Abstract: Mild cognitive impairment caused by craniocerebral trauma is the key points and difficulties in judicial authentication. This article has comparative analysis of each mode of event-related potential （classical Oddball, Eriksen flanker task and so on）, which can provide a more objective method for such craniocerebral trauma cases in clinical forensic judicial authentication.

Key words: forensic medicine, evoked potentials, review [publication type], craniocerebral trauma, cognition disorders