However, there were notable inconsistencies in this association between blast-related UCH-L1 and cognitive reaction time, specifically in the parallel reaction time test within the same battery and the same Session (also shown to have clinical utility in assessment of concussion) (26), a similar assessment in the same Session (i.e., DANA Simple Reaction Time subtest), and the Simple Reaction Time subtest on the preceding day when larger blast-related UCH-L1 increase was observed. Here, UCHL1 is linked to brain injury.