Panic disorder: is the PAG involved?

Panic disorder: is the PAG involved?
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DOI:
10.1155/2009/108135
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发表时间:
2009
期刊:
影响因子:
3.1
通讯作者:
Graeff FG
Graeff FG
中科院分区:
医学4区
文献类型:
--
作者:
Del-Ben CM;Graeff FG

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来自人类的研究数据表明,中脑结构的异常,包括导水管周围灰质(PAG),可能涉及惊恐障碍(PD)的神经生物学。神经外科患者的PAG的电刺激诱导恐慌样症状,并且在焦虑的公开演讲模型的模拟中有效治疗PD的药物的效果与来自PD动物模型的数据一致。结构神经影像学研究显示PD患者中脑和脑桥灰质体积增加。还有证据表明,PD患者中脑的5-羟色胺转运蛋白和受体结合降低,代谢增加。然而,这些中脑异常不能被认为是特定的发现,因为神经影像学数据表明,PD患者在处理恐惧和焦虑的其他大脑结构中存在异常。
Data from studies with humans have suggested that abnormalities of midbrain structures, including the periaqueductal gray matter (PAG), could be involved in the neurobiology of panic disorder (PD). The electrical stimulation of the PAG in neurosurgical patients induces panic-like symptoms and the effect of drugs that are effective in the treatment of PD in the simulation of public speaking model of anxiety is in agreement with data from animal models of PD. Structural neuroimaging studies have shown increases in gray matter volume of midbrain and pons of PD patients. There is also evidence of lower serotonin transporter and receptor binding, and increases of metabolism in the midbrain of PD patients. Nevertheless, these midbrain abnormalities can not be considered as specific findings, since neuroimaging data indicate that PD patients have abnormalities in other brain structures that process fear and anxiety.
DOI: 10.1017/s1461145704004870
发表时间: 2005-06-01
影响因子: 4.8
作者:
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通讯作者: Polkinghorn, C
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影响因子: 4.1
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