身体炼会损害个体表现,同时在视觉短期记忆中保持平均表现
Shiming Qiu1,2,3, Zelin Cheng1,2,3, Siyu Xie1,2,3
1School of Psychology, Central China Normal University, Wuhan, Hubei, China.
概括
同时的体力炼会损害视觉短期记忆 (VSTM) 对单个项目而不是平均表示. 在VSTM中感知平均值仍然强大,尽管有物理负载.
科学领域:
- 认知心理学 认知心理学
- 神经科学是一个神经科学.
- 人类的感知人类的感知.
背景情况:
- 感知平均化从视觉刺激中提取集体意味,这是一个关键的视觉短期记忆 (VSTM) 功能.
- 众所周知,身体炼会损害VSTM,但其对感知平均值的影响尚不清楚.
研究的目的:
- 调查并发性体力炼对VSTM感知平均能力的影响.
- 要确定物理负载是否会影响VSTM中的集体表示.
主要方法:
- 双重任务模式将面部表情识别与在低 (5%) 和高 (40%) 物理负荷下同度握手收缩相结合.
- 参与者在执行物理任务时记住了面部表情和识别了探针.
主要成果:
- 高体力负荷会影响整体记忆性能,降低命中率和可辨别性,同时增加虚假警报.
- 平均面部的识别精度和平均表示精度 (σ) 不受物理负载的影响.
- 在VSTM中对象特异性内存表示被破坏,但平均表示仍然具有弹性.
结论:
- 由于注意力资源的竞争,同时进行体力炼会破坏VSTM中的个体项目表示.
- 感知平均化,或VSTM中的平均表示,是稳定的,强大的,可以抵御体力炼造成的双任务干扰.
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