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Related Concept Videos

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.
Long-term memory can be categorized into two primary types: explicit and implicit memory. Explicit memory, also known as declarative memory, involves the conscious recollection of information that we deliberately try to remember, recall, and articulate. This type of memory encompasses specific facts, events, and...
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System of Memory01:23

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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 Memory01:24

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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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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 Memory01:16

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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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Immunological memory, a pivotal pillar of the adaptive immune system, is responsible for the body's ability to remember and respond more swiftly and effectively to previously encountered pathogens. This remarkable feature is what makes vaccines so effective in preventing diseases.
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Related Experiment Video

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C. elegans Positive Butanone Learning, Short-term, and Long-term Associative Memory Assays
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Visual working memory is more tolerant than visual long-term memory.

Mark W Schurgin1, Jonathan I Flombaum2

  • 1Department of Psychology, University of California, San Diego.

Journal of Experimental Psychology. Human Perception and Performance
|May 8, 2018
PubMed
Summary
This summary is machine-generated.

Human visual working memory (VWM) shows surprising tolerance in object recognition, outperforming visual long-term memory (VLTM) when faced with variability. This suggests VWM plays a key role in developing tolerant recognition abilities.

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Area of Science:

  • Cognitive Psychology
  • Artificial Intelligence
  • Neuroscience

Background:

  • Human visual memory exhibits tolerance, enabling object recognition despite variations.
  • Artificial intelligence currently lags behind humans in tolerant object recognition.
  • Visual long-term memory (VLTM) is typically associated with tolerance, while visual working memory (VWM) is often linked to discrimination.

Purpose of the Study:

  • To empirically compare tolerance across VWM and VLTM.
  • To investigate the role of VWM in tolerant object recognition.
  • To develop a novel paradigm for equating memory tests across different memory types.

Main Methods:

  • A novel paradigm tested VWM and VLTM within the same trial.
  • Participants viewed two objects, with one memory tested immediately (VWM) and the other later (VLTM).
  • Image and object variability were systematically introduced to assess performance changes.

Main Results:

  • VWM performance exceeded VLTM performance.
  • VWM remained robust despite introduced variability.
  • VLTM performance degraded linearly with increased variability.

Conclusions:

  • VWM demonstrates a significant role in tolerant object recognition, contrary to previous assumptions.
  • The findings suggest VWM may be crucial for acquiring tolerant representations.
  • This challenges the traditional view of VWM as solely a discriminatory system.