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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(tǒng)用于研究動(dòng)物對(duì)突然的強(qiáng)烈刺激的反應(yīng)的觀察以及數(shù)據(jù)分析。利用***臺(tái)電腦能同時(shí)控制4個(gè)震驚反應(yīng)箱。震驚條件反射系統(tǒng)可進(jìn)行恐懼誘導(dǎo)性驚愕實(shí)驗(yàn)。噪音刺激可同時(shí)加入觸覺刺激（如吹氣），