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Related Concept Videos

Storage01:23

Storage

A schema is a mental framework that helps individuals organize and interpret information. Schemata, formed from previous experiences, influence how we process new information: how we encode it, the inferences we make, and how we retrieve it. For instance, a schema for what a typical classroom looks like might include desks, a teacher's desk, a whiteboard, and students in such an environment. This expectation helps us quickly understand and navigate new classrooms without needing to analyze each...
Overview of Synapses01:25

Overview of Synapses

A synapse is a specialized structure where two neurons connect, allowing them to pass an electrical or chemical signal to another neuron. It is the point of communication between neurons. The term "synapse" is derived from the Greek word "synapsis," which means "conjunction." The entire process of neural communication revolves around the synapse. When activated, a neuron releases chemicals known as neurotransmitters into the synapse. These neurotransmitters cross the synapse and bind to...
The Synapse02:47

The Synapse

Neurons communicate with one another by passing on their electrical signals to other neurons. A synapse is the location where two neurons meet to exchange signals. At the synapse, the neuron that sends the signal is called the presynaptic cell, while the neuron that receives the message is called the postsynaptic cell. Note that most neurons can be both presynaptic and postsynaptic, as they both transmit and receive information.
Chemical Synapses01:26

Chemical Synapses

Chemical synapses are specialized sites between two neurons or between a neuron and a non-neuronal cell like a muscle, glandular or sensory cell.
Because chemical synapses depend on the release of neurotransmitter molecules from synaptic vesicles to pass on their signal, there is an approximately one millisecond delay between when the axon potential reaches the presynaptic terminal and when the neurotransmitter leads to opening of postsynaptic ion channels. Additionally, this signaling is...
Chemical Synapses01:26

Chemical Synapses

Chemical synapses are specialized sites between two neurons or between a neuron and a non-neuronal cell like a muscle, glandular or sensory cell.
Because chemical synapses depend on the release of neurotransmitter molecules from synaptic vesicles to pass on their signal, there is an approximately one millisecond delay between when the axon potential reaches the presynaptic terminal and when the neurotransmitter leads to opening of postsynaptic ion channels. Additionally, this signaling is...
Role of Neurotransmitters in Memory01:23

Role of Neurotransmitters in Memory

Neurotransmitters are integral to the brain's communication system, enabling neurons to transmit signals across synapses. This chemical exchange underpins various cognitive functions, including memory processes. The role of neurotransmitters in memory is multifaceted, influencing the encoding, consolidation, and retrieval of memories through their action on different neural circuits.
 Glutamate and Synaptic Plasticity
Glutamate, the brain's main excitatory neurotransmitter, is critical for...

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Investigation of Synaptic Tagging/Capture and Cross-capture using Acute Hippocampal Slices from Rodents
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Synapses and memory storage.

Mark Mayford1, Steven A Siegelbaum, Eric R Kandel

  • 1The Scripps Research Institute, Department of Cell Biology, La Jolla, California 92037, USA.

Cold Spring Harbor Perspectives in Biology
|April 13, 2012
PubMed
Summary
This summary is machine-generated.

Synaptic plasticity, the ability of synapses to change, is crucial for learning and memory. This review explores how synaptic modifications regulate complex behaviors in whole animals.

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Area of Science:

  • Neuroscience
  • Molecular Biology
  • Behavioral Science

Background:

  • The synapse is the fundamental unit of brain function, exhibiting significant morphological and molecular diversity.
  • Synaptic response size is not fixed and can be modulated by various factors, including prior activity and neurotransmitters.
  • Understanding how synapses are regulated is key to deciphering information flow in neural circuits for behavior and memory.

Purpose of the Study:

  • To review studies investigating the role of synaptic plasticity in regulating whole-animal behavior.
  • To explore how learning and memory are mediated by changes in synaptic function.
  • To highlight the challenges in experimental design for studying synaptic regulation in vivo.

Main Methods:

  • Focus on studies examining synaptic plasticity in the context of learning and memory.
  • Analysis of research linking synaptic modifications to behavioral outcomes.
  • Review of experimental approaches to understand synaptic regulation of neural circuits.

Main Results:

  • Synaptic plasticity plays a critical role in the regulation of complex behaviors.
  • Learning and memory processes are underpinned by alterations in synaptic efficacy and structure.
  • Diverse synaptic mechanisms contribute to the adaptability of neural circuits.

Conclusions:

  • Synaptic plasticity is a key mechanism for behavioral adaptation, learning, and memory storage.
  • Further research is needed to elucidate the precise mechanisms linking synaptic changes to behavior.
  • Investigating synaptic plasticity offers insights into the neural basis of cognition and behavior.