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Related Concept Videos

Eyewitness Memory01:22

Eyewitness Memory

645
Eyewitness memory refers to the recollection of events by someone who has directly witnessed them, often serving as critical evidence in legal settings. This type of memory is commonly used in criminal cases where a witness describes details like a suspect's appearance, clothing, or behavior during a crime. However, despite its perceived reliability, eyewitness memory is prone to significant errors.
One such error is memory distortion, which occurs because human memory does not function...
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Forgetting01:21

Forgetting

551
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...
551
Interference and Decay01:16

Interference and Decay

628
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...
628
Tip-of-the-Tongue Phenomenon01:10

Tip-of-the-Tongue Phenomenon

723
The tip-of-the-tongue (TOT) phenomenon is a cognitive experience characterized by a temporary inability to retrieve specific information from memory despite having a strong feeling of knowing the information. Although individuals cannot access the target word or detail, they frequently recall related elements, such as its initial letter, syllable count, or context. This partial retrieval often causes frustration, as one might recognize a familiar face or know that a name starts with a specific...
723
Repressed Memory01:16

Repressed Memory

670
Repressed memories are a psychological phenomenon where memories of traumatic events are unconsciously blocked from a person's awareness. This process occurs as a defense mechanism, protecting the mind from the emotional impact of distressing or painful experiences. For example, a person who has experienced childhood trauma may grow up with no conscious recollection of the event. In such cases, the memories are thought to be buried deep within the subconscious, inaccessible to the conscious...
670
Retrieval01:12

Retrieval

596
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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Related Experiment Video

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Using a Classroom-Based Deese Roediger McDermott Paradigm to Assess the Effects of Imagery on False Memories
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Retrieval-induced forgetting in an eyewitness-memory paradigm.

J S Shaw1, R A Bjork, A Handal

  • 1Department of Psychology, University of Texas, 79968, El Paso, TX, js11%utep@utepvm.utep.edu.

Psychonomic Bulletin & Review
|November 9, 2013
PubMed
Summary
This summary is machine-generated.

Repeatedly questioning a witness can alter their memory. While some details become easier to recall due to retrieval practice, others may be forgotten, even without misinformation.

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Area of Science:

  • Cognitive Psychology
  • Forensic Psychology

Background:

  • Retrieval practice enhances recall of practiced information.
  • Categorical similarity can lead to forgetting of unpracticed information.

Purpose of the Study:

  • To examine the impact of repeated questioning on witness memory.
  • To investigate how retrieval practice affects recall of crime-scene details.

Main Methods:

  • Subjects viewed crime-scene slides.
  • Participants were repeatedly questioned about specific details.
  • Later recall of crime-scene details was assessed.

Main Results:

  • Repeated questioning enhanced recall of questioned details.
  • Recall of unpracticed, categorically similar details decreased.
  • Memory modification occurred even without misinformation.

Conclusions:

  • Repeated interrogation can selectively enhance or impair witness memory.
  • Legal practitioners should be aware of memory modification effects from questioning.
  • Memory is malleable and subject to change with repeated retrieval attempts.