患有自闭症谱系障碍的青少年的视觉预测是否受损? 与事件相关的潜力在一个 Cued 视觉 GO/NOGO 任务中
Linda A Häger1,2, Anne L Høyland3,4, Juri D Kropotov5,6
1Neuropsychiatric Team, Åsebråten Clinic, Østfold Hospital Trust, Fredrikstad, Norway.
Clinical EEG and neuroscience
|February 1, 2024
概括
患有自闭症谱系障碍 (ASD) 的人表现出视觉处理变化,可能是由于贝叶斯预测能力受损. 这项研究发现了视觉事件相关潜力 (ERP) 的差异,支持ASD的低预测假设.
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:
- 自闭症谱系障碍 (ASD) 与非典型的视觉处理有关,可以通过像P1和P2这样的改变早期视觉事件相关潜力 (ERP) 证明.
- 假设这种视觉处理差异源于贝叶斯推理的失败,特别是上下预测机制的低激活.
研究的目的:
- 通过检查视觉消极性 (vN),一个反映视觉准备和预测活动的ERP组件来研究ASD中贝叶斯推理受损的假设.
- 为了比较ASD青少年和典型发育 (TD) 控制者之间的ERP,在一个有线视觉GO/NOGO任务中进行比较.
主要方法:
- 脑电图 (EEG) 用于记录63名患有ASD (智商>70,没有多动症) 的青少年的ERP,以及60名年龄和性别匹配的TD对照.
- 参与者完成了指导的视觉GO/NOGO任务,以评估与视觉处理和认知控制相关的行为性能和ERP组件.
主要成果:
- 在行为指标 (遗漏,委托,反应时间,反应时间变化) 或认知控制相关ERP (附带负变化,P3GO,P3NOGO,N2NOGO) 中,在ASD和TD组之间没有发现显著差异.
- 在以视觉为基础的ERP中出现了显著的群体差异,视觉消极性 (vN) 组件在群体之间显示了最大的效果大小 (d = 0.74).
- 在ASD和TD组之间,P1和P2 ERP组件也存在差异.
结论:
- 这些发现支持了贝叶斯低预测有助于ASD患者观察到的独特感知体验的假设.
- 这种低预测可能会导致背景线索,先前经验和预期对ASD感知的影响减少.
- 视觉消极性 (vN) ERP组件作为一种敏感的神经标记,用于自闭症谱系障碍中改变预测处理.
关键词:
自闭症谱系障碍 自闭症谱系障碍连续性能的测试试验测试.一个电脑电图 (electroencephalogram) 是一个电脑电图.与事件相关的潜力与事件相关的潜力视觉消极性的视觉消极性视觉预测 视觉预测 视觉预测更多相关视频
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