Faculty Advisor
Chon, Ki H.
Faculty Advisor
Mendelson, Yitzhak
Abstract
The long duration and repetitive nature of watchstanding in the Navy triggers mental fatigue, which would cause a decline in working memory functions and response time. To minimize the damage caused by fatigue, it is necessary to understand how physiological parameters changes during the fatigue. According to recent researches, heart rate variability (HRV) can be calculated from photoplethysmogram (PPG) to indicate nervous system activity. N-back M-pitch, a cognitive working memory test was utilized to define the level of fatigue. An increase in fatigue was indicated by decrease in the accuracy of the test. In this project, HRV's high frequency area and low frequency area have been found correlated to mental fatigue and change over time as hypothesized.
Publisher
Worcester Polytechnic Institute
Date Accepted
April 2012
Major
Electrical and Computer Engineering
Major
Biomedical Engineering
Project Type
Major Qualifying Project
Copyright Statement
All authors have granted to WPI a nonexclusive royalty-free license to distribute copies of the work, subject to other agreements. Copyright is held by the author or authors, with all rights reserved, unless otherwise noted.
Accessibility
Unrestricted
Advisor Department
Biomedical Engineering