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相关概念视频

Interference and Decay01:16

Interference and Decay

174
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...
174
Dissociative Disorders01:27

Dissociative Disorders

151
Dissociative disorders represent complex psychological conditions characterized by disruptions in consciousness, memory, identity, or perception. These disruptions cause individuals to experience a disconnection from their thoughts, emotions, and memories. The phenomenon is not merely an occasional lapse in attention but a profound alteration in mental functioning that can severely impact daily life.
Dissociative Fugue
A hallmark feature of dissociative disorders is the dissociative fugue...
151
Understanding Memory01:19

Understanding Memory

558
Memory is the retention of information or experiences over time, facilitated through three main processes: encoding, storage, and retrieval. Encoding is the process of inputting information into the memory system. For instance, when listening to a lecture, watching a play, reading a book, or having a conversation, the brain is actively encoding information. This initial stage involves transforming sensory input into a form that can be processed and stored by the brain. Various factors, such as...
558
Forgetting01:21

Forgetting

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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...
100
Dissociative Amnesia01:21

Dissociative Amnesia

147
Dissociative amnesia is a complex psychological condition that manifests as an inability to recall personal information, often tied to traumatic or stressful events. Unlike general amnesia, individuals with this condition retain the ability to perform routine activities and procedural tasks, such as operating a phone or navigating public transportation, yet experience profound gaps in autobiographical memory. These lapses may encompass significant life events, such as suicide attempts or...
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Retrieval01:12

Retrieval

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Retrieval is the process of getting information out of memory storage and back into conscious awareness. This ability is essential for daily tasks like brushing hair and teeth, driving to work, and performing job duties. Retrieval occurs in three ways: recall, recognition, and relearning.
Recall involves accessing information without cues, such as during an essay test, where individuals must retrieve facts and concepts from memory unaided. Another example is remembering the name of a colleague...
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相关实验视频

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A Dual Task Procedure Combined with Rapid Serial Visual Presentation to Test Attentional Blink for Nontargets
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记忆和注意力:记忆编码和记忆检索之间的双重分离.

Neil W Mulligan1, Pietro Spataro2, John T West1

  • 1University of North Carolina, United States of America.

Cognition
|June 24, 2023
PubMed
概括
此摘要是机器生成的。

分分注意力 (DA) 负面影响记忆编码,而不是检索. 这项研究表明,当注意力被分割时,注意力提升效应 (ABE) 损害了检索,支持用于记忆编码和检索的不同注意力类型.

关键词:
注意力和记忆力 注意力和记忆力注意力提升效应的提升效应编码和检索过程中的编码和检索过程.外部与内部的注意力.感知与反射的注意力对比.转移适当的处理

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Brain Imaging Investigation of the Memory-Enhancing Effect of Emotion
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相关实验视频

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科学领域:

  • 认知心理学 认知心理学
  • 神经科学是一个神经科学.
  • 记忆研究 记忆研究

背景情况:

  • 分分注意力 (DA) 研究显示,在记忆编码过程中存在显著的负面影响,但在检索过程中影响较小.
  • 这种不对称性被归因于编码与检索中的不同的控制过程或注意类型.
  • 然而,现有的证据可能反映了不同的敏感性,而不是定性差异.

研究的目的:

  • 为了调查注意力在记忆编码和检索过程中的作用的定性差异.
  • 检查注意力提升效应 (ABE) 以及它在编码和检索阶段的分离.
  • 测试ABE的双重任务交互帐户及其对注意力类型的影响.

主要方法:

  • 在编码和检索阶段操纵分分注意力的实验 (DA).
  • 使用注意力提升效应 (ABE) 范式,在此情况下,在次要任务中检测目标会影响共发生刺激的记忆.
  • 在编码和检索任务中,将与目标呈现的单词的识别精度与分心器进行比较.

主要成果:

  • 实验1,2和4表明,在检索过程中与目标配对的测试单词比与分心器配对的测试单词要糟糕得多.
  • 实验3和4复制了标准的积极ABE,在编码过程中当目标存在时增强记忆.
  • 观察到双重解离,ABE对检索有负面影响,但对编码有积极影响.

结论:

  • 研究结果支持双重分离,表明记忆编码 (外部/感知) 和检索 (内部/反射) 的注意力机制是不同的.
  • 结果挑战了仅基于不同灵敏度的解释,有利于具有质量不同的注意力过程的模型.
  • 这项研究对通过转移适当处理 (TAP) 和注意力类型的透视来理解记忆有意义.