The Antidepressant Effect of Light Therapy from Retinal Projections  

作　　者：Xiaotao Li Xiang Li 

机构地区：[1]The Brain Cognition and Brain Disease Institute for Collaborative Research of SIAT at CAS and the McGovern Institute at MIT, Shenzhen Institutes of Advanced Technology,Chinese Academy of Sciences [2]McGovern Institute for Brain Research, Department of Brain and Cognitive Sciences, Massachusetts Institute of Technology

出　　处：《Neuroscience Bulletin》2018年第2期359-368,共10页神经科学通报（英文版）

基　　金：supported by grants from the Commission on Innovation and Technology in Shenzhen Municipality of China(JCYJ20150630114942262);the Postdoctoral Science Foundation of China(2015M582440);International Postdoctoral Exchange Fellowship Program 2016 by the Office of China Postdoctoral Council(20160021);the National Key R&D Program of China(2017YFC1310503)

摘　　要：Observations from clinical trials have frequently demonstrated that light therapy can be an effective therapy for seasonal and non-seasonal major depression. Despite the fact that light therapy is known to have several advantages over antidepressant drugs like a low cost,minimal side-effects, and fast onset of therapeutic effect,the mechanism underlying light therapy remains unclear.So far, it is known that light therapy modulates mood states and cognitive functions, involving circadian and noncircadian pathways from retinas into brain. In this review,we discuss the therapeutic effect of light on major depression and its relationship to direct retinal projections in the brain. We finally emphasize the function of the retino-raphe projection in modulating serotonin activity,which probably underlies the antidepressant effect of light therapy for depression.Observations from clinical trials have frequently demonstrated that light therapy can be an effective therapy for seasonal and non-seasonal major depression. Despite the fact that light therapy is known to have several advantages over antidepressant drugs like a low cost,minimal side-effects, and fast onset of therapeutic effect,the mechanism underlying light therapy remains unclear.So far, it is known that light therapy modulates mood states and cognitive functions, involving circadian and noncircadian pathways from retinas into brain. In this review,we discuss the therapeutic effect of light on major depression and its relationship to direct retinal projections in the brain. We finally emphasize the function of the retino-raphe projection in modulating serotonin activity,which probably underlies the antidepressant effect of light therapy for depression.

关 键 词：Light therapy DEPRESSION Retinal projection SEROTONIN OPSIN 

分 类 号：R749.4[医药卫生—神经病学与精神病学]