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Related Concept Videos

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...
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Interference and Decay01:16

Interference and Decay

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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.
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Higher Mental Functions of Brain: Learning and Memory01:26

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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...
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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.
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False Memories01:18

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False memories represent a cognitive distortion in which individuals recall events that did not happen, or remember them in an altered form. This phenomenon highlights the brain's constructive nature in processing and recalling memories, emphasizing that memory is not a perfect representation of past events but rather a dynamic reconstruction influenced by various factors.
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Long-Term Memory01:18

Long-Term Memory

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Long-term memory is a relatively permanent type of memory, capable of storing vast amounts of information over extended periods. Its storage capacity is generally considered unlimited.
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Related Experiment Video

Updated: May 6, 2026

Aversive Associative Learning and Memory Formation by Pairing Two Chemicals in Caenorhabditis elegans
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Voluntary forgetting before and after learning has been accomplished.

S S Rakover1

  • 1University of Haifa, Haifa, Israel.

Memory & Cognition
|November 9, 2013
PubMed
Summary

Participants can voluntarily forget information before it enters long-term memory. This study reveals that voluntary forgetting mechanisms operate on items in short-term storage, not long-term storage.

Area of Science:

  • Cognitive Psychology
  • Memory Research

Background:

  • Voluntary forgetting is a cognitive process where individuals intentionally suppress or eliminate information from memory.
  • Understanding the mechanisms and locus of voluntary forgetting is crucial for memory research.

Purpose of the Study:

  • To investigate the effectiveness of voluntary forgetting under different conditions.
  • To determine the specific stage of memory (short-term vs. long-term store) where voluntary forgetting operates.

Main Methods:

  • Two experiments were conducted using lists of syllables and numbers projected sequentially.
  • Participants were instructed to either remember or forget specific items before projection.
  • Recall performance was measured for instructed items, with varying list presentation frequencies.

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Main Results:

  • Recall increased with list presentation frequency for items to be remembered, but not for items to be forgotten.
  • Voluntary forgetting was ineffective when attempted after learning had occurred.
  • Recall for forgotten items remained above chance, suggesting some level of processing.

Conclusions:

  • Voluntary forgetting mechanisms appear to operate on information in the short-term store.
  • Individuals may be able to prevent the transfer of unwanted information from short-term to long-term memory.
  • These findings support the hypothesis that voluntary forgetting does not directly impact the long-term store.