Research on Comprehensive Assessment Method of Mental Fatigue in Monitoring Task
- VernacularTitle:监控作业脑力疲劳综合评定方法研究
- Author:
Zheng WANG
;
Yanjun LI
;
Qu YAN
;
Hongwei WANG
- Publication Type:Journal Article
- Keywords:
mental fatigue;
monitoring task;
heart rate variability;
critical flicker frequency;
Perclos
- From:Space Medicine & Medical Engineering
2006;0(01):-
- CountryChina
- Language:Chinese
-
Abstract:
Objective To study the relationship between eye movement,HRV indexes and mental fatigue,find feasible objective indexes and build the comprehensive method to evaluate mental fatigue.Methods When twenty subjects executed the simulated monitoring task for 60 min,pupil diameter and ECG data were recorded by eye tracker system and Holter.The subjects were divided into 2 groups(fatigued group/scarcely fatigued group) according CFF(critical flicker frequency) and reaction time(RT).Based on comparison of various indexes between pre-and post-monitoring task,potent indexes were extracted to evaluate mental fatigue.Results After monitoring task,the change of fatigue feeling,Perclos,r-MSSD,PNN50,HF,LF and TP were significantly different in two groups.Conclusion It's suggested that psychology,Perclos and HRV indexes can be used to build the multilevel comprehensive method which can detect mental fatigue quantitatively and qualitatively.
