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. Author manuscript; available in PMC: 2014 Apr 3.
Published in final edited form as: Neuroscience. 2013 Jan 16;235:40–50. doi: 10.1016/j.neuroscience.2013.01.021

Figure 1.

Figure 1

Between-group planned comparisons at each level of prepulse volume show a significant difference in % PPI at the 6 decibel (dB) prepulse level (t = −2.220, p < 0.05), indicating a significantly lower PPI in isolated rats than in socially-reared controls (* p < 0.05, n = 9 per group, data is represented as mean ± S.E.M). Prepulse volume denotes the decibel level of the prepulse above background noise. Group-reared animals are represented by grey bars while isolates are represented by white in the histogram shown.