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KMID : 0361420050290020209
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Journal of Korean Academy of Rehabilitation Medicine
2005 Volume.29 No. 2 p.209 ~ p.212
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Cognitive-evoked Potential Response in Low Back Pain Patients
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Lee Kyeong-Woo
Sun Shih-Wei
Kim Sang-Beom
Yoon Ki-Sung
Kwak Hyun
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Abstract
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Objective: Cognitive-evoked potentials (P300) reflects a variety of cognitive functions and cognitive-behavioral strategies have been applied to a number of different chronic pain problems, including low back pain (LBP), headache, fibromyalgia, osteoarthritis, etc. Several studies showed delayed onset latency and increased amplitude of P300 in chronic LBP patients. The purpose of this study was to evaluate the cognitive processing differences in patients with chronic and acute LBP, and to examine the effectiveness of P300 to detect the mind of compensation in pending case.
Methods: P300 were recorded in 32 patients with LBP. We divided patients into two groups according to the duration of disease onset and the state of legal proceedings.
Results: P300 latency and amplitude was significantly increased in chronic LBP as compared with acute LBP (p <0.05). The state of legal proceedings showed no significant difference in P300 latency and amplitude.
Results: The results we gained suggested that the neurocognitive networks related to decision making and memory processing seemed to work differently in chronic and acute pain. Mind of compensation did not seem to be related with P300 in LBP patients.
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KEYWORD
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Cognitive-related potential, Low back pain
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