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Near-infrared spectroscopy in the analysis of functional brain activity during cognitive tasks

Title
Near-infrared spectroscopy in the analysis of functional brain activity during cognitive tasks
Authors
Abibullaev, BerdakhLee, Seung HyunKang, Won SeokAn, Jin UngSeo, Hee Don
DGIST Authors
Abibullaev, Berdakh; Kang, Won SeokAn, Jin Ung
Issue Date
2010
Citation
9th IEEE Sensors Conference 2010, SENSORS 2010, 542-547
Type
Conference
Article Type
Conference Paper
ISBN
9780000000000
Abstract
This paper presents our empirical results by using 32 channel NIRS system to examine the changes in oxygenation in regions of prefrontal cortex. Four healthy subjects participated in the experiment by performing various cognitive tasks such as mathematical, imaginary and computer game. The concentration levels in oxyHb and deoxyHb varied depending on subject's mental workload as a result we could locate strong brain activation regions. We analyzed hemoglobin concentrations in wavelet domain to detect and extract the true brain stimulus from noisy NIRS measurements. ©2010 IEEE.
URI
http://hdl.handle.net/20.500.11750/1864
DOI
10.1109/ICSENS.2010.5690277
Publisher
Institute of Electrical and Electronics Engineers
Related Researcher
Files:
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Collection:
ETC2. Conference Papers
Convergence Research Center for Wellness2. Conference Papers
Division of IoT∙Robotics Convergence Research2. Conference Papers


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