Effects of KO and IMIP on immobility in the Forced Swimming Test. The effect on immobility during the pre-test session in (a) Male rats and in (b) Female rats. The effect on immobility during the test session in (c) Male rats and in (d) Female rats. *** p<0.001 (vs. control). The box plots show the 10th, 25th 50th (median), 75th and 90th percentiles).