[Examination of NIRS for evaluation of frontal lobe function in diffuse axonal injury (DAI) patients]

The purpose of this study is to compare diffuse axonal injury (DAI) patients with healthy controls by using near infrared spectroscopy (NIRS). The Wisconsin Card Sorting Test Keio Version (KWCST), a standard task paradigm to detect human frontal lobe dysfunction was set as a method. The result of the examination showed that compared with DAI patients, wider increase of total hemoglobin was admitted in the frontal part of the brain of healthy people during the KWCST. This suggests that NIRS would serve as an objective indicator to evaluate the frontal lobe function in DAI patients.