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Median retention scores (with interquartile range) of groups of rats trained in one-trial inhibitory avoidance and injected with either isotonic saline solution (open bars) or 2% lidocaine (filled bars). No significant differences among the groups trained with 3.0 mA were found after simultaneous infusion of lidocaine or isotonic saline solution STR + SN, AMY + SN, or AMY + STR.
