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选择性注意力和工作记忆在非常早产的年轻人中
Taylor Mills1,2, Leona Pascoe1,3,4, Megan Spencer-Smith1
1School of Psychological Sciences, Monash University, Melbourne, Australia.
PloS one
|July 16, 2025
概括
非常早产的年轻人 (VP) 显示工作记忆略有下降,但这并不是由于注意力问题. 这些发现有助于理解VP的认知发展,并为干预提供信息.
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:
- 非常早产的个体 (VP;<32周的怀孕期) 经常表现出工作记忆 (WM) 性能下降的表现,而不是按期出生的同龄人.
- 在VP个体中这种WM缺陷背后的特定认知机制仍然不清楚.
- 选择性注意力是一个关键的认知技能,支持工作记忆功能.
研究的目的:
- 调查选择性注意力要求对年轻成年人非常早产 (VP) 与早产对照对工作记忆表现的影响.
- 确定选择性注意力挑战是否解释了VP个体观察到的工作记忆差异.
- 使用视觉空间变化检测任务来评估在不同注意力负载下进行WM维护.
主要方法:
- 一组111名出生于VP的年轻成年人 (平均年龄为20.1岁) 和43名满期出生的对照人 (平均年龄为19.9岁) 参加了这项研究.
- 参与者完成了一项适应的视觉空间变化检测任务.
- 该任务旨在在工作记忆维护期间系统地改变选择性注意力需求.
主要成果:
- VP组在最小的选择性注意力要求下,表现稍差一些工作记忆表现比出生期组.
- 随着选择性注意力需求的提高,VP和满期出生组之间的工作记忆性能差异没有显著增加.
- 这些结果表明,选择性注意力不是解释VP个体工作记忆缺陷的主要因素.
结论:
- 在非常早产的个体中,工作记忆的减少不太可能归因于选择性注意力缺陷.
- 这些发现提供了对VP个体过渡到成年人的认知发展的关键见解.
- 了解VP群体的认知表型可以指导为这个高风险群体开发有效的认知干预措施.
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