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        Fear Conditioning

        Fear conditioning is a behavioral paradigm in which organisms learn to predict aversive events. It is a form of learning in which an aversive stimulus (e.g. an electrical shock) is associated with a particular neutral context (e.g., a room) or neutral stimulus (e.g., a tone), resulting in the expression of fear responses to the originally neutral stimulus or context. This can be done by pairing the neutral stimulus with an aversive stimulus (e.g., a shock, loud noise, or unpleasant odor). Eventually, the neutral stimulus alone can elicit the state of fear. In rodents, conditioned fear is often measured with freezing (a period of watchful immobility).

        AES-FEAR1: One-Box Fear Conditioning Test Station
        LabState license: fear conditioning, one box
        Hardware components:
        1. One DIG-431: USB digital I/O interface
        2. One USB analog video capturer
        3. One standard sound attenuating cubicle
        4. One standard rat/mouse chamber with camera and shock grid
        5. One scrambled shocker (0-2.5mA)

        AES-FEAR4: Four-Box Fear Conditioning Test Station
        LabState license: fear conditioning, four boxes
        Hardware components:
        1. One DIG-2332: USB digital I/O interface
        2. One USB analog video grabber
        3. One four-channel analog video splitter
        4. Four standard sound attenuating cubicles
        5. Four standard rat/mouse chambers with camera and shock grid
        6. Four scrambled shockers (0-2.5mA)

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