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Cortical activation patterns of electrical pain stimulation using fNIRS

Title
Cortical activation patterns of electrical pain stimulation using fNIRS
Authors
Han, InhwaWon, SanghyunKang, YungeuiOh, KyungseokKim, KyeonghuiJekal, JanghwanJin, Sang HyeonLee, GihyounYang, Seung TaeJeong, Seon YunAn, J.
DGIST Authors
Lee, Gihyoun; An, J.
Issue Date
2018-01-15
Citation
6th International Conference on Brain-Computer Interface, BCI 2018, 1-3
Type
Conference
ISBN
9781538625743
Abstract
Until recently, pain assessment has largely relied on subjective self-reports such as questionnaires or VAS. This paper attempts to objectively quantify pain from a neurological point of view through the characteristics of cerebral hemodynamics. Functional near-infrared spectroscopy (fNIRS) measures cortical blood flow changes during electrical pain stimulation. The selected feature of pain measure is the concentration change of oxygenated hemoglobin. Cortical activation patterns and time-series analysis for region of interest shows that premotor cortex and primary motor cortex as well as somatosensory cortex are involved in pain perception. These results are consistent with the findings of fMRI studies on physical pain. Oxygenated hemoglobin is therefore likely to be a quantitative biomarker of pain. © 2018 IEEE.
URI
http://hdl.handle.net/20.500.11750/9214
DOI
10.1109/IWW-BCI.2018.8311511
Publisher
Institute of Electrical and Electronics Engineers Inc.
Related Researcher
Files:
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Collection:
ETC2. Conference Papers
Convergence Research Center for Wellness2. Conference Papers


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