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相关概念视频

Multi-input and Multi-variable systems01:22

Multi-input and Multi-variable systems

96
Cruise control systems in cars are designed as multi-input systems to maintain a driver's desired speed while compensating for external disturbances such as changes in terrain. The block diagram for a cruise control system typically includes two main inputs: the desired speed set by the driver and any external disturbances, such as the incline of the road. By adjusting the engine throttle, the system maintains the vehicle's speed as close to the desired value as possible.
In the absence...
96
Controller Configurations01:22

Controller Configurations

85
Controller configurations are crucial in a car's cruise control system because they manage speed over time to maintain a consistent pace regardless of road conditions, thereby meeting design goals. In traditional control systems, fixed-configuration design involves predetermined controller placement. System performance modifications are known as compensation.
Control-system compensation involves various configurations, most commonly series or cascade compensation, in which the controller...
85
High-Level and Low-Level Awareness01:19

High-Level and Low-Level Awareness

247
Controlled processes in human consciousness represent high-alert mental states where individuals deliberately focus their attention on achieving specific goals. Controlled processes can be seen in situations like mastering new technology, where a person might become so absorbed that they ignore surrounding distractions. Such processes involve selective attention, requiring one to concentrate on particular elements of experience while disregarding others. These are governed by executive...
247

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相关实验视频

Updated: Jun 4, 2025

Irrelevant Stimuli and Action Control: Analyzing the Influence of Ignored Stimuli via the Distractor-Response Binding Paradigm
12:12

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Published on: May 14, 2014

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在多维环境中调整干扰器特定的控制.

Davide Gheza1, Wouter Kool2

  • 1Department of Psychological and Brain Sciences, Washington University in St. Louis, St Louis, MO, USA. gheza@wustl.edu.

Nature human behaviour
|January 3, 2025
PubMed
概括
此摘要是机器生成的。

人类通过抑制无关紧要的细节来适应相互矛盾的信息,而不是增强相关的细节. 这种认知控制对于每个信息维度都是特定的,这表明需要更新现有模型.

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An Operant Intra-/Extra-dimensional Set-shift Task for Mice
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Using Rapid Serial Visual Presentation to Measure Set-Specific Capture, a Consequence of Distraction While Multitasking
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相关实验视频

Last Updated: Jun 4, 2025

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An Operant Intra-/Extra-dimensional Set-shift Task for Mice
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An Operant Intra-/Extra-dimensional Set-shift Task for Mice

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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.
  • 计算机建模 计算建模

背景情况:

  • 目标导向的行为涉及管理多个相互矛盾的信息来源.
  • 现有的认知控制任务往往简化环境,缺乏多维冲突.

研究的目的:

  • 研究如何在多维环境中分配认知控制.
  • 确定适应冲突是否涉及增强相关信息或抑制无关信息.

主要方法:

  • 开发一个多维任务集干扰范式,其中有三个独立的分心维度.
  • 实验测试参与者对多维冲突的反应.
  • 使用神经网络模型与多个独立冲突探测器单元进行模拟.

主要成果:

  • 有证据支持这样的假设,即适应包括抑制与任务无关的信息.
  • 认知控制适应被发现是高度维度特定的.
  • 从一个维度的冲突并没有泛滥到影响其他维度的处理.

结论:

  • 在多维环境中,人类的认知控制依赖于抑制不相关的信息.
  • 控制适应的维度特异性质挑战了传统模型.
  • 神经计算模型需要多个独立的冲突探测器单元来解释这些发现.