TITLE

Measurement of Brain Function of Car Driver Using Functional Near-Infrared Spectroscopy (fNIRS)

AUTHOR(S)
Tsunashima, Hitoshi; Yanagisawa, Kazuki
PUB. DATE
January 2009
SOURCE
Computational Intelligence & Neuroscience;2009, Special section p1
SOURCE TYPE
Academic Journal
DOC. TYPE
Article
ABSTRACT
The aim of this study is to propose a method for analyzing measured signal obtained from functional Near-Infrared Spectroscopy (fNIRS), which is applicable for neuroimaging studies for car drivers.We developed a signal processing method bymultiresolution analysis (MRA) based on discrete wavelet transform. Statistical group analysis using Z-score is conducted after the extraction of task-related signal using MRA. Brain activities of subjects with different level of mental calculation are measured by fNIRS and fMRI. Results of mental calculation with nine subjects by using fNIRS and fMRI showed that the proposed methods were effective for the evaluation of brain activities due to the task. Finally, the proposed method is applied for evaluating brain function of car driver with and without adaptive cruise control (ACC) system for demonstrating the effectiveness of the proposed method. The results showed that frontal lobe was less active when the subject drove with ACC.
ACCESSION #
47715132

 

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