INVESTIGATING EEG ALPHA VARIATIONS FOR MENTAL FATIGUE DETECTION ON CAR DRIVING SIMULATOR

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GHARAGOZLOU FARAMARZ; NASL SARAJI JEBRAEIL; MAZLOUMI ADEL; NAHVI ALI; NASRABADI ALI MOTIE; RAHIMI FOROUSHANI ABBAS; ASHOURI MOHAMMADREZA; SAMAVATI MEHDI

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Journal: Iranian Journal of Ergonomics Year:2013 | Volume:1 | Issue:1 Page(s): 5-13

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Title

INVESTIGATING EEG ALPHA VARIATIONS FOR MENTAL FATIGUE DETECTION ON CAR DRIVING SIMULATOR

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Keywords

DRIVER MENTAL FATIGUEQ2

KSSQ2

VIDEO RATINGQ2

EEG ALPHA POWERQ2

Abstract

Introduction: Driver fatigue is one of the major causes of accidents in roads. It is suggested that driver fatigue and drowsiness accounted for more than 30% of road accidents. Therefore, it is important to use features for real-time detection of DRIVER MENTAL FATIGUE to minimize transportation fatalities. The purpose of this study was to explore the EEG ALPHA POWER variations in sleep deprived drivers on a car driving simulator. Materials and Methods: The present descriptive-analytical study was achieved on nineteen healthy male car drivers. After taking informed written consent, the subjects were requested to stay awake 18 hrs before the experiments and refrain from caffeinated drinks or any other stimulant as well as cigarette smoking for 12 hrs prior to the experiments. The drivers sleep patterns were studied through sleep diary for one week before the experiment. The participants performed a simulated driving task in a 110 Km monotonous route at the fixed speed of 90 km/hr. The subjective self-assessment of fatigue was performed in every 10 minute interval during the driving using Karolinska Sleepiness Scale (KSS). At the same time, video recordings from the drivers face and their behaviors were achieved in lateral and front views and rated by two trained observers. Continuous EEG and EOG records were taken with 16 channels during driving. After filtering and artifact removal, power spectrum density and fast Fourier transform (FFT) were used to determine the absolute and relative alpha powers in the initial and final 10 minutes of driving. To analyze the data, descriptive statistics, Pearson and Spearman coefficients and paired-sample T test were employed to describe and compare the variables.Results: The findings showed a significant increase in KSS scores in the final 10 minutes of driving (p<0.001). Similar results were obtained concerning VIDEO RATING scores. Meanwhile, there was a significant increase in the absolute alpha power during the final section of driving (p=0.006).Conclusion: DRIVER MENTAL FATIGUE is considered as one of the major implications for road safety. This study suggests that alpha brain wave rhythm can be a good indicator for early prediction of driver fatigue.

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APA: Copy

GHARAGOZLOU, FARAMARZ, NASL SARAJI, JEBRAEIL, MAZLOUMI, ADEL, NAHVI, ALI, NASRABADI, ALI MOTIE, RAHIMI FOROUSHANI, ABBAS, ASHOURI, MOHAMMADREZA, & SAMAVATI, MEHDI. (2013). INVESTIGATING EEG ALPHA VARIATIONS FOR MENTAL FATIGUE DETECTION ON CAR DRIVING SIMULATOR. JOURNAL OF ERGONOMICS, 1(1), 5-13. SID. https://sid.ir/paper/103189/en

Vancouver: Copy

GHARAGOZLOU FARAMARZ, NASL SARAJI JEBRAEIL, MAZLOUMI ADEL, NAHVI ALI, NASRABADI ALI MOTIE, RAHIMI FOROUSHANI ABBAS, ASHOURI MOHAMMADREZA, SAMAVATI MEHDI. INVESTIGATING EEG ALPHA VARIATIONS FOR MENTAL FATIGUE DETECTION ON CAR DRIVING SIMULATOR. JOURNAL OF ERGONOMICS[Internet]. 2013;1(1):5-13. Available from: https://sid.ir/paper/103189/en

IEEE: Copy

FARAMARZ GHARAGOZLOU, JEBRAEIL NASL SARAJI, ADEL MAZLOUMI, ALI NAHVI, ALI MOTIE NASRABADI, ABBAS RAHIMI FOROUSHANI, MOHAMMADREZA ASHOURI, and MEHDI SAMAVATI, “INVESTIGATING EEG ALPHA VARIATIONS FOR MENTAL FATIGUE DETECTION ON CAR DRIVING SIMULATOR,” JOURNAL OF ERGONOMICS, vol. 1, no. 1, pp. 5–13, 2013, [Online]. Available: https://sid.ir/paper/103189/en

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