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Related Concept Videos

Retrieval01:12

Retrieval

193
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...
193
Interference and Decay01:16

Interference and Decay

235
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...
235
Repressed Memory01:16

Repressed Memory

183
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...
183
Traumatic Memory01:20

Traumatic Memory

288
Emotionally traumatic events often lead to memories that are exceptionally vivid and enduring, sometimes persisting with remarkable clarity throughout an individual's life. A classic example of this phenomenon is a person who survives a car accident. Even years later, they may recall every detail of the event with startling accuracy — the screeching of the tires, the jarring impact, and the acrid smell of burning rubber. Such vividness contrasts sharply with how an individual...
288
Chunking and Rehearsal in Sensory Memory01:22

Chunking and Rehearsal in Sensory Memory

318
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...
318
Implicit Memories01:24

Implicit Memories

211
Implicit memories, also known as non-declarative memories, are long-term memories that function outside of conscious awareness. These memories influence behavior and skills without explicit knowledge. This type of memory is evident in tasks like playing tennis, snowboarding, and texting. Implicit memory has three subsystems: procedural memory, conditioning, and priming. This type of memory is essential in various activities, from everyday tasks to specialized skills.
One key aspect of implicit...
211

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Items that are subject to retrieval-induced forgetting show slowed forgetting over time.

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Updated: Oct 3, 2025

A Prediction Error-driven Retrieval Procedure for Destabilizing and Rewriting Maladaptive Reward Memories in Hazardous Drinkers
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Selective memory retrieval can revive forgotten memories.

Karl-Heinz T Bäuml1, Lukas Trißl2

  • 1Department of Experimental Psychology, Regensburg University, 93053 Regensburg, Germany karl-heinz.baeuml@ur.de.

Proceedings of the National Academy of Sciences of the United States of America
|February 15, 2022
PubMed
Summary
This summary is machine-generated.

Selective retrieval can enhance memory recall by interrupting time-dependent forgetting. This process appears to reset the forgetting curve, leading to lasting memory improvements.

Keywords:
contextepisodic memoryforgettingretrieval

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Area of Science:

  • Cognitive Psychology
  • Neuroscience of Memory

Background:

  • Memory recall naturally declines over time, a phenomenon known as time-dependent forgetting.
  • Selective retrieval, the act of recalling specific information, has been shown to counteract this forgetting, improving memory for both retrieved and non-retrieved items.

Purpose of the Study:

  • To investigate whether the memory enhancement from selective retrieval is transient or leads to a permanent update in temporal context.
  • To determine if selective retrieval can reset the process of time-dependent forgetting.

Main Methods:

  • Three experiments were conducted to analyze time-dependent forgetting.
  • Participants underwent selective retrieval at varying time intervals after initial encoding.
  • Recall performance for retrieved and non-retrieved information was measured.

Main Results:

  • Selective retrieval significantly boosted recall of non-retrieved information to levels seen immediately after study.
  • Time-dependent forgetting was reset after selective retrieval, with forgetting rates becoming indistinguishable from those after initial study.
  • This suggests a permanent updating of temporal context, leading to lasting recall enhancement.

Conclusions:

  • Selective retrieval can revive forgotten memories and induce a lasting enhancement in recall.
  • The findings support the role of context retrieval and permanent temporal context updating in mediating these effects.
  • Selective retrieval acts as a 'reset' button for the memory recall process, counteracting natural forgetting.