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Related Concept Videos

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...
Eyewitness Memory01:22

Eyewitness Memory

Eyewitness memory refers to the recollection of events by someone who has directly witnessed them, often serving as critical evidence in legal settings. This type of memory is commonly used in criminal cases where a witness describes details like a suspect's appearance, clothing, or behavior during a crime. However, despite its perceived reliability, eyewitness memory is prone to significant errors.
One such error is memory distortion, which occurs because human memory does not function like a...
Role of Amygdala in Memory01:16

Role of Amygdala in Memory

The amygdala is a small, almond-shaped structure responsible for processing and storing memories, particularly those linked to emotions like fear and stress. It plays an essential role in the brain's response to emotionally significant events and often enhances memory formation by triggering stress hormone release. The amygdala is vital for encoding and retrieving memories associated with fear or stress, a process that is adaptive by helping organisms avoid dangerous situations.
One of the...
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 Cerebellum and Prefrontal Cortex in Memory01:14

Role of Cerebellum and Prefrontal Cortex in Memory

The cerebellum, while traditionally associated with motor control, also plays a crucial role in memory, particularly in procedural memory, which involves learning motor tasks that become automatic through repetition. For example, studies have shown that when the cerebellum is damaged, individuals or animals lose the ability to learn conditioned motor responses, such as the conditioned eye-blink response in classical conditioning experiments with rabbits. This study demonstrates the cerebellum's...
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Higher Mental Functions of Brain: Learning and Memory

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Related Experiment Video

Updated: Jul 10, 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 and the medial temporal lobe: a new perspective.

Larry R Squire1, John T Wixted, Robert E Clark

  • 1Veterans Affairs Medical Center (116A), 3350 La Jolla Village Drive, San Diego, California 92161, USA. lsquire@ucsd.edu

Nature Reviews. Neuroscience
|October 20, 2007
PubMed
Summary

This study challenges the traditional view of memory, suggesting recollection and familiarity are not distinct brain functions. Instead, memory strength, not type, differentiates brain signals in the hippocampus and perirhinal cortex.

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A Comprehensive Protocol for Manual Segmentation of the Medial Temporal Lobe Structures
12:30

A Comprehensive Protocol for Manual Segmentation of the Medial Temporal Lobe Structures

Published on: July 2, 2014

Related Experiment Videos

Last Updated: Jul 10, 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

A Comprehensive Protocol for Manual Segmentation of the Medial Temporal Lobe Structures
12:30

A Comprehensive Protocol for Manual Segmentation of the Medial Temporal Lobe Structures

Published on: July 2, 2014

Area of Science:

  • Neuroscience
  • Cognitive Psychology
  • Memory Research

Background:

  • Recognition memory is traditionally divided into recollection and familiarity.
  • These components are often attributed to distinct brain regions: the hippocampus for recollection and the perirhinal cortex for familiarity.

Purpose of the Study:

  • To propose an alternative perspective on recognition memory components.
  • To investigate whether traditional methods separate recollection from familiarity or memory strength (strong vs. weak memories).

Main Methods:

  • Review of existing scientific literature and studies.
  • Analysis of findings from research involving humans, monkeys, and rodents.

Main Results:

  • Evidence suggests familiarity and recollection signals are present in both the hippocampus and perirhinal cortex.
  • The distinction between "recollection" and "familiarity" may actually reflect differences in memory strength.

Conclusions:

  • The hippocampus and perirhinal cortex exhibit overlapping functions regarding memory signals.
  • Medial temporal lobe structures likely work cooperatively and complementarily in memory processing.