认知储备对EEG相锁反应在工作记忆任务中的侧向化的影响
Rümeysa Duygun1,2, Petunia Reinke3,4, Sebastian Ocklenburg3,4,5
1Department of Neuroscience, Graduate School of Health Sciences, Istanbul Medipol University, Istanbul, Turkey.
The European journal of neuroscience
|September 28, 2025
概括
认知储备 (CR) 影响大脑活动模式. 更高的CR与更大的神经不对称性有关,特别是在右半球,这表明对认知功能的治疗目标.
科学领域:
- 神经科学是一个神经科学.
- 认知心理学 认知心理学
背景情况:
- 认知储备 (CR) 通过优化资源利用来提高神经效率.
- 半球不对称性通过横向的认知过程促进神经效率.
研究的目的:
- 研究CR对口头和视觉空间工作记忆的影响.
- 检查CR与神经活动不对称性 (2-9 Hz相锁) 之间的关系.
主要方法:
- 参与者 (33名土耳其人,18名德国人) 在不同的难度级别上执行了口头和视觉空间的斯特恩伯格任务.
- 分析了行为表现 (d'值) 和EEG不对称性 (侧面系数).
- 阶段锁定反应被评估以量化神经同步.
主要成果:
- 增加的任务难度揭示了CR得分与神经不对称性之间的显著关联在口头任务的平行区域.
- 在视觉空间任务中,CR得分与神经不对称性相关于和部区域的神经不对称性.
- 在这两项任务中,右半球的相锁反应在右半球中始终更高.
结论:
- 认知储备在认知任务期间调节神经不对称.
- 右半球在认知储备中发挥着重要作用.
- 专注于右半球的策略可能为增强认知储备提供治疗潜力.
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