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Seasonal Affective Disorder Monitoring System
Uppsala University, Disciplinary Domain of Science and Technology, Mathematics and Computer Science, Department of Information Technology.
2013 (English)Independent thesis Advanced level (degree of Master (Two Years)), 30 credits / 45 HE creditsStudent thesis
Abstract [en]

Wireless Sensor Networks  (WSNs) are essential technologies for environmental monitoring. They are composed of small electronic devices, which can monitor, collect and report  environmental data autonomously and continuously with respect to energy consumption and accuracy of data. Recently, mobile phones have become integral part of our daily lives. They have been widely used as mobile sensors to monitor the human behaviour and emotion. Mental problem is becoming a global concern in modern society. Some of the psychological problems, such as Seasonal Affective Disorder (SAD), may cause depression and sickness due to the lack of sunlight in long and dark winters. In this master thesis, we design a system, named Seasonal Affective Disorder Monitoring (SADM), to measure human sociability and light exposure to study the SAD psychological problem among people. The goal of this work is to monitor and improve the mental and physical health of people in our society. The system utilizes both stationary sensors and mobile sensors for monitoring light intensity and human activities continuously, which can help us to learn more about their mental and physical health in diff( erent seasons. The results give us a history of the level of the people's activity and also the percentage of light intensity in the environment and light intensity that individuals received in daily life. Using this information, we analyse the relation between human behaviour and seasonal changes.

Place, publisher, year, edition, pages
IT, 13 029
National Category
Engineering and Technology
URN: urn:nbn:se:uu:diva-199586OAI: oai:DiVA.org:uu-199586DiVA: diva2:620254
Educational program
Master Programme in Computer Science
Available from: 2013-05-08 Created: 2013-05-08 Last updated: 2013-05-08Bibliographically approved

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