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在脆弱X综合征的女孩在抑制控制期间异常的神经激活

Yuanyuan Gao^1,2, Rihui Li^3,4, Qianheng Ma¹

¹Center for Interdisciplinary Brain Sciences Research, Department of Psychiatry and Behavioral Sciences, Stanford University, Stanford, CA 94305, United States.

Cerebral cortex (New York, N.Y. : 1991)

|July 8, 2025

概括

脆弱X综合征 (FXS) 与执行功能缺陷有关. 这项研究发现FXS女孩在抑制任务期间出现异常的大脑激活,特别是在背侧前额叶皮层 (DLPFC).

科学领域:

神经科学是一个神经科学.
遗传学是一个遗传学.
发展心理学发展心理学

背景情况:

脆弱X综合征 (FXS) 是一种影响认知发育的遗传性疾病.
执行功能,特别是响应抑制,在患有FXS的人群中经常受到损害.
了解这些缺陷的神经支对于有针对性的干预至关重要.

研究的目的:

与对照组相比,研究FXS的女孩在响应抑制期间的神经激活差异.
检查FXS中大脑激活模式和执行功能缺陷之间的关系.
评估功能近红外光谱 (fNIRS) 在临床环境中用于研究FXS的实用性.

主要方法:

利用功能近红外光谱学 (fNIRS),一种移动神经成像技术.
在35名患有FXS的女孩和30名年龄和认知匹配的对照中进行了go/nogo任务,以评估响应抑制.
分析了不同组之间大脑激活的差异,重点关注前额叶皮层区域.

主要成果:

与对照人群相比,患有FXS的女孩在抑制控制期间表现出改变的大脑激活模式.
具体来说,在右背侧前额皮质 (DLPFC) 和FXS组的其他区域观察到更高的激活.
在患有FXS的女孩中,在其他几个皮层和部区域观察到较低的激活率.
在FXS组中发现了右DLPFC激活和响应抑制缺陷之间的正相关性.

结论:

患有FXS的女孩在对抑制性刺激的反应中表现出异常的神经激活.
在DLPFC中异常激活与FXS中的执行功能缺陷有关.
在更自然的环境中,fNIRS提供了一种可行的方法来研究FXS中的神经功能.

关键词:

执行职能执行职能是指执行职能.在FNIRS中使用.脆弱的X综合征脆弱的X综合征去nogo nogo 在这里.

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