a strong trendp = 0.0501
In probe trials 1 and 2, performed at the end of hidden trial days 1 and 2, only sham mice for each of the genotypes showed preference for the target quadrant; a strong trend ( p = 0.0501) was observed in probe trial 2 for brain-injured syk f/f MRP8-cre + mice ( Supplemental Fig. 7B , C ).