【摘 要】
：
Pain is a multidimensional subjective experience with biological,psychological,and social factors.Whereas acute pain can be a warning signal for the body to avoid excessive injury,long-term and ongoing pain may be developed as chronic pain.There are more
【机 构】
：
CAS Key Laboratory of Mental Health,Institute of Psychology,Beijing 100101,China;Department of Psych
论文部分内容阅读
Pain is a multidimensional subjective experience with biological,psychological,and social factors.Whereas acute pain can be a warning signal for the body to avoid excessive injury,long-term and ongoing pain may be developed as chronic pain.There are more than 100 million people in China living with chronic pain,which has raised a huge socioeconomic burden.Studying the mechanisms of pain and developing effective analgesia approaches are important for basic and clinical research.Recently,with the development of brain imaging and data analytical approaches,the neural mechanisms of chronic pain have been widely studied.In the first part of this review,we briefly introduced the magnetic resonance imaging and conventional analytical approaches for brain imaging data.Then,we reviewed brain alterations caused by several chronic pain disorders,including localized and widespread primary pain,primary headaches and orofacial pain,musculoskeletal pain,and neuropathic pain,and present meta-analytical results to show brain regions associated with the pathophysiology of chronic pain.Next,we reviewed brain changes induced by pain interventions,such as pharmacotherapy,neuromodulation,and acupuncture.Lastly,we reviewed emerging studies that combined advanced machine learning and neuroimaging techniques to identify diagnostic,prognostic,and predictive biomarkers in chronic pain patients.
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