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Age effects on the ASR amplitude in different strains. The startle-eliciting stimulus varied across studies and are denoted for each curve. ASR is normalized to baseline at 1 month of age because different units were reported across studies. Data replotted from: Ison et al. (1998), Willott and Turner (1999), Yun et al. (2006), Ison et al. (1997).
