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The effect of oxytocin administered SC 30 min before fear-potentiated startle testing. (a) Oxytocin at two doses (0.01 and 0.1 μg/kg) significantly reduced startle during testing. (b) Percentage fear-potentiated startle. There was no effect of oxytocin. (c) Background anxiety. 0.001 and 0.01 μg/kg doses of oxytocin significantly reduced background anxiety compared with saline. *Indicates statistically significant from saline.
