停止信号的注意力空间暗示影响了抑制行为反应的能力
Md Tanbeer Haque1, Mariella Segreti1,2, Valentina Giuffrida1,2
1Department of Physiology and Pharmacology, Sapienza University, Rome, Italy.
Experimental brain research
|April 23, 2024
概括
注意力增强了抑制性控制,有助于适应. 空间和移动的线索可以改善响应的抑制,特别是当线索是有效的并且出现在早期时,这表明外在的注意力起着作用.
科学领域:
- 认知神经科学 认知神经科学
- 心理学 心理学 心理学
背景情况:
- 环境适应依赖于抑制不适当的行为,这种过程可能会通过注意力来增强.
- 关于注意力如何特别影响抑制控制的研究有限.
- 了解这种联系对于认知功能和行为调节至关重要.
研究的目的:
- 调查空间和移动注意力暗示是否可以调节抑制控制.
- 探索注意力对抑制的影响的时间动态.
主要方法:
- 参与者执行了一项涉及移动棒的任务,响应"开始"信号并抑制对"停止"信号的响应.
- 使用有效的 (同一侧) 和无效的 (相反侧) 停止信号位置来操纵注意力提示.
- 在不同的提示条件和延迟下测量了停止信号反应时间.
主要成果:
- 空间和移动提示在有效条件下显著促进了抑制控制.
- 这种便利性在停止信号在启动信号250毫米以内呈现的停止信号中最为明显.
- 结果表明外源性注意力定向在增强抑制方面发挥了作用.
结论:
- 空间和移动的注意力暗示积极影响抑制控制.
- 这些发现有助于理解空间注意力和抑制机制之间的相互作用.
- 这项研究强调了注意力在提炼行为反应中的作用.
更多相关视频
08:55Online Transcranial Magnetic Stimulation Protocol for Measuring Cortical Physiology Associated with Response Inhibition
Published on: February 8, 2018
9.2K
06:46Investigating the Deployment of Visual Attention Before Accurate and Averaging Saccades via Eye Tracking and Assessment of Visual Sensitivity
Published on: March 18, 2019
7.1K
相关概念视频
Feedback Inhibition
Biochemical reactions are occurring constantly in cells, converting starting substances to different products, usually with the help of enzymes that speed the reactions. Without enzymes, it would take far too long for most reactions to occur to be useful to the cell!
Difference from Background: Limit of Detection
The limit of detection (LOD) is the smallest amount of analyte that can be distinguished from the background noise. The LOD value corresponds to the concentration at which the analyte signal is three times larger than the standard deviation of the blank signal. Below this value, the analyte signal cannot be differentiated from the background noise. It is calculated by dividing the calibration slope by 3 times the standard deviation of the blank signals.
The LOD indicates the presence or absence...
The LOD indicates the presence or absence...
Timing and Consequences on Behavior
In operant conditioning, the timing of reinforcement is crucial. For animals like rats and cats, immediate reinforcement (within a few seconds) is much more effective than delayed reinforcement. For example, a food reward for a rat needs to follow within 30 seconds of pressing a bar to be effective.
Humans, however, can respond to delayed reinforcers. We often make decisions between immediate small rewards and delayed larger rewards. This ability to delay gratification is a significant factor...
Humans, however, can respond to delayed reinforcers. We often make decisions between immediate small rewards and delayed larger rewards. This ability to delay gratification is a significant factor...
Self-Regulation
Self-regulation, also known as self-control, encompasses a range of cognitive and behavioral processes that allow individuals to adjust their internal states and outward actions to align with socially acceptable norms and long-term goals. It plays a fundamental role in adaptive functioning, from resisting impulsive behaviors to persisting through challenging tasks. While its benefits are widely recognized, self-regulation is not limitless. Muraven and Baumeister's theory posits that...
