目标-干扰器竞争调节空间和物体空间中的冲击轨迹
Caroline Giuricich1,2,3, Robert J Green2,3, Heather Jordan1,2,4
1School of Kinesiology and Health Science, York University, Toronto, Ontario M3J 1P3, Canada.
eNeuro
|June 1, 2023
概括
目标-分散注意力的竞争会影响眼睛的运动 (动). 在决策的早期,分心因素会吸引,而后来,它们会排斥它们,显示出明显的空间和基于对象的抑制效应.
科学领域:
- 神经科学是一个神经科学.
- 认知心理学 认知心理学
- 眼科医生 眼科 眼科
背景情况:
- 萨卡德规划和执行受到目标选择任务中的因素的影响.
- 由于竞争,目标与干扰器的相似性会影响萨卡德轨道的曲率.
- 了解目标-干扰器竞争对于理解神经电路至关重要.
研究的目的:
- 调查复杂目标和分散注意力的距离和相似性的影响,对人类的飞行轨迹.
- 阐明目标干扰器竞争的性质及其对神经电路的影响.
- 根据循环轨迹,区分主动和已完成的决策过程.
主要方法:
- 使用了一个延迟匹配到样本的任务.
- 复杂的目标和干扰物体之间的距离和相似性被系统地变化.
- 分析了人类的动轨迹和动反应时间 (SRT).
主要成果:
- 在短短的SRT中,分心器是有吸引力的,偏离向它们的萨卡德,与萨卡德向量平均一致.
- 类似效应表明基于对象的抑制环境.
- 在较长的SRT中,分心器变得令人厌恶,偏离跳动,反映一个空间抑制的环境.
结论:
- 萨卡德轨迹揭示了受空间和基于对象的抑制环境独立影响的目标-干扰器竞争.
- 顺序反应时间区分了主动和已完成的决策过程.
- 距离和相似性对冲刺轨迹的影响在整个比赛中是独立的.
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