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相关概念视频

Observational Learning01:12

Observational Learning

210
Albert Bandura's observational learning, also known as imitation or modeling, occurs when a person observes and imitates another's behavior. It is a quicker process than operant conditioning. A well-known example is the Bobo doll study, where children who saw an adult acting aggressively towards the doll were more likely to act aggressively when left alone, compared to those who observed a nonaggressive adult. Many psychologists view observational learning as a form of latent learning...
210
Steps in the Modeling Process01:14

Steps in the Modeling Process

241
Albert Bandura's theory of observational learning identifies four critical processes: attention, retention, motor reproduction, and reinforcement or motivation.
Attention is the first necessary component for observational learning. It involves focusing on what the model is doing and saying. For example, if you decide to take a drawing class to enhance your skills, you need to pay close attention to the instructor's words and hand movements. The characteristics of the model significantly...
241
Introduction to Learning01:18

Introduction to Learning

472
Learning is the process of acquiring knowledge or skills through practice or experience, leading to long-lasting behavioral changes. This acquisition occurs through interaction with the environment and requires practice or experience. For instance, mastering a skill such as surfing requires considerable practice and experience, highlighting the essential role of repeated interactions with the environment in learning.
In contrast to learned behaviors, unlearned behaviors such as crying, sexual...
472
Purposive Learning01:22

Purposive Learning

142
E. C. Tolman emphasized the purposiveness of behavior — the idea that much of our behavior is goal-directed. For instance, employees who aim for a promotion work diligently to meet their targets. Tolman argued that when classical conditioning and operant conditioning occur, the organism acquires certain expectations. In classical conditioning, a child might fear a dog because they expect it to bite. In operant conditioning, a person might consistently work overtime because they expect a...
142

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相关实验视频

Updated: Jul 19, 2025

Investigating Motor Skill Learning Processes with a Robotic Manipulandum
07:52

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Published on: February 12, 2017

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学习用简单的原始动作操纵鞭子 - 一项模拟研究

Moses C Nah1, Aleksei Krotov2, Marta Russo3,4

  • 1Department of Mechanical Engineering, Massachusetts Institute of Technology, Cambridge, MA 02139, USA.

iScience
|August 9, 2023
PubMed
概括
此摘要是机器生成的。

这项研究模拟了一个4度自由度 (DOF) 的手臂与50度自由度的鞭子相互作用,发现类似人类的运动有效地打击目标. 最优的行动涉及沿着符合方向的平面运动,运动持续时间是最关键的因素.

关键词:
工程 工程师 工程师 工程师机械建模 机械建模机器人技术 机器人技术 机器人技术

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相关实验视频

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科学领域:

  • 机器人和生物力学
  • 人类运动控制器
  • 计算神经科学是一种计算神经科学.

背景情况:

  • 研究与复杂动态环境交互的多关节机器人系统的控制策略.
  • 了解人类运动控制如何适应具有高自由度的对象.

研究的目的:

  • 要确定模拟的4度自由度 (DOF) 臂是否可以使用50DOF鞭子准确地打击目标.
  • 分析这些相互作用所涉及的运动概况和动态.
  • 探索类似人类的运动模式和高效的任务执行之间的关系.

主要方法:

  • 模拟一个多关节臂与恒定的关节空间机械阻抗从实验数据.
  • 采用类似于人类离散运动的运动概况.
  • 通过代优化 (少于250次代) 识别成功的目标击中运动.

主要成果:

  • 在不同位置的目标被成功地击中,在联合空间坐标中以单一,最平稳的动作击中目标.
  • 最佳的运动是在外部任务空间坐标中的平面.
  • 这些最佳运动与任务空间和关节空间机械阻抗最符合的方向保持一致.
  • 移动时间是成功获取目标的最敏感参数.

结论:

  • 在人类运动行为中观察到的基本动作可以在与动态复杂的物体相互作用时促进有效的运动控制.
  • 这些发现表明,人类运动控制利用物体动态来有效地执行任务.
  • 这项研究提供了对人类和机器人系统适应性运动控制背后的原则的见解.