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相关概念视频

Timing and Consequences on Behavior01:08

Timing and Consequences on Behavior

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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...
90

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一个多次定时分析的时间拉切特.

Aref Hashemi1,2, Edward T Gilman3, Aditya S Khair4

  • 1Department of Applied and Computational Mathematics and Statistics, University of Notre Dame, Notre Dame, IN, USA. aref.hashemi@nd.edu.

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概括

这项研究引入了双定时扰动分析,以识别振动系统中的时间. 研究人员发现特定的振动频率比率诱导粒子运动,提供了一种研究这些复杂现象的新方法.

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科学领域:

  • 物理 物理学 物理
  • 非线性动力学是一种非线性动力学.
  • 统计力学 统计力学

背景情况:

  • 时间是不对称的力或振动在系统中诱导定向运动的现象.
  • 了解形形成的条件对于各种物理和化学过程至关重要.

研究的目的:

  • 在外部振动下的粒子-流体系统中定量分析时间的存在.
  • 开发一种新的数学方法来研究时间.

主要方法:

  • 开发一个双时间扰动分析.
  • 在受特定频率比的双模式振动的流体中对粒子的研究.
  • 分析一级和三级扰动解决方案.

主要成果:

  • 当振动频率在奇数和偶数整数的比率下时,可以预测净粒子速度 (时间).
  • 对于特定频率比的第三阶扰动,观察到时间拉效应.
  • 为诱导的净速度得出了封闭式公式.

结论:

  • 双时间扰动分析有效地预测和量化时间.
  • 这项研究为控制振动系统中定向运动的条件提供了新的见解.
  • 该方法提供了一种多功能工具,用于分析复杂的时间子行为.