Related Experiment Video
Updated: May 2, 2026
11:29
Investigation of Synaptic Tagging/Capture and Cross-capture using Acute Hippocampal Slices from Rodents
Published on: September 4, 2015
15.6K
A molecular link tethering neuronal responses with the past
Luca Della Santina1, Rachel O L Wong
1Department of Biological Structure, University of Washington, Seattle, 98195, USA.
Cell
|October 2, 2012
Summary
Neuronal plasticity allows animals to adapt behavior to environmental changes. Chen et al. reveal that a neuron’s past activity shapes its structure and function via a novel molecular pathway.
Area of Science:
- Neuroscience
- Cell Biology
- Molecular Biology
Background:
- Neuronal responses must adapt to changing stimuli for behavioral modification in dynamic environments.
- Understanding the mechanisms of neuronal plasticity is crucial for explaining adaptive behaviors.
Discussion:
- This study uncovers a previously unrecognized molecular pathway linking cellular activity history to structural and functional neuronal changes.
- The findings suggest that the history of neuronal firing actively remodels the neuron itself.
Key Insights:
- Neuronal structure and function are coordinately altered by a cell's activity history.
- An unexpected molecular pathway mediates these activity-dependent neuronal modifications.
- This provides a new mechanism for how neurons adapt and contribute to behavioral flexibility.
Outlook:
- Further research can explore the specific molecules and downstream effects within this pathway.
- Investigating this pathway's role in various brain regions and behaviors could reveal broader implications for learning and memory.
- This discovery opens new avenues for therapeutic strategies targeting neurological disorders involving altered neuronal plasticity.
Related Concept Videos
01:12Synaptic Signaling
70.0K
Neurons communicate at synapses, or junctions, to excite or inhibit the activity of other neurons or target cells, such as muscles. Synapses may be chemical or electrical.
70.0K
01:35Long-term Potentiation
51.6K
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.
51.6K
02:47The Synapse
99.9K
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.
99.9K
01:09Synaptic Signaling
5.7K
Neurons communicate at synapses, or junctions, to excite or inhibit the activity of other neurons or target cells, such as muscles. Synapses may be chemical or electrical.
Most synapses are chemical, meaning an electrical impulse or action potential spurs the release of chemical messengers called neurotransmitters. The neuron sending the signal is called the presynaptic neuron, and the neuron receiving the signal is the postsynaptic neuron.
The presynaptic neuron fires an action potential that...
Most synapses are chemical, meaning an electrical impulse or action potential spurs the release of chemical messengers called neurotransmitters. The neuron sending the signal is called the presynaptic neuron, and the neuron receiving the signal is the postsynaptic neuron.
The presynaptic neuron fires an action potential that...
5.7K
01:25Long-term Potentiation
2.7K
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...
Hebbian LTP
LTP can occur when...
2.7K
01:28Neuronal Communication
5.5K
Neurons, the fundamental units of the brain and nervous system, communicate through complex electrochemical signals that underpin all cognitive and bodily functions. This communication is primarily facilitated by a process involving the generation and propagation of an action potential along the axon of the neuron. When the internal electrical charge of a neuron surpasses a certain threshold, an action potential is triggered. This rapid change in voltage travels swiftly along the axon to the...
5.5K