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相关概念视频

The Equilibrium Binding Constant and Binding Strength02:18

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The equilibrium binding constant (Kb) quantifies the strength of a protein-ligand interaction. Kb can be calculated as follows when the reaction is at equilibrium:
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The physiological function of a cell and cellular communication are outcomes of a range of extrinsic signals, intracellular signaling pathways, and cellular responses. No two cell types express the same repertoire of signaling components. Receptors are highly selective for their cognate ligands, but once activated, they can alter multiple cellular processes such as DNA transcription, protein synthesis, and metabolic activity. 
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Transcriptional regulators bind to specific cis-regulatory sequences in the DNA to regulate gene transcription. These cis-regulatory sequences are very short, usually less than ten nucleotide pairs in length. The short length means that there is a high probability of the exact same sequence randomly occurring throughout the genome.  Since regulators can also bind to groups of similar sequences, this further increases the chances of random binding. Transcriptional regulators form...
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相关实验视频

Updated: Jul 1, 2025

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

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分开的手进一步增加了响应-响应结合效应.

Silvia Selimi1, Christian Frings1, Birte Moeller2

  • 1Cognitive Psychology, University of Trier, D-54286, Trier, Germany.

Psychonomic bulletin & review
|March 4, 2024
PubMed
概括
此摘要是机器生成的。

用屏障将手分开,增强了响应-响应绑定效果,暗示了不同的动作表示,有助于层次化的动作控制. 这一发现对于理解认知控制和行动计划至关重要.

关键词:
行动控制 行动控制绑定和检索 绑定和检索响应分离的反应分离.响应-响应 具有约束力的响应

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The Crossmodal Congruency Task as a Means to Obtain an Objective Behavioral Measure in the Rubber Hand Illusion Paradigm
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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.
  • 人与计算机的交互

背景情况:

  • 行动控制遵循层次组织,将顺序响应集成到更高阶事件表示中.
  • 响应-响应结合效应发生在重复响应相互检索时,影响认知处理.
  • 响应的空间分离可以影响认知分离性,这是之前在刺激-响应结合中探索的因素.

研究的目的:

  • 调查空间分离对响应-响应结合效应的影响.
  • 要确定在响应手之间引入物理屏障是否会加强响应-响应结合.
  • 探索动作分离性在层次动作控制中的作用.

主要方法:

  • 参与者执行了涉及连续反应的任务.
  • 在响应手之间引入了一个屏障,以增加空间分离.
  • 响应-响应结合效应在分离和非分离的条件下测量.

主要成果:

  • 当参与者的手被障碍物空间隔开时,观察到更强的响应-响应结合效应.
  • 响应的分离性增加导致了增强的结合效应.
  • 这些发现与基于刺激-反应结合研究的预测一致.

结论:

  • 通过增加分离性来促进个别行动的明确表示,似乎有利于对层次行动的控制.
  • 空间分离是影响反应-反应结合的基础认知机制的一个关键因素.
  • 这项研究提供了对动作控制和运动学习的认知架构的见解.