年龄对记忆检索神经相关系的跨文化差异的影响
Isu Cho1,2, Krystal R Leger1, Ioannis Valoumas1
1Department of Psychology, Brandeis University, Waltham, MA, USA.
bioRxiv : the preprint server for biology
|May 7, 2024
概括
文化影响记忆检索,台湾成年人比美国人表现出更明显的年龄影响. 左下额头 (LIFG) 中的神经活动因文化和年龄而异,影响记忆性能.
科学领域:
- 认知神经科学 认知神经科学
- 跨文化心理学 跨文化心理学
- 人类的记忆 人类的记忆
背景情况:
- 文化显著塑造认知过程,包括记忆,但不同文化背景中的与年龄有关的影响仍未得到充分探索.
- 了解文化背景如何影响整个生命周期的记忆检索对于全面了解人类认知至关重要.
研究的目的:
- 研究来自美国和台湾文化的年轻人和老年人的旧,新和类似物品的记忆检索的神经基础.
- 检查年龄和文化背景如何相互作用,影响记忆歧视和相关的大脑活动.
主要方法:
- 功能磁共振成像 (fMRI) 用于测量记忆检索任务期间的大脑活动.
- 参与者包括来自美国和台湾文化群体的年轻人和老年人,他们得到了旧,新和类似的诱惑物.
主要成果:
- 在记忆歧视方面观察到文化差异,美国人表现优于台湾人,年龄影响在台湾成年人中更为明显.
- 左下额头 (LIFG) 中的神经活动在不同文化中存在差异,这可能反映了解决检索干扰的不同策略.
- 年龄减少了神经激活模式的文化差异,特别是在老年美国人中,这表明晚年记忆处理策略的融合.
结论:
- 对新奇与熟悉的文化取向会影响年轻人的记忆检索策略,但随着年龄的增长,这些差异可能会减少.
- 虽然海马体在记忆中发挥作用,但在本研究中,它的活动没有显示出显著的文化或年龄相关差异,这与对模式分离的预期相反.
- 生活经验和由文化塑造的信息处理策略可以导致普遍的年龄效应和与年龄有关的记忆轨迹.
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