Related Experiment Video
Updated: Jun 28, 2026
10:58
A Procedure for Implanting Organized Arrays of Microwires for Single-unit Recordings in Awake, Behaving Animals
Published on: February 14, 2014
Firing synchronization and temporal order in noisy neuronal networks
Xia Shi1, Qingyun Wang, Qishao Lu
1School of Science, Beijing University of Posts and Telecommunications, Beijing, 100876, China.
Cognitive Neurodynamics
|November 13, 2008
Summary
Noise enhances synchronization in neuronal networks. Bursting neurons synchronize more easily than spiking neurons, highlighting their importance in neural communication and information processing.
Area of Science:
- Computational neuroscience
- Neurodynamics
Background:
- Neuronal synchronization is crucial for information processing.
- The role of noise in neuronal network dynamics is complex and not fully understood.
Purpose of the Study:
- To investigate noise-induced synchronization in coupled spiking and bursting neurons.
- To explore the impact of noise on firing synchronization and temporal order in a map neuronal network.
- To determine the influence of subthreshold stimuli on neuronal synchronization.
Main Methods:
- Analysis of coupled spiking and bursting neuron models.
- Investigation of a noisy map neuronal network.
- Utilizing firing rate functions and order indices to quantify synchronization and temporal order.
Main Results:
- Bursting neurons exhibit enhanced firing synchronization compared to spiking neurons.
- Noise can induce synchronization and temporal order in neuronal networks.
- Subthreshold stimuli at resonance frequency significantly improve firing synchronization and temporal order in excitatory neurons.
Conclusions:
- Random perturbations (noise) play a significant role in neuronal firing activities and network temporal order.
- Bursting neuronal activity is critical for efficient information transfer.
- Noise-induced synchronization offers potential mechanisms for neural computation.
Related Concept Videos
01:28Neuronal Communication
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...
01:25Neural Circuits
Neural circuits and neuronal pools are two of the main structures found in the nervous system. Neural circuits are networks of neurons that work together to carry out a specific task or process. They consist of interconnected neurons and glial cells, which provide structural and metabolic support.
Neuronal pools are collections of nerve cells with similar functions and interact through chemical and electrical signals. These pools include both interneurons (the central neural circuit nodes that...
Neuronal pools are collections of nerve cells with similar functions and interact through chemical and electrical signals. These pools include both interneurons (the central neural circuit nodes that...
01:09Synaptic Signaling
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...
01:12Synaptic Signaling
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.
01:23Propagation of Action Potentials
The propagation of an action potential refers to the process by which a nerve impulse, or "action potential," travels along a neuron.
Neurons (nerve cells) have a resting membrane potential, with a slightly negative charge inside compared to outside. This is maintained by ion channels, such as sodium (Na+) and potassium (K+) channels, which control the flow of ions. When a stimulus, like a touch or a signal from another neuron, triggers the neuron, sodium channels open, allowing sodium ions to...
Neurons (nerve cells) have a resting membrane potential, with a slightly negative charge inside compared to outside. This is maintained by ion channels, such as sodium (Na+) and potassium (K+) channels, which control the flow of ions. When a stimulus, like a touch or a signal from another neuron, triggers the neuron, sodium channels open, allowing sodium ions to...