终端细胞网络的床核对早期酒精戒断中不可预测的威胁的反应
Nicole L Zabik1, Elizabeth A Flook2,3,4, Brandee Feola5
1Munroe-Meyer Institute, University of Nebraska Medical Center, Omaha, Nebraska, USA.
Alcohol, clinical & experimental research
|August 24, 2024
概括
在早期戒酒期间的焦虑会改变大脑功能,特别是在结节 (BNST) 和相关网络的床核中. 这些变化取决于性别,影响酒精使用障碍患者的复发风险.
科学领域:
- 神经科学是一个神经科学.
- 精神病学是一个精神病学.
- 成研究 研究成研究
背景情况:
- 在早期戒酒期间的焦虑是患有酒精使用障碍 (AUD) 个体复发的主要因素.
- 脊柱末端 (BNST) 床核及其相关的皮质膜网络的神经变化与早期戒断期间的焦虑程度增加有关.
- 关于早期戒酒焦虑背后的神经机制的研究有限.
研究的目的:
- 在早期戒酒期间调查大脑功能和BNST和皮质膜区域的功能连接.
- 检查焦虑水平和性对酒精戒断的个体大脑激活和BNST连接的影响.
主要方法:
- 使用功能磁共振成像 (fMRI) 在早期戒酒 (EA) 和健康对照 (HC) 个体中具有不可预测的威胁任务.
- 评估全脑激活和BNST功能连接,分析群体,焦虑和性别作为预测因素.
- 包括20名EA参与者 (9名女性) 和20名HC参与者 (11名女性).
主要成果:
- 发现小组 × 焦虑和小组 × 焦虑 × 性别对大脑激活和BNST连接的显著相互作用.
- 在EA组中,更高的焦虑与BNST,ACC和insula (仅限男性) 的激活增加相关.
- 在EA和HC组之间,焦虑与BNST与杏仁体和PFC区域的连接有差异性的相关性,EA男性表现出更强的BNST-vmPFC连接.
结论:
- 早期戒酒与改变的BNST功能和与焦虑相关的皮质膜网络活动有关.
- 研究结果支持BNST在焦虑中的作用,并突出了慢性饮酒对性别的影响.
- 这些结果有助于了解焦虑的神经基础和早期戒酒的复发风险.
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