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在紧急选择期间,将萨卡德计划与内源性注意力结合起来

Allison T Goldstein¹, Terrence R Stanford¹, Emilio Salinas¹

¹Department of Neurobiology and Anatomy, Wake Forest School of Medicine, 1 Medical Center Blvd., Winston-Salem, NC 27157-1010, USA.

bioRxiv : the preprint server for biology

|March 18, 2024

概括

自愿的注意力部署偏向saccade计划,但这种联系很弱. 目标驱动的注意力 (内源性) 和突出驱动的线索 (外源性) 相互作用,而反糖类需要比前糖类更长的处理时间.

科学领域:

认知神经科学认知神经科学
神经科学是一个神经科学.
视觉感知视觉感知视觉感知

背景情况:

自发的注意力和眼睛的运动 (摇动) 具有共同的神经机制.
注意部署和冲击计划之间的确切关系尚未完全理解.
注意力和动都可能受到突出的刺激和内部目标的影响.

研究的目的:

调查到底在多大程度上自愿关注一个位置需要相应的saccade计划.
解开内源性 (目标驱动) 和外源性 (突出驱动) 因素在视觉运动选择中的作用.
解决与注意力相关的萨卡德规划的时间动态.

主要方法:

使用了一个紧急任务设计,人类参与者进行了前和反试验.
操纵刺激亮度以独立控制对表现的外源和内源贡献.
测量反应时间和准确度,以分析视觉运动选择随时间的演变.

主要成果:

产生一个正确的反发需要比正确的前发长大约30毫秒.
内生地部署的注意力偏向的萨卡德计划朝着所关注的位置.
研究人员发现,注意力与顺序规划之间的联系很弱,而且很容易被覆盖.

结论:

萨卡德计划受到内生注意力部署的影响,但不是由内生注意力部署决定的.
自愿控制系统可以快速覆盖自动冲击偏差.
了解这些相互作用对于理解目标导向行为和视觉注意力至关重要.

关键词:

这里是反萨卡德斯的反萨卡德斯.关注注意力注意力注意力注意力捕获捕获捕获捕获的捕获决策是做出决策的过程.心理计时计时器的时间表.萨卡德 (Saccadé) 是一个古老的城市.突出突出突出突出突出

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