Wireless Sensor System for Mild Cognitive Impairment Diagnosis
Alzheimer’s disease (AD), which causes decline in the cognitive functions, is the major lead of dementia. AD begins showing damage in memory, making patients dependent on caregivers. Treating AD requires early diagnosis of its signs. The initial sign of AD is mild cognitive impairment (MCI), which i...
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| Format: | Dissertation |
| Language: | English |
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ProQuest Dissertations & Theses
01-01-2018
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| Online Access: | Get full text |
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| Summary: | Alzheimer’s disease (AD), which causes decline in the cognitive functions, is the major lead of dementia. AD begins showing damage in memory, making patients dependent on caregivers. Treating AD requires early diagnosis of its signs. The initial sign of AD is mild cognitive impairment (MCI), which is the middle stage between a healthy patient and one diagnosed with AD. The proposed sleep monitoring system is capable of diagnosing MCI symptoms. MCI patients are characterized with sleep fragmentation and sleep disorder. The sleep fragmentation is defined as awakenings that interrupt the normal sleep. The proposed system in this thesis uses force sensors to capture movements that can potentially characterize as sleep fragmentation. The sensors were arranged on a mattress cover to pick up the body movements regardless of sleep position. A wireless sensor system was designed, implemented and tested in Wireless Sensor Networks (WiSe-Net) laboratory at the University of Maine. The system operates at 2.4GHz with a range of 300ft. It has been tested on control subjects, healthy people, and seniors diagnosed with MCI and AD. The system is capable of determining the number and average periods of sleep fragmentation to assist with diagnosing MCI. |
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| ISBN: | 9798643169376 |