock is used for the Unconditioned Stimulus. On the Shock and Airstim model, the user can choose shock or air puff for the Unconditioned Stimulus. Shock uses a scrambled delivery to the rods of the floor preventing the animal from discerning a pattern. The Air Puff is delivered through tubes with multiple outlets spanning the length of each compartment. The tubes are mounted both in the front and back of the compartment. The animal will receive the air puff from both sides. Conversion from rats to mice or mice to rats is possible in less than five minutes. GEMINI provides maximum flexibility in test paradigms by allowing the use of one or more stimuli simultaneously. A key feature is the very silent center Auto-Door which will not induce unwanted behaviors. It also lowers by gravity alone so no animal can be injured. GEMINI can be configured with up to 8 stations for testing large subject groups. Each station starts and runs independently making continuous testing quick and easy. Supported avoidance paradigms are, Passive Avoidance (Classic, Trials to Criterion, Continuous), Active Avoidance (Trials to Criterion, Continuous) and Learned Helplessness. GEMINI utilizes a database to store all study results in a single file in table format ready for export. This eliminates the need to cut and paste multiple files together before exporting study results to st

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Gemini - 2

Power. Flexibility. Ease of Use. GEMINI System Components The GEMINI Avoidance System includes the following: GEMINI Components & Accessories (optional) ›› Software for Active and Passive Avoidance and floor for rats (or mice), 16 photobeams, 2 “house”and 2 “cue” lights and 2 speakers for sound ›› Mouse passive avoidance start box ›› Mouse Shock Box ›› Additional Grid floors (for rats or mice) ›› Isolation Cabinet ›› Connection to computer sound card ›› SDI Animal Shocker with 8 unique outputs ›› Auto door (for passive avoidance testing) ›› USB Interface ›› All necessary cables and power...

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Gemini - 3

Power. Flexibility. Ease of Use. The software handles both a cross and no cross by locating the subject and determining the correct start compartment for the next trial. On Trials to Criterion and Continuous an Inter-Trial interval table is set up to rest the subject before starting the next trial. Scoring is latency to cross applied as follows: Avoidance (crossed during CS), Escaped (crossed during US) and No Response (did not cross). Learned Helplessness Learned Helplessness (Non-Contingent Sequential Stimuli) permits the application of a timed series of CS (conditioned stimuli) and U...

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