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在中风后焦虑中皮层网络特征:基于fNIRS的研究
Xue Qian1,2, Qinglei Wang3, Jie Wang1,2
1Changzhou Dean Hospital, Changzhou, Jiangsu, China.
Frontiers in neuroscience
|February 2, 2026
概括
脑卒中后焦虑 (PSA) 与认知任务期间前额叶皮层激活的减少有关. 伴随性抑郁症进一步改变了这些大脑区域的激活,这表明了潜在的治疗点.
科学领域:
- 神经科学是一个神经科学.
- 临床神经学 临床神经学
- 精神病学是一个精神病学.
背景情况:
- 脑卒中后焦虑症 (PSA) 是影响患者康复的常见并发症.
- 在PSA基础上的神经机制仍然不完全理解.
- 前额叶皮层功能障碍与各种神经精神疾病有关.
研究的目的:
- 为了研究PSA患者在休息和认知任务期间的前额外血液动力学活动.
- 为潜在的临床应用确定PSA的神经相关物.
- 探索伴随性抑郁症对PSA神经变化的影响.
主要方法:
- 功能近红外光谱学 (fNIRS) 用于测量大脑活动.
- 招募了50名PSA患者和45名对照患者.
- 参与者接受了休息状态和口头流性任务 (VFT) 评估.
主要成果:
- 与对照组相比,PSA患者在VFT期间显示双边前极皮质 (FPC) 激活显著减少.
- 在PSA患者的并发性抑郁症与双边FPC和左侧脊侧前额皮层 (DLPFC) 的激活进一步减少有关.
- 两组之间没有发现休息状态功能连接的显著差异.
结论:
- 减少双边FPC激活可能是PSA的关键神经基质.
- 在患有抑郁症的PSA患者中,FPC和DLPFC激活模式的改变可能表明抑郁症状的神经相关性.
- 这些发现为未来的PSA研究和临床干预提供了潜在的目标.
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