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The purpose of this paper is to propose that the measurement of salivary amylase activity is an effective index to evaluate the stress of a ship navigator for safe navigation training and education.
Evaluation comes from the simulator and actual on-board experiments. The subjects are real captains who have unlimited licenses and cadets who are senior students at Kobe University, navigation course. Stress is evaluated for several situations where a ship navigator makes a lot of decisions, in this case in a narrow passage, entering a port and leaving a port.
Salivary amylase activity occurs when a ship navigator makes a decision regarding ship handling and collision avoidance. By measuring salivary amylase activity when a student is under duress, cadets' ship-handling training can be evaluated while onboard a vessel.
Future research will develop cross-indices with the salivary amylase activity and other physiological indices (nasal temperature and heart rate variability (R-R interval)), complementary to each other. The salivary amylase activity registers the stress quickly on the spot. Then the nasal temperature and R-R interval registers the trend and the quick response to the stress (mental workload).
The paper describes an effective index which is useful for evaluating a ship navigator's stress for safe navigation.
Ship navigator's skill and cadet's on-board training have been evaluated according to performance and a questionnaire as a quantitative evaluation; moreover, stress is evaluated using salivary amylase activity.
Enhancing maritime education and training
Measuring a ship navigator's stress based on salivary amylase activity
Interactive Technology and Smart Education ; 6 , 4 ; 293-302
2009-11-20
10 pages
Article (Journal)
Electronic Resource
English
Simulation , Skills , Training , Marine navigation , Stress
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