期刊
CURRENT PSYCHIATRY REPORTS
卷 15, 期 11, 页码 -出版社
SPRINGER
DOI: 10.1007/s11920-013-0405-0
关键词
Insomnia; Sleep disorders; Neuroimaging; Neurobiology; Psychiatry
类别
资金
- GlaxoSmithKline
- Impax Pharmaceutical
- UCB Pharma
Chronic insomnia is one of the most prevalent psychiatric disorders and has a significant impact on individual's health. However, the pathophysiology of the disorder is poorly understood. The current review focuses on neuroimaging findings in insomnia. In summary, the current data suggest the following: (1) insomnia is characterized by corticolimbic overactivity during sleep and wakefulness that interferes with sleep initiation and/or maintenance; (2) insomnia patients' daytime performance is associated with a hypoactivation of task-related areas; (3) neurochemically, insomnia patients are probably characterized by reduced cortical GABA levels; (4) insomnia may be associated with abnormal brain morphometry in the frontal cortex, hippocampus and/or anterior cingulate cortex. Future investigations should include larger sample sizes or longitudinal within-subject comparisons. Other possible methodological improvements are discussed.
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