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相关概念视频

Encoding01:19

Encoding

119
Information enters the brain through encoding, which is the input of information into the memory system. Once sensory information is received from the environment, the brain labels or codes it. The information is then organized with similar information and connected to existing concepts. Encoding occurs through automatic processing and effortful processing.
Automatic processing involves the encoding of details like time, space, frequency, and the meaning of words, usually done without conscious...
119
Chunking and Rehearsal in Sensory Memory01:22

Chunking and Rehearsal in Sensory Memory

134
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...
134
Factors Affecting Perception01:25

Factors Affecting Perception

1.4K
Perception is influenced by perceptual set, context, motivation, and emotion. Perceptual set, or perceptual expectancy, refers to the tendency to perceive things in a particular way, influenced by previous experiences and expectations. This phenomenon affects the interpretation of stimuli, creating a set of mental tendencies and assumptions that impact sensory perceptions of sound, taste, touch, and sight.
An illustrative example of a perceptual set is the scenario where an airline pilot told...
1.4K
Framing Effects03:26

Framing Effects

7.3K
Information is everywhere and its presentation—such as how and when items are presented—can impact our perceptions and decisions surrounding the info. This broad concept umbrellas framing effects—influences that occur due to the way information is framed in its appearance, whether it’s purely the order or the specific wording of a message. Let’s take a look at numerous ways in which two versions of something can objectively say the same thing, yet we respond in...
7.3K
Cause and Effect01:53

Cause and Effect

10.8K
While variables are sometimes correlated because one does cause the other, it could also be that some other factor, a confounding variable, is actually causing the systematic movement in our variables of interest. For instance, as sales in ice cream increase, so does the overall rate of crime. Is it possible that indulging in your favorite flavor of ice cream could send you on a crime spree? Or, after committing crime do you think you might decide to treat yourself to a cone?
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The Anchoring-and-Adjustment Heuristic01:25

The Anchoring-and-Adjustment Heuristic

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In order to make good decisions, we use our knowledge and our reasoning. Often, this knowledge and reasoning is sound and solid. However, sometimes, we are swayed by biases or by others manipulating a situation. For example, let’s say you and three friends wanted to rent a house and had a combined target budget of $1,600. The realtor shows you only very run-down houses for $1,600 and then shows you a very nice house for $2,000. Might you ask each person to pay more in rent to get the...
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相关实验视频

Updated: May 26, 2025

Eye Tracking During Visually Situated Language Comprehension: Flexibility and Limitations in Uncovering Visual Context Effects
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Eye Tracking During Visually Situated Language Comprehension: Flexibility and Limitations in Uncovering Visual Context Effects

Published on: November 30, 2018

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在编码过程中对模式分离的上下文影响

Laura García-Rueda1, Claudia Poch2, Joaquín Macedo-Pascual2

  • 1PhD Program in Neuroscience, Autonomous University of Madrid-Cajal Institute, 28029 Madrid, Spain.

NeuroSci
|February 21, 2025
PubMed
概括

这项研究调查了上下文稳定性如何影响编码期间的情节性记忆模式分离. 结果显示,上下文相似性没有影响行为记忆歧视,这表明上下文影响的记忆超出了简单的物品识别.

关键词:
欧洲经济论坛 (ERP) 是一个欧洲经济论坛.这是一种情节性记忆 (episodic memory).记忆上下文的依赖性记忆力上的歧视.模式分离模式分离模式随后的记忆效应.

更多相关视频

Dissociation of the Confounding Influences of Expectancy and Integrative Difficulty Residing in Anomalous Sentences in Event-related Potential Studies
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How to Find Effects of Stimulus Processing on Event Related Brain Potentials of Close Others when Hyperscanning Partners
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相关实验视频

Last Updated: May 26, 2025

Eye Tracking During Visually Situated Language Comprehension: Flexibility and Limitations in Uncovering Visual Context Effects
07:36

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Dissociation of the Confounding Influences of Expectancy and Integrative Difficulty Residing in Anomalous Sentences in Event-related Potential Studies
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Dissociation of the Confounding Influences of Expectancy and Integrative Difficulty Residing in Anomalous Sentences in Event-related Potential Studies

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How to Find Effects of Stimulus Processing on Event Related Brain Potentials of Close Others when Hyperscanning Partners
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科学领域:

  • 认知神经科学 认知神经科学
  • 神经科学是一个神经科学.
  • 心理学 心理学 心理学

背景情况:

  • 情节性记忆依赖于模式分离来区分类似的经历.
  • 背景信息经常在类似的情节之间重叠,这对记忆构成了挑战.
  • 对环境对模式分离的影响的研究,特别是在编码过程中,是有限的.

研究的目的:

  • 为了研究上下文稳定性对在内存编码过程中模式分离的影响.
  • 检查操纵的上下文相似性如何影响记忆力歧视表现.
  • 利用事件相关潜能 (ERP) 探索依赖上下文的模式分离的神经基础.

主要方法:

  • 随后采用了一个后续的记忆范式,在视觉对象的编码过程中操纵上下文相似性.
  • 参与者在延迟后执行了一个视觉记忆区分任务,以区分旧的,相似的和新的项目.
  • 与事件相关的潜能 (ERP) 被记录和分析,以评估与记忆判断相关的神经活动.

主要成果:

  • 在行为上,参与者成功地区分了老和诱惑物品,而不考虑上下文的相似性.
  • 在行为层面上,判断类型和上下文条件之间没有发现显著的相互作用.
  • 在成功和新的失败之间,ERP 显示出了显著的后续记忆效应 (SME),但对于其他判断类型而言并非如此.

结论:

  • 编码期间的上下文稳定性似乎不会影响行为记忆歧视.
  • 项目识别可能来自与随后编码的信息的交互,而不是仅仅来自检索过程.
  • 这些发现表明,项目信息,上下文和记忆检索之间存在复杂的相互作用.