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Related Concept Videos

Explicit Memories01:27

Explicit Memories

Explicit memories, also known as declarative memories, are consciously remembered, recalled, and reported. Studying for a chemistry exam involves material that will become part of explicit memory. There are two types of explicit memory: episodic and semantic.
Episodic memory contains information about personally experienced events and is reported as a story. An example of episodic memory is recalling a birthday celebration. This type of memory includes the what, where, and when of an event, as...
Implicit Memories01:24

Implicit Memories

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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Higher Mental Functions of Brain: Learning and Memory01:26

Higher Mental Functions of Brain: Learning and Memory

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 playing an...
Long-Term Memory01:18

Long-Term Memory

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 remembers mundane...
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Examining Recall Memory in Infancy and Early Childhood Using the Elicited Imitation Paradigm
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Examining Recall Memory in Infancy and Early Childhood Using the Elicited Imitation Paradigm

Published on: April 28, 2016

The emergence of explicit memory during learning.

Michael Rose1, Hilde Haider, Christian Büchel

  • 1Department for Systems Neuroscience, NeuroImage Nord, University Medical Center Hamburg, Hamburg, Germany.

Cerebral Cortex (New York, N.Y. : 1991)
|March 3, 2010
PubMed
Summary
This summary is machine-generated.

Researchers found that increased brain connectivity and activity, particularly in prediction-related areas, precede conscious awareness during incidental learning. This suggests a reinforcement signal is key for implicit to explicit memory transitions.

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Area of Science:

  • Cognitive Neuroscience
  • Neurobiology of Learning
  • Memory Research

Background:

  • Incidental learning extracts environmental regularities without conscious intent, influencing behavior implicitly.
  • The transition from implicit to explicit awareness of learned regularities is a critical but understudied learning mechanism.

Purpose of the Study:

  • To investigate the neural mechanisms underlying the emergence of awareness for hidden regularities during incidental learning.
  • To identify brain activity patterns and connectivity changes that precede behavioral evidence of explicit awareness.

Main Methods:

  • Utilized a combination of behavioral experiments, electroencephalography (EEG) with time-frequency analysis, and functional magnetic resonance imaging (fMRI).
  • Examined neural activity, high-frequency coupling between brain areas, and signal changes in specific brain regions (ventral striatum, right ventrolateral prefrontal cortex).

Main Results:

  • Emergence of awareness correlated with increased neural activity and high-frequency coupling between distant brain areas.
  • Enhanced neural coupling was observed *before* behavioral signs of awareness, indicating a predictive neural process.
  • fMRI signals in the ventral striatum and right ventrolateral prefrontal cortex increased preceding awareness, linked to prediction and reinforcement processing.

Conclusions:

  • Large-scale neural coupling and the evaluation of predictive stimulus value are necessary for the transition from implicit to explicit memory.
  • Findings highlight the role of prediction error signaling and reinforcement in generating conscious awareness of learned contingencies.