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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...
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...
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...
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.
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...
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...
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.
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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

The medial temporal lobe: memory and beyond.

Robert K Lech1, Boris Suchan

  • 1Institute of Cognitive Neuroscience, Department of Neuropsychology, Ruhr-University Bochum, Bochum, Germany; International Graduate School of Neuroscience, Ruhr-University Bochum, Bochum, Germany.

Behavioural Brain Research
|June 18, 2013
PubMed
Summary
This summary is machine-generated.

The medial temporal lobe memory system

Keywords:
FamiliarityHippocampusMedial temporal lobeRecollectionVisual discriminationWorking memory

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Last Updated: May 10, 2026

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Published on: July 2, 2014

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Area of Science:

  • Neuroscience
  • Cognitive Psychology
  • Neuroimaging

Background:

  • The medial temporal lobe (MTL) structures, including the hippocampus and surrounding cortices, are critical for long-term memory.
  • Their precise roles in distinct cognitive functions and memory processes remain debated.
  • Current understanding often relies on subjective memory ratings, potentially conflating different neural mechanisms.

Purpose of the Study:

  • To review recent findings on MTL involvement in recognition and episodic memory.
  • To present a novel paradigm for objectively distinguishing recollection and familiarity.
  • To explore the MTL's role in visual processing and its relation to memory.

Main Methods:

  • Review of functional imaging and lesion studies on memory.
  • Introduction of a new experimental paradigm using objective manipulations of recollection and familiarity.
  • Analysis of data supporting the visual-mnemonic theory.

Main Results:

  • Evidence suggests sustained hippocampal and perirhinal cortex involvement in episodic memory.
  • Objective measures indicate no anatomical separation between recollection and familiarity, contradicting subjective rating studies.
  • Findings support the visual-mnemonic theory, linking MTL function to visual processing.

Conclusions:

  • Significant questions regarding the functional organization of the MTL persist.
  • Further research is needed to develop a comprehensive MTL model.
  • A shift towards investigating representational types, rather than distinct cognitive processes, may be necessary.