通过关联式学习减少灾难性遗忘:果的教训
Yang Shen1, Sanjoy Dasgupta2, Saket Navlakha3
1Cold Spring Harbor Laboratory, Simons Center for Quantitative Biology, Cold Spring Harbor, NY 11724, U.S.A. yashen@cshl.edu.
Neural computation
|September 19, 2023
概括
果使用双层神经电路进行持续的关联学习,灵感来自于大脑机制. 这种方法有效地打击机器学习模型中的灾难性遗忘.
科学领域:
- 神经科学是一个神经科学.
- 机器学习 机器学习
- 计算生物学 计算生物学
背景情况:
- 灾难性遗忘是持续学习的一个主要障碍.
- 以大脑为灵感的方法,如连续表示学习和记忆重复,用于减轻这种情况.
- 协会学习在持续学习中的作用仍未得到充分研究.
研究的目的:
- 调查协作学习在持续学习中的作用.
- 确定神经回路机制,以实现持续的关联式学习.
- 将神经科学的发现转化为改进机器计算.
主要方法:
- 在果的嗅觉系统中发现了一个两层的神经回路.
- 在第一个层中分析了稀疏的高维表示,用于气味编码.
- 检查了第二层的突触可塑性,结无关重量以防止重写.
主要成果:
- 已识别的电路在气味和价值之间执行持续的关联学习.
- 理论分析显示,与感知算法相比,灾难性遗忘减少了.
- 经验结果表明,在基准数据集上,与其他神经启发的算法相比,其性能优越.
结论:
- 果拥有一个高效的,进化的算法,用于持续的关联学习.
- 神经科学中的电路机制可以有效地转化为增强机器学习.
- 这项研究提供了一种新的方法来对抗人工智能的灾难性遗忘.
相关概念视频
Associative Learning
434
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...
Classical conditioning, also known...
434
Forgetting
97
Forgetting is an intrinsic aspect of human memory, characterized by the gradual loss or inaccessibility of information over time. Hermann Ebbinghaus, a pioneering psychologist, extensively studied this phenomenon and formulated the forgetting curve. This curve illustrates that memory loss occurs rapidly immediately after learning and then decelerates over time. Several mechanisms contribute to forgetting, including encoding failure, storage decay, retrieval failure, and interference.
Encoding...
Encoding...
97
Interference and Decay
165
Forgetting is a complex cognitive phenomenon influenced by several factors, among which interference and decay are particularly prominent. These processes explain why individuals often struggle to retrieve specific information from memory, leading to lapses in recall that can be observed in everyday situations.
Interference occurs when competing memories hinder the retrieval of particular information. It can be classified into two types: proactive and retroactive interference. Proactive...
Interference occurs when competing memories hinder the retrieval of particular information. It can be classified into two types: proactive and retroactive interference. Proactive...
165
Higher Mental Functions of Brain: Learning and Memory
868
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
Mnemonic Devices
103
Mnemonic devices are cognitive tools that facilitate memory retention by linking new information to familiar patterns or organizational strategies. These techniques are beneficial for remembering complex or lengthy sets of information by simplifying and structuring them in easily retrievable ways.
Acronyms
Acronyms are created by using the initial letters of a series of words to form a new word or phrase. This approach condenses complex information into a single, memorable entity. For example,...
Acronyms
Acronyms are created by using the initial letters of a series of words to form a new word or phrase. This approach condenses complex information into a single, memorable entity. For example,...
103
Cognitive Learning
307
Cognitive learning is based on purposive behavior, incidental learning, and insight learning.
E. C. Tolman's theory of purposive behavior emphasizes that much behavior is goal-directed. He argued that to understand behavior, we must look at the entire sequence of actions leading to a goal. For instance, high school students study hard, not just due to past reinforcement but also to achieve the goal of getting into a good college.
Tolman introduced the idea that behavior is influenced by...
E. C. Tolman's theory of purposive behavior emphasizes that much behavior is goal-directed. He argued that to understand behavior, we must look at the entire sequence of actions leading to a goal. For instance, high school students study hard, not just due to past reinforcement but also to achieve the goal of getting into a good college.
Tolman introduced the idea that behavior is influenced by...
307


