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(A) Average performance of blast-exposed (black) and control (gray) subjects on behavioral tests of auditory perception. *Indicates significant group difference at the level of p < 0.05. Error bars indicate ±1 SEM. (B) The percentage of participants in the blast-exposed group with abnormal scores on each of the behavioral auditory perceptual tests. Abnormal performance was defined as >2 standard deviations below the mean performance of control participants.
