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相关概念视频

Associative Learning01:27

Associative Learning

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Associative learning is a fundamental concept in behavioral psychology, wherein a connection is established between two stimuli or events, leading to a learned response. This process is critical in understanding how behaviors are acquired and modified. Conditioning, the mechanism through which associations are formed, can be divided into two main types: classical conditioning and operant conditioning, each elucidating different aspects of associative learning.
Classical conditioning, also known...
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Improving Translational Accuracy02:07

Improving Translational Accuracy

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Introduction to Learning01:18

Introduction to Learning

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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...
465
Observational Learning01:12

Observational Learning

207
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...
207
Higher Mental Functions of Brain: Learning and Memory01:26

Higher Mental Functions of Brain: Learning and Memory

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Memory is one of the most vital higher mental functions of the brain. Memory is closely related to learning because it enables us to retain information and experiences from our past to use them in our present life. It also helps us to remember facts, events, and skills, such as riding a bike or swimming. There are two types of memory — declarative memory, which involves memorizing facts or events, and procedural memory, which enables us to remember how to do something like writing or...
868
Multi-input and Multi-variable systems01:22

Multi-input and Multi-variable systems

127
Cruise control systems in cars are designed as multi-input systems to maintain a driver's desired speed while compensating for external disturbances such as changes in terrain. The block diagram for a cruise control system typically includes two main inputs: the desired speed set by the driver and any external disturbances, such as the incline of the road. By adjusting the engine throttle, the system maintains the vehicle's speed as close to the desired value as possible.
In the absence...
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相关实验视频

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Analyzing Mitochondrial Morphology Through Simulation Supervised Learning
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使用内核方法转移学习.

Adityanarayanan Radhakrishnan1,2, Max Ruiz Luyten1, Neha Prasad1

  • 1Massachusetts Institute of Technology, Cambridge, MA, USA.

Nature communications
|September 9, 2023
PubMed
概括
此摘要是机器生成的。

我们开发了一个用于内核方法的新型转移学习框架,使模型能够在各种任务中进行可扩展的适应. 这种方法对源模型进行项目和翻译,显示图像分类和药物查的有效性,具有可预测的性能扩展.

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科学领域:

  • 机器学习 机器学习
  • 计算科学 计算科学
  • 人工智能的人工智能

背景情况:

  • 内核方法为各种机器学习任务提供了计算效率高的方法.
  • 对于不同标签尺寸的多样化任务中的内核方法,可扩展的转移学习仍然是一个挑战.

研究的目的:

  • 为内核方法提出一种新的转移学习框架.
  • 为了使模型能够在通用源和目标任务中进行可扩展的适应.
  • 分析基于内核的转移学习的性能特征.

主要方法:

  • 开发了一个框架来设计和翻译源模型以完成目标任务.
  • 将框架应用于图像分类和虚拟药物查.
  • 调查了性能缩放规律,并使用了不同数量的目标示例.

主要成果:

  • 证明了该框架在图像分类和虚拟药物查方面的有效性.
  • 识别了简单的扩展规律,控制了转移学习的内核性能.
  • 在简化的线性设置中推导出精确的缩放规律.

结论:

  • 拟议的框架促进了基于内核的有效和可扩展的转移学习.
  • 性能扩展规律为模型适应效率提供了洞察力.
  • 这项工作推动了核心方法在复杂领域的应用.