Unravelling the Mystery of Pain, Suffering, and Relief With Brain Imaging

被引:33
作者
Lee, Michael C. [1 ]
Tracey, Irene [2 ]
机构
[1] Univ Cambridge, Addenbrookes Hosp, Div Anaesthesia, Cambridge CB1 9LD, England
[2] Univ Oxford, John Radcliffe Hosp, FMRIB Ctr, Oxford OX3 9DU, England
基金
英国医学研究理事会;
关键词
Pain; Neuroimaging; Humans; MAGNETIC-RESONANCE-SPECTROSCOPY; OPIOID RECEPTOR-BINDING; CHRONIC BACK-PAIN; VENTROMEDIAL PREFRONTAL CORTEX; NEUROPATHIC PAIN; CONGENITAL INSENSITIVITY; FUNCTIONAL CONNECTIVITY; AFFECTIVE NEUROSCIENCE; CENTRAL SENSITIZATION; RHEUMATOID-ARTHRITIS;
D O I
10.1007/s11916-010-0103-0
中图分类号
R74 [神经病学与精神病学];
学科分类号
摘要
In humans, the experience of pain and suffering is conveyed specifically by language. Noninvasive neuroimaging techniques now provide an account of neural activity in the human brain when pain is experienced. Knowledge gleaned from neuroimaging experiments has shaped contemporaneous accounts of pain. Within the biopsychosocial framework, nociception is undoubtedly required for survival, but is neither necessary nor sufficient for the consciousness of pain in humans. Pain emerges from the brain, which also exerts a top-down influence on nociception. In the brains of patients with chronic pain, neuroimaging has revealed subtle but significant structural, functional, and neurochemical abnormalities. Converging evidence suggests that the chronic pain state may arise from dysfunction of the frontal-limbic system. Further research in the clinical pain population will continue to identify neural mechanisms that contribute to the experience and consequence of pain, which may then be targeted therapeutically.
引用
收藏
页码:124 / 131
页数:8
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