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相关概念视频

Isotonic and Isometric Muscle Contractions01:22

Isotonic and Isometric Muscle Contractions

Two primary types of muscle contractions are isotonic and isometric, each serving unique functions and involving distinct mechanisms. Both isotonic and isometric contractions are integral to the body's complex system of movement and stability. Isotonic exercises contribute significantly to functional strength and movement, while isometric contractions are crucial for maintaining posture and joint stability.
Isotonic contractions
Isotonic contractions occur when a muscle changes length while the...
Self-Regulation01:25

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...

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相关实验视频

Updated: Jun 7, 2026

Studying Food Reward and Motivation in Humans
12:09

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身体力度前定决定了对等方位任务的偏好.

Chadwick M Healy1,2, Alaa A Ahmed1,2,3

  • 1Biomedical Engineering Program, University of Colorado, Boulder, Colorado, United States.

Journal of neurophysiology
|September 25, 2024
PubMed
概括

大脑更喜欢早点投入体力,而不是晚点投入体力,即使总能耗相同. 在努力感知中的这种时间敏感性会影响决策和运动控制.

科学领域:

  • 神经科学是一个神经科学.
  • 决策方式 决策方式
  • 发动机控制器 发动机控制器

背景情况:

  • 了解大脑如何决定投入精力至关重要.
  • 传统的观点表明,如果总能耗等于总能耗,那么对力度计时无关紧要.
  • 人们对大脑对劳动投入时间概况的敏感性还不太清楚.

研究的目的:

  • 研究决策过程中时间和体力之间的相互作用.
  • 确定对不同时间配置文件的努力投资的主观偏好.
  • 为了建模努力的主观效用,考虑规模和时间.

主要方法:

  • 试验对象执行了以不同努力持续时间和时间的等比式臂推动任务.
  • 用两种替代的强制选择模式来评估主观偏好.
  • 开发了一个主观的实用模型,包括体力,任务成本和时间灵敏度.

主要成果:

  • 研究对象始终更喜欢在一项任务的早期投入大量的体力.
  • 对任务时间的偏好在受试者之间是特有的.
  • 审议时间和响应活力与主观效用模型相关.

结论:

关键词:
能源成本 能源成本同位数的强力力是什么?化前的化.时间折扣的时间折扣.活力 活力 活力 活力

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  • 物理努力成本是暂时敏感的,人们更喜欢早期的投资.
  • 主观劳动力表示不仅考虑了总能量,还考虑了它的时间.
  • 一个统一的主观效用模型解释了劳动力的偏好和运动控制方面.