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The auditory stimuli can be combined with tactile stimuli (air puffs) to form user-defined trial sequences with variable inter-stimulus intervals. For assessment of fear-potentiated startle an electrical stimulus (up to 3.1mA) can be applied using the integrated shock grid. The system also provides a TTL signal (digital signal) that can be used to switch on a camera or a video tape recorder or to control additional external devices such as user-specific signal generators. The flexible profile editor allows all standard tests to be created including complex "pre-pulse" designs to measure excitatory and inhibitory effects on startle.

震驚條件反射系統用于研究動物對突然的強烈刺激的反應的觀察以及數據分析。利用***臺電腦能同時控制4個震驚反應箱。震驚條件反射系統可進行恐懼誘導性驚愕實驗。噪音刺激可同時加入觸覺刺激（如吹氣），