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相关概念视频

Association Areas of the Cortex01:21

Association Areas of the Cortex

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Association areas are regions of the cerebral cortex that do not have a specific sensory or motor function. Instead, they integrate and interpret information from various sources to enable higher cognitive processes such as memory, learning, and decision-making. Some key association areas include the following:
Prefrontal Association Area: This area is located in the frontal lobe and is involved in planning, decision-making, and moderating social behavior. It connects with primary motor areas,...
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相关实验视频

Updated: May 15, 2025

Investigating the Deployment of Visual Attention Before Accurate and Averaging Saccades via Eye Tracking and Assessment of Visual Sensitivity
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Investigating the Deployment of Visual Attention Before Accurate and Averaging Saccades via Eye Tracking and Assessment of Visual Sensitivity

Published on: March 18, 2019

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努力驱动的冲刺选择的选择.

Damian Koevoet1, Laura Van Zantwijk1, Marnix Naber1

  • 1Experimental Psychology, Helmholtz Institute, Utrecht University, Utrecht, Netherlands.

eLife
|April 7, 2025
PubMed
概括
此摘要是机器生成的。

眼睛的运动是通过尽量减少努力来引导的. 大脑优先考虑具有较低"摇摆成本"的摇摆方向,根据认知需求和搜索任务调整这种行为.

关键词:
费用 费用 费用 费用 费用 费用在决策过程中做出决定.努力的努力,努力的努力,努力的努力.人类 人类 人类 人类 人类 人类 人类人类人类人类人类人类人类.神经科学 神经科学瞳孔的大小 瞳孔的大小萨卡德选择的选择

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Using Saccadometry with Deep Brain Stimulation to Study Normal and Pathological Brain Function
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Using Saccadometry with Deep Brain Stimulation to Study Normal and Pathological Brain Function

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Recording Horizontal Saccade Performances Accurately in Neurological Patients Using Electro-oculogram
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Recording Horizontal Saccade Performances Accurately in Neurological Patients Using Electro-oculogram

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相关实验视频

Last Updated: May 15, 2025

Investigating the Deployment of Visual Attention Before Accurate and Averaging Saccades via Eye Tracking and Assessment of Visual Sensitivity
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Using Saccadometry with Deep Brain Stimulation to Study Normal and Pathological Brain Function
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Using Saccadometry with Deep Brain Stimulation to Study Normal and Pathological Brain Function

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科学领域:

  • 认知神经科学 认知神经科学
  • 眼科医生 眼科 眼科
  • 心理学 心理学 心理学

背景情况:

  • 瞳孔的大小是已知的认知努力的指标.
  • 之前的研究确定了瞳孔大小作为saccade努力 ("saccade成本") 的标记.

研究的目的:

  • 为了调查"撒卡德成本"是否对撒卡德选择产生关键影响.
  • 为了确定这个原则是否适用于复杂的视觉搜索任务.
  • 为了检查改变认知需求如何影响萨卡德行为.

主要方法:

  • 参与者可以在不同相关成本的曲方向之间进行选择.
  • 在寻找自然场景时,追踪眼动.
  • 通过听觉计数任务操纵认知需求.

主要成果:

  • 始终喜欢带有最低"斜线成本"的方向.
  • 这种偏好甚至在自然场景搜索中也是如此.
  • 增加的认知负载减少了跳动频率,特别是昂贵的跳动.

结论:

  • 萨卡德成本是眼动选择的主要驱动因素.
  • 眼动系统灵活地分配资源与其他认知功能.
  • 优化眼动行为以最大限度地减少固有的努力.