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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.
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Memory is categorized into three major systems: sensory memory, short-term memory (STM), and long-term memory (LTM). These systems differ in their capacity and the duration for which they can hold information. Sensory memory captures raw sensory input from the environment, holding it for just a few seconds or less. For example, on hearing a brief, loud sound, like a car horn honking, the sound seems to linger in the mind for a moment even after it stops. This is an instance of sensory memory...
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Working memory refers to a combination of components, including short-term memory and attention, that allow an individual to hold information temporarily as we perform cognitive tasks. It is an essential cognitive function that enables the execution of complex tasks such as problem-solving, comprehension, and reasoning. Unlike short-term memory, which simply involves the storage of information for a brief period, working memory involves the active manipulation and processing of this...
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Long-Term Memory01:18

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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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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...
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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...
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A Real-world What-Where-When Memory Test
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Memory and Forgetting.

Chris R Brewin1

  • 1Clinical Educational & Health Psychology, University College London, Gower Street, London, WC1E 6BT, UK. c.brewin@ucl.ac.uk.

Current Psychiatry Reports
|August 30, 2018
PubMed
Summary
This summary is machine-generated.

Recent advances in understanding post-traumatic stress disorder (PTSD) memory phenomenology offer new treatment avenues. Modifying traumatic memory recall shows promise for PTSD prevention and treatment, despite ongoing theoretical debate.

Keywords:
ImageryPTSDReconsolidationRetrievalTherapyTrauma

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Area of Science:

  • Neuroscience
  • Psychiatry
  • Psychology

Background:

  • Post-traumatic stress disorder (PTSD) is characterized by intrusive memories.
  • The ICD-11 highlights intrusive memories with a reliving quality.
  • Debate exists regarding the organization of trauma memories, distinguishing between global narratives and fragmented episodic memories.

Purpose of the Study:

  • To review recent developments in PTSD memory phenomenology.
  • To describe prominent theoretical models of PTSD memory.
  • To outline novel treatments targeting traumatic memory modification.

Main Methods:

  • Review of recent scientific literature on PTSD and memory.
  • Analysis of theoretical models explaining memory processes in PTSD.
  • Evaluation of emerging therapeutic interventions for PTSD.

Main Results:

  • Trauma memories may be fragmented, particularly during highly distressing moments.
  • Preventing initial memory consolidation shows potential for PTSD prevention.
  • Treatments like propranolol and imagery rescripting show promise for established PTSD.

Conclusions:

  • Modifying traumatic memory recall presents viable strategies for PTSD prevention and treatment.
  • Despite promising results, the theoretical underpinnings of these interventions remain under discussion.
  • Further research is needed to solidify the theoretical basis for memory modification techniques in PTSD therapy.