相关实验视频
Updated: Jun 26, 2025

09:28
A Within-Subject Experimental Design using an Object Location Task in Rats
Published on: May 6, 2021
4.5K
项目位置关联记忆的奖励增强扩展到类别内的类似项目
Evan Grandoit1, Michael S Cohen2, Paul J Reber1
1Department of Psychology, Northwestern University, Evanston, IL, USA.
Cognition & emotion
|May 20, 2024
概括
经历奖励显著改善物品位置关联的记忆,增强回忆奖励和相关的无奖励物品的未来决策.
科学领域:
- 认知神经科学 认知神经科学
- 神经经济学 神经经济学
- 记忆研究 记忆研究
背景情况:
- 众所周知,奖励处理会影响决策和学习.
- 以前的研究表明,奖励可以增强记忆力,但它对关联记忆和相关物品的影响不太清楚.
研究的目的:
- 调查奖励是否可以增强关联物品位置记忆.
- 为了确定奖励效应是否延伸到类别相关的,未获得奖励的项目.
- 检查奖励增强记忆的时间动态.
主要方法:
- 参与者执行了一项时间估计任务,涉及获得奖励 (积分或金钱).
- 展示了刺激与位置的配对,其次是高价值或低价值的奖励.
- 位置记忆和识别 (是/否) 被立即测试,并在24小时的延迟后进行测试.
主要成果:
- 高价值奖励强大改进了奖励和分类相关的未奖励项目的位置记忆.
- 这种增强记忆的效果在即时和延迟测试中持续存在.
- 没有发现奖励价值对识别记忆性能有显著影响.
结论:
- 奖励有助于巩固最近的经历和与概念相关的记忆.
- 这种机制可能会增加用于指导未来决策的内存可用性.
- 奖励对记忆的影响超越了直接体验的项目,涉及到相关的信息.
相关概念视频
Associative Learning
340
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...
340
Mnemonic Devices
72
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,...
72
Serial Position Effect
169
The serial position effect is a cognitive phenomenon where individuals are more likely to recall the first and last items in a list compared to those in the middle. This effect is divided into the primacy effect and the recency effect. The primacy effect is observed when the initial items in a list are remembered better. This occurs because these items are rehearsed more frequently or receive more elaborative processing, allowing them to be encoded into long-term memory more effectively. For...
169
Real-World Application of Classical Conditioning
548
Classical conditioning not only includes the initial pairing of stimuli but also extends to more complex forms, such as higher-order conditioning. Higher-order conditioning involves creating associations beyond the primary conditioned stimulus, resulting in a chain of conditioned responses.
Higher-order, or second-order, conditioning occurs when a neutral stimulus becomes associated with an already established conditioned stimulus through repeated pairings. For instance, if a dog has been...
Higher-order, or second-order, conditioning occurs when a neutral stimulus becomes associated with an already established conditioned stimulus through repeated pairings. For instance, if a dog has been...
548
Higher Mental Functions of Brain: Learning and Memory
744
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...
744
Chunking and Rehearsal in Sensory Memory
199
Improving short-term memory can be achieved through techniques like chunking and rehearsal. Chunking involves organizing information into larger, more manageable units. This technique is particularly useful for information that exceeds the typical memory span of between five and nine items. For instance, logging into an online account with a password like "ta89vq0179gz" involves grouping letters and numbers into three chunks—ta89, vq01, and 79gz. It makes large amounts of...
199

