在学习复杂刺激之间的不对称转移
Yangyang Du1, Hui Kou1, Huijie Liu2
1School of Management, Zunyi Medical University, Zunyi, China.
Frontiers in neuroscience
|May 13, 2025
概括
视觉工作记忆 (VWM) 训练可以提高对面孔和房子等复杂刺激的区分. 学习面部表现转移到房屋,但不是反过来,揭示了特定类别的VWM可塑性.
科学领域:
- 认知神经科学 认知神经科学
- 视觉感知 视觉感知 视觉感知
- 人类大脑的塑性 人类大脑的塑性
背景情况:
- 复杂刺激的感知学习显示出高水平的视觉皮层可塑性.
- 关于视觉工作记忆 (VWM) 中复杂刺激表现的可塑性和特异性的理解有限.
研究的目的:
- 在VWM中研究复杂视觉刺激表现的可塑性和特异性.
- 探索培训如何影响VWM中面部和房屋的歧视.
主要方法:
- 使用延迟匹配样本任务,在六天内训练VWM对面部 (中性,快乐,悲伤) 和房屋进行训练.
- 测量了敏感度 (d),以评估训练前和训练后在VWM中的歧视表现.
主要成果:
- 训练显著提高了对所有测试刺激的VWM的歧视敏感性.
- 对于中性面孔的学习效应转移到情感面孔,反之亦然,但不是在不同的情感面孔之间.
- 观察到不对称的转移:面对面的学习转移到房屋,但家庭学习没有转移到面对面.
结论:
- 训练可以显著改善复杂视觉刺激的VWM区分能力.
- 在不同的刺激类别中,不同的认知过程是培训效应的基础,这表明了特定类别的VWM可塑性.
- 结果提供了关于VWM改进机制和视觉表示的专业性质的见解.
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