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Related Concept Videos

Long-term Depression01:03

Long-term Depression

Long-term depression, or LTD, is one of the ways by which synaptic plasticity—changes in the strength of chemical synapses—can occur in the brain. LTD is the process of synaptic weakening that occurs over time between pre and postsynaptic neuronal connections. The synaptic weakening of LTD works in opposition to synaptic strengthening by long-term potentiation (LTP) and together are the main mechanisms that underlie learning and memory.
Calcium Ion Concentration Mechanism
If over time, all...
Long-term Depression01:05

Long-term Depression

Long-term depression, or LTD, is one of the ways by which synaptic plasticity—changes in the strength of chemical synapses—can occur in the brain. LTD is the process of synaptic weakening that occurs over time between pre and postsynaptic neuronal connections. The synaptic weakening of LTD works in opposition to synaptic strengthening by long-term potentiation (LTP) and together are the main mechanisms that underlie learning and memory.
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...
Long-term Potentiation01:25

Long-term Potentiation

Long-term potentiation, or LTP, is one of the ways by which synaptic plasticity—changes in the strength of chemical synapses—can occur in the brain. LTP is the process of synaptic strengthening that occurs over time between pre and postsynaptic neuronal connections. The synaptic strengthening of LTP works in opposition to the synaptic weakening of long-term depression (LTD) and together are the main mechanisms that underlie learning and memory.
Hebbian LTP
LTP can occur when presynaptic neurons...
Long-term Potentiation01:35

Long-term Potentiation

Long-term potentiation, or LTP, is one of the ways by which synaptic plasticity—changes in the strength of chemical synapses—can occur in the brain. LTP is the process of synaptic strengthening that occurs over time between pre- and postsynaptic neuronal connections. The synaptic strengthening of LTP works in opposition to the synaptic weakening of long-term depression (LTD) and together are the main mechanisms that underlie learning and memory.
Catenins01:23

Catenins

Catenins are characterized by multiple binding domains and dynamic structures that allow them to function as linker proteins in cell junction complexes. All catenins, except α-catenin, contain a characteristic protein sequence called the armadillo repeat and are therefore also called armadillo proteins.
Catenins in Cell Junctions
Catenins bind to cell adhesion molecules such as cadherins and link them to different cytoskeletal proteins depending on the type of cell junction. At the adherens...

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Related Experiment Video

Updated: Jun 3, 2026

Evaluation of Synapse Density in Hippocampal Rodent Brain Slices
07:44

Evaluation of Synapse Density in Hippocampal Rodent Brain Slices

Published on: October 6, 2017

Memory, synapse stability, and β-adducin.

Milos Babic1, Konrad E Zinsmaier

  • 1Departments of Neuroscience, University of Arizona, Tucson, AZ 85721, USA.

Neuron
|March 26, 2011
PubMed
Summary

Beta-adducin acts as a crucial switch for controlling synapse assembly and disassembly. This protein is essential for enhancing learning and memory in mice exposed to enriched environments.

Area of Science:

  • Neuroscience
  • Cell Biology
  • Synaptic Plasticity

Background:

  • Synaptic plasticity, the ability of synapses to strengthen or weaken over time, is crucial for learning and memory.
  • The dynamic regulation of synapse assembly and disassembly is a key aspect of synaptic plasticity.
  • Understanding the molecular mechanisms governing these processes is vital for neurological research.

Discussion:

  • Two recent studies identify beta-adducin as a critical regulator of synaptic structure.
  • Beta-adducin functions as an activity-dependent switch, controlling both the disassembly and assembly of synapses.
  • These findings were observed in both the Drosophila neuromuscular junction and the mouse hippocampus.

Key Insights:

  • Beta-adducin plays a pivotal role in activity-dependent synapse remodeling.

More Related Videos

Preparation of Acute Hippocampal Slices from Rats and Transgenic Mice for the Study of Synaptic Alterations during Aging and Amyloid Pathology
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Preparation of Acute Hippocampal Slices from Rats and Transgenic Mice for the Study of Synaptic Alterations during Aging and Amyloid Pathology

Published on: March 23, 2011

Preparation of Oligomeric β-amyloid1-42 and Induction of Synaptic Plasticity Impairment on Hippocampal Slices
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Preparation of Oligomeric β-amyloid1-42 and Induction of Synaptic Plasticity Impairment on Hippocampal Slices

Published on: July 14, 2010

Related Experiment Videos

Last Updated: Jun 3, 2026

Evaluation of Synapse Density in Hippocampal Rodent Brain Slices
07:44

Evaluation of Synapse Density in Hippocampal Rodent Brain Slices

Published on: October 6, 2017

Preparation of Acute Hippocampal Slices from Rats and Transgenic Mice for the Study of Synaptic Alterations during Aging and Amyloid Pathology
14:57

Preparation of Acute Hippocampal Slices from Rats and Transgenic Mice for the Study of Synaptic Alterations during Aging and Amyloid Pathology

Published on: March 23, 2011

Preparation of Oligomeric β-amyloid1-42 and Induction of Synaptic Plasticity Impairment on Hippocampal Slices
04:41

Preparation of Oligomeric β-amyloid1-42 and Induction of Synaptic Plasticity Impairment on Hippocampal Slices

Published on: July 14, 2010

  • In mice, the beta-adducin switch is necessary for the cognitive benefits of environmental enrichment.
  • This highlights a direct link between cytoskeletal regulation and higher cognitive functions.

    • Outlook:

    • Further research into beta-adducin's precise molecular interactions could reveal new therapeutic targets.
    • Investigating beta-adducin's role in other brain regions may uncover broader implications for neural circuit function.
    • Understanding this mechanism could inform strategies for treating memory and learning disorders.