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Related Concept Videos

Retrieval01:12

Retrieval

Retrieval is the process of getting information out of memory storage and back into conscious awareness. This ability is essential for daily tasks like brushing hair and teeth, driving to work, and performing job duties. Retrieval occurs in three ways: recall, recognition, and relearning.
Recall involves accessing information without cues, such as during an essay test, where individuals must retrieve facts and concepts from memory unaided. Another example is remembering the name of a colleague...
System of Memory01:23

System of Memory

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...
Understanding Memory01:19

Understanding Memory

Memory is the retention of information or experiences over time, facilitated through three main processes: encoding, storage, and retrieval. Encoding is the process of inputting information into the memory system. For instance, when listening to a lecture, watching a play, reading a book, or having a conversation, the brain is actively encoding information. This initial stage involves transforming sensory input into a form that can be processed and stored by the brain. Various factors, such as...
Role of Hippocampus in Memory01:19

Role of Hippocampus in Memory

The hippocampus, a critical brain structure, plays an essential role in memory processing, particularly in the formation and retrieval of memory. This small, seahorse-shaped region is located within the medial temporal lobe, with one hippocampus in each brain hemisphere. Experimental studies involving lesions in the hippocampi of rats have demonstrated significant impairments in tasks such as object recognition and maze navigation, indicating the hippocampus involvement in both recognition and...
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.
One key aspect of implicit...
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...

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Related Experiment Video

Updated: Jun 8, 2026

Novel Object Recognition Test for the Investigation of Learning and Memory in Mice
08:52

Novel Object Recognition Test for the Investigation of Learning and Memory in Mice

Published on: August 30, 2017

Recognition memory: material, processes, and substrates.

Malcolm W Brown1, E Clea Warburton, John P Aggleton

  • 1MRC Centre for Synaptic Plasticity, Department of Anatomy, Medical School, Bristol BS81TD, United Kingdom. M.W.Brown@bristol.ac.uk

Hippocampus
|September 18, 2010
PubMed
Summary
This summary is machine-generated.

The perirhinal cortex and hippocampus play distinct roles in memory. Recent studies support their specialized functions in familiarity and recollection, though other brain areas are also involved.

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Assessment of Memory Function in Pilocarpine-induced Epileptic Mice
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Assessment of Memory Function in Pilocarpine-induced Epileptic Mice

Published on: June 4, 2020

Related Experiment Videos

Last Updated: Jun 8, 2026

Novel Object Recognition Test for the Investigation of Learning and Memory in Mice
08:52

Novel Object Recognition Test for the Investigation of Learning and Memory in Mice

Published on: August 30, 2017

Assessment of Memory Function in Pilocarpine-induced Epileptic Mice
13:34

Assessment of Memory Function in Pilocarpine-induced Epileptic Mice

Published on: June 4, 2020

Area of Science:

  • Neuroscience
  • Cognitive Psychology

Background:

  • Recognition memory involves distinct neural systems.
  • The perirhinal cortex is proposed to handle familiarity, while the hippocampus handles recollection.

Purpose of the Study:

  • To review recent findings on the roles of the perirhinal cortex and hippocampus in recognition memory.
  • To evaluate the proposal of specialized systems for familiarity and recollection.

Main Methods:

  • Review of recent animal studies (rats) and human clinical data.
  • Analysis of findings considering material type, test type, and subject strategy.

Main Results:

  • Evidence supports specialized roles for perirhinal cortex (familiarity) and hippocampus (recollection).
  • Cooperation between both systems is often essential for recognition memory.
  • Independent operation of these systems is also observed.
  • Prefrontal cortex and sensory association cortices play significant roles.

Conclusions:

  • Most recent findings support the specialized roles of the perirhinal cortex and hippocampus.
  • Recognition memory involves a network of brain structures beyond the medial temporal lobe.