认知大脑网络和扩大周血管空间:对自闭症儿童的症状严重程度和支持需求的影响
Stefano Sotgiu1, Giuseppe Barisano2, Vanna Cavassa1
1Division of Child Neuropsychiatry, Department of Medicine, Surgery and Pharmacy, University of Sassari, 07100 Sassari, Italy.
Journal of clinical medicine
|May 14, 2025
概括
关键大脑网络中扩大的周周血管空间 (ePVS) 与自闭症谱系障碍 (ASD) 症状严重程度有关. 这些发现突出了自闭症的神经解剖相关性,为其复杂的表现提供了洞察力.
科学领域:
- 神经成像和神经解剖学
- 发育神经科学的发展神经科学.
- 临床心理学 临床心理学
背景情况:
- 自闭症谱系障碍 (ASD) 诊断包括评估社会沟通缺陷,兴趣受限,重复行为和支持需求 (DSM-5 1-3级).
- 在ASD中神经解剖学异质性得到了充分证实,在脑MRI研究中发现了扩大的周周血管空间 (ePVS).
- 以前的研究表明,ePVS在患有严重自闭症的年轻男性中更为普遍,特定位置与症状相关.
研究的目的:
- 在患有自闭症的个体中,在默认模式网络 (DMN),中央执行/前端对象网络 (CEN/FPN) 和突出网络 (SN) 中映射ePVS.
- 研究这些网络中的ePVS特征 (数量,大小,位置) 与特定的ASD症状之间的关系.
- 探索ePVS与ASD所需的支持和康复水平之间的关联.
主要方法:
- 在36名患有自闭症的人群中分析了脑部MRI扫描,以识别和映射DMN,CEN/FPN和SN区域的ePVS.
- 该研究将ePVS指标与ASD症状严重程度的临床评估相关联,包括口头缺陷,刻板印象和感官障碍.
- 研究了ePVS与日常生活支持和整体生活质量需求之间的关联.
主要成果:
- 在DMN,CEN/FPN和SN中的ePVS与特定ASD症状的严重程度 (如语言缺陷,刻板印象和感官障碍) 之间发现了显著的相关性.
- 观察到ePVS与ASD患者日常生活和生活质量所需的支持水平之间存在轻微的关联.
- 这些发现表明,主要认知网络中的ePVS与核心ASD症状严重程度密切相关.
结论:
- 认知网络中的功能障碍,以ePVS的存在为证据,显著影响自闭症谱系障碍症状的严重程度.
- 虽然ePVS与症状严重程度有关,但需要帮助的情况也可能受到伴随性疾病和较小的网络功能障碍的影响.
- 这项研究强调了神经解剖学异常,特别是主要大脑网络中的ePVS在理解ASD异质性方面的作用.
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