精神分裂症和注意力缺陷多动性障碍患者组之间的注意力和大脑功能连接的比较
Hyunchan Hwang1, Sun Mi Kim1, Hee Jin Kim1
1Department of Psychiatry, College of Medicine, Chung Ang University, Seoul, South Korea.
Psychiatry research
|February 5, 2025
概括
精神分裂症和成人多动症有着相同的注意力缺失,但在默认模式网络 (DMN) 连接方面有所不同. 这项研究揭示了DMN功能连接如何影响每个疾病的注意力缺陷.
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.
- 认知心理学 认知心理学
背景情况:
- 精神分裂症和成人注意力缺陷多动性障碍 (ADHD) 与注意力不集中,这是一个核心症状.
- 了解这些疾病中注意力缺失的独特特征对于准确的诊断和治疗至关重要.
研究的目的:
- 调查精神分裂症和成人多动症之间的注意力缺失的不同特征.
- 探索默认模式网络 (DMN) 在这些条件下注意力不集中的表现中的作用.
主要方法:
- 招募了20名精神分裂症患者,20名成人多动症患者和20名健康对照.
- 使用了全面的注意力测试,韩国Wechsler成人智力尺度-IV和休息状态功能磁共振成像 (fMRI).
主要成果:
- 精神分裂症患者的DMN功能连接性较低,而ADHD患者的DMN功能连接性较高.
- 在精神分裂症中,DMN连接与处理速度指数正相关.
- 在ADHD中,DMN连接与分散注意力的错误有积极的相关性.
结论:
- 精神分裂症和成人ADHD都可能源于DMN失调,解释了共同的注意力缺陷.
- 不同的DMN功能连接水平有助于注意力缺失在精神分裂症和成人多动症中呈现的独特方式.
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