长期高空暴露会影响视觉工作记忆中的与任务相关的表征
Xiaohua Bao1, Delong Zhang2,3, Xiaoyan Li4
1Faculty of Psychology, Tianjin Normal University, Tianjin, China.
Frontiers in neurology
|June 5, 2023
概括
高空暴露会影响视觉工作记忆能力. 与低海拔居民相比,生活在高海拔地区的个人表现出注意力资源分配的改变,捕获了更多与任务无关的信息.
科学领域:
- 认知神经科学 认知神经科学
- 环境心理学 环境心理学
背景情况:
- 人类工作记忆已知在高海拔地区受到损害.
- 对视觉工作记忆能力的具体影响尚不清楚.
研究的目的:
- 研究暴露在高海拔地区的个体视觉工作记忆能力的变化.
- 为了比较高海拔 (HA) 和低海拔 (LA) 居民之间的视觉工作记忆性能.
主要方法:
- 使用横向变化检测任务和事件相关潜力 (ERP).
- 在不同记忆负载下测量了35名HA学生 (西藏) 和36名LA学生 (海平面) 的反侧延迟活性 (CDA).
主要成果:
- 这两组在负载四时都达到了工作记忆异常点.
- 在记忆负载1和3时,LA组表现出比HA组显著更大的反侧活动.
- 在所有内存负载中,HA组显示出更大的ipsilateral活动比 contralateral活动.
结论:
- 长期高空暴露可能导致注意力资源被不相关的信息所捕获.
- 在HA个体中抑制控制受损可能会阻碍排除分散注意力的刺激.
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