Related Experiment Video
Updated: Feb 15, 2026
09:13
A Real-world What-Where-When Memory Test
Published on: May 16, 2017
12.1K
The mysteries of remote memory
1Laboratory of Neuroepigenetics, Brain Mind Institute, School of Life Sciences, Ecole Polytechnique Féderale Lausanne, CH-1015 Lausanne, Switzerland.
Summary
Long-lasting memory storage challenges traditional consolidation theories. Recent evidence suggests memories are encoded and stored in cortical networks from the start, involving dynamic cellular processes.
Area of Science:
- Neuroscience
- Cognitive Science
- Memory Research
Background:
- Long-lasting memories are crucial for identity and behavior.
- Traditional memory consolidation theory posits hippocampal to cortical transfer.
- Recent evidence challenges this standard model, suggesting alternative encoding and storage mechanisms.
Purpose of the Study:
- To review recent findings on long-lasting memory storage.
- To explore mechanisms of remote contextual memory formation and maintenance.
- To integrate different analytical levels, from neural circuits to epigenetic modifications.
Main Methods:
- Review of recent experimental and theoretical findings.
- Analysis of neural circuit dynamics.
- Investigation of synaptic remodeling and epigenetic modifications.
Main Results:
- Evidence suggests long-lasting memories may be encoded in cortical networks from the outset.
- Remote memory formation involves multi-trace, dynamic, and integrative cellular processes.
- These processes span from synaptic changes to nuclear modifications.
Conclusions:
- The standard theory of memory consolidation may be incomplete.
- Multiple trace theory offers an alternative framework for understanding memory storage.
- Remote memory involves complex, dynamic cellular mechanisms across multiple levels.
Related Concept Videos
01:23System of Memory
7.5K
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...
7.5K
01:24Working Memory
939
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...
939
01:18Long-Term Memory
706
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...
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...
706
01:20Traumatic Memory
597
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...
597
01:16Repressed Memory
534
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...
534
01:23Immunological Memory
17.1K
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.
What is Immunological Memory?
Immunological memory is an integral function of the immune system that allows it to recognize and react more rapidly and effectively to pathogens previously encountered. This feature...
What is Immunological Memory?
Immunological memory is an integral function of the immune system that allows it to recognize and react more rapidly and effectively to pathogens previously encountered. This feature...
17.1K