FIG. 2.

Mean (±SEM) time (sec) to traverse an elevated narrow beam before and after TBI or SHAM injury, as well as drug treatment. All TBI groups exhibited significant impairment versus SHAM. No overall statistical difference was observed among the TBI groups during the first 5 days of testing. However, a single-day analysis on day 5 did reveal a greater beam-walk deficit in the HAL-treated group versus the VEH- and BRO-treated groups (p<0.005). No significant differences were detected among any of the groups on test days 48 or 108 postsurgery. **p<0.0001 versus all TBI groups on days 1–5. TBI, traumatic brain injury; VEH, vehicle; HAL, haloperidol; RISP, risperidone; BRO, bromocriptine.