Abstract: Objective To investigate changes of brainstem auditory evoked potential (BAEP) in patients with brain concussion. Methods Nineteen patients with brain concussion were studied with BAEP examination. The data was compared to the healthy persons reported in literatures. Results The abnormal rate of BAEP for patients with brain concussion was 89.5%. There was a statistically significant difference between the abnormal rate of patients and that of healthy persons(P<0.05). The abnormal rate of BAEP in the brainstem pathway for patients with brain concussion was 73.7%, indicating dysfunction of the brainstem in those patients. Conclusion BAEP might be helpful in forensic diagnosis of brain concussion.

Key words: forensic medicine, brain concussion, evoked potentials, auditory, brain stem