Spontaneous Network Bursts
Spontaneous Network Bursts - Related Videos
02:21
Spontaneity
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2020
A spontaneous process is one that occurs naturally under certain conditions. A nonspontaneous process, on the other hand, will not take place unless it is “driven” by the continual input of energy from an external source. Processes have a natural tendency to occur in one direction under a given set of conditions. Water will naturally flow downhill (spontaneous process), but uphill flow (nonspontaneous process) requires outside intervention such as the use of a pump. Iron exposed to the earth’s...
07:58
Acute Mouse Brain Slicing to Investigate Spontaneous Hippocampal Network Activity
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Cited by 3 •
2020
This protocol describes the preparation of horizontal hippocampal-entorhinal cortex (HEC) slices from mice exhibiting spontaneous sharp-wave ripple activity. Slices are incubated in a simplified interface holding chamber and recordings are performed under submerged conditions with fast-flowing artificial cerebrospinal fluid to promote tissue oxygenation and the spontaneous emergence of network-level activity.
07:49
Spontaneous Formation and Rearrangement of Artificial Lipid Nanotube Networks as a Bottom-Up Model for Endoplasmic Reticulum
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Cited by 11 •
2019
Solid-supported, protein-free, double phospholipid bilayer membranes (DLBM) can be transformed into complex and dynamic lipid nanotube networks and can serve as 2D bottom-up models of the endoplasmic reticulum.
09:27
How to Culture, Record and Stimulate Neuronal Networks on Micro-electrode Arrays (MEAs)
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Cited by 86 •
2010
This protocol provides the necessary information for setting up, caring for, recording from and electrically stimulating cultures on MEAs. In vitro networks provide a means for asking physiologically relevant questions at the network and cellular levels leading to a better understanding of brain function and dysfunction.
16:33
Functional Calcium Imaging in Developing Cortical Networks
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Cited by 32 •
2011
Spontaneous activity of developing neuronal networks can be measured using AM-ester forms of calcium-sensitive indicator dyes. Changes in intracellular calcium, indicating neuronal activation, are detected as transient changes in indicator fluorescence with one- or two-photon imaging. This protocol can be adapted for a range of developmentally-dependent neuronal networks in vitro.
FAQs
Excitatory synaptic connections allow activity initiated by one group of neurons to recruit neighboring cells. As recruitment spreads, more neurons participate until the network produces coordinated population activity. This propagation makes burst events useful for examining how developing circuits become functionally connected, rather than merely recording isolated action potentials from individual neurons.
The brief recovery period separates one episode from the next and provides information about the network’s activity pattern over time. Examining recurring bursts alongside recovery helps researchers follow developmental timing and changes in synaptic function. In developing cultures or tissues, these temporal features can indicate how circuit organization changes as neural networks mature.
These events arise without an experimentally applied stimulus, so they reveal activity generated by the developing network itself. That distinction allows researchers to examine intrinsic circuit organization and communication through existing excitatory connections. By contrast, externally evoked activity tests how a network responds to a deliberate input, rather than how it organizes recurring activity independently.
Researchers can monitor these events with microelectrode arrays, calcium imaging, or electrophysiology. Each approach records population activity in a different form, allowing investigators to identify coordinated episodes and compare their occurrence across cultures or tissues. The resulting measurements support analysis of connectivity, synaptic function, and developmental timing in emerging neural circuits.
Patterns of recurring synchronized activity provide measurable evidence about how neural circuits are organized and maturing. Researchers use the events to track changes in connectivity, synaptic function, and developmental timing rather than relying only on anatomical observations. This makes burst analysis valuable for comparing neural cultures, tissues, and engineered systems across developmental stages.
Developmental biology studies use these events in neural cultures, tissues, and neural organoids to examine emerging circuit function. The same measurements support research on brain development and neurodevelopmental disorders. Investigators can also assess how drugs or environmental conditions affect developing networks by comparing changes in their coordinated activity and developmental patterns.