在有注意力缺陷/多动障碍的学龄儿童中,听觉不匹配消极性和视觉工作记忆之间的关联
Han Yang1,2, Jialiang Guo3, Weizhen Yin1,4
1Guangzhou Medical University, The Affiliated Brain Hospital to Guangzhou Medical University, Guangzhou, China.
Psychological medicine
|January 8, 2025
概括
患有ADHD的儿童表现出视觉工作记忆 (WM) 和听觉处理受损. 在ADHD患者中,较小的不匹配负面 (MMN) 幅度与更好的WM和更少的注意力缺失症状相关.
科学领域:
- 神经科学是一个神经科学.
- 发展心理学 发展心理学
- 认知科学 认知科学
背景情况:
- 注意缺陷/多动障碍 (ADHD) 与工作记忆 (WM) 损伤和感官处理缺陷有关.
- 在ADHD中,视觉WM和听觉处理之间的联系的神经生理基础仍然不清楚.
研究的目的:
- 研究ADHD儿童视觉WM和听觉处理之间的关系的神经生理基础.
- 确定潜在的共享神经机制,这些认知功能在ADHD的基础上.
主要方法:
- 脑电图 (EEG) 被用于记录86名患有多动症和90名典型发育 (TD) 儿童的脑活动,这些儿童在听觉奇怪任务期间进行了脑电图.
- 在所有参与者中评估了视觉WM能力和ADHD症状严重程度.
主要成果:
- 与TD儿童相比,患有ADHD的儿童表现出较差的视觉WM能力和减少的不匹配负面 (MMN) 幅度.
- 在ADHD中,较小的MMN振幅预测了更好的WM容量和较轻的注意力缺失症状.
- 在TD儿童中,更大的MMN振幅预测了更好的视觉WM容量.
结论:
- 视觉WM和听觉处理之间存在着强烈的关联,可能由共享的认知资源限制介导.
- 这些发现为ADHD中WM缺陷提供了神经生理学证据,并建议MMN作为潜在的临床标志物.
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