Stomatogastric Ganglion
Stomatogastric Ganglion - Related Videos
09:36
Optical Imaging of Neurons in the Crab Stomatogastric Ganglion with Voltage-sensitive Dyes
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Cited by 4 •
2011
Here we present the methodology for fast and high resolution fluorescent voltage-sensitive dye imaging of detailed activity of neurons in the crab stomatogastric ganglion.
26:22
Homarus Americanus Stomatogastric Nervous System Dissection
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Cited by 3 •
2009
We describe the fine dissection of the stomatogastric nervous system from the stomach of the American lobster (Homarus americanus).
18:37
Cancer Borealis Stomatogastric Nervous System Dissection
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Cited by 103 •
2009
The stomatogastric nervous system (STNS) of the Jonah crab (C. borealis) can be used for electrophysiology, immunohistochemistry, and cell culture studies. The STNS extraction is done in two parts: the gross and fine dissection.
04:41
Isolating Vestibular Ganglion Neurons From a Mouse Inner Ear
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2025
This video showcases a method for isolating vestibular neurons from a mouse pup's inner ear. It meticulously outlines the steps involved in dissecting the inner ear, harvesting the vestibular ganglion, and subsequently dissociating the ganglion into single cells. These cells are then cultured on glass-bottom dishes to establish a vestibular neuron culture.
05:26
Transfection of Mouse Retinal Ganglion Cells by in vivo Electroporation
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Cited by 5 •
2011
We demonstrate an in vivo electroporation protocol for transfecting single or small clusters of retinal ganglion cells (RGCs) and other retinal cell types in postnatal mice over a wide range of ages. The ability to label and genetically manipulate postnatal RGCs in vivo is a powerful tool for developmental studies.
FAQs
Patterned activity emerges from interactions among identified neurons rather than from a single controlling cell. Electrical synapses provide direct coupling, while chemical synapses transmit regulated signals between neurons. Together, these connections organize the timing of motor activity, allowing the circuit to produce coordinated feeding and digestive movements that can be analyzed at the network level.
Neuromodulators change how the circuit operates by adjusting the timing and strength of its patterned motor activity. Sensory signals add information about current physiological conditions, so the ganglion can alter output rather than generate an entirely fixed rhythm. This combination lets researchers study how internal state and incoming information reshape neural control.
The circuit’s compact organization and identifiable neurons make it possible to connect particular cellular interactions with changes in overall motor output. Researchers can examine how rhythmic activity is generated, modified, and maintained when synaptic influences or physiological conditions change. This supports analysis of network resilience, meaning the ability of a neural circuit to preserve useful function.
Synaptic plasticity can be investigated by tracking whether communication between neurons changes as circuit conditions or inputs vary. In this setting, plasticity is connected to function: alterations in synaptic interactions can be related to the timing and strength of feeding-related motor patterns. The ganglion therefore links cellular change with measurable circuit output.
Researchers relate its identifiable neurons, synaptic interactions, and motor outputs to one another. They can ask how a particular connection or modulatory influence affects rhythmic activity, then interpret the resulting change in feeding or digestive control. This organization makes the system useful for experiments that connect cellular mechanisms with circuit-level function.
Studies of the Stomatogastric Ganglion address more than crustacean digestion. Its rhythmic networks provide a focused context for investigating nervous-system function, motor control, synaptic plasticity, neuromodulation, and biological rhythm generation. Findings are especially informative when researchers want to understand how interacting neurons produce stable yet adaptable patterns of behavior.
The system illustrates how neural circuits coordinate feeding and digestive movements through distributed interactions among neurons. Its sensory inputs, chemical and electrical synapses, and modulatory influences can be considered together, helping explain how physiological conditions affect patterned behavior. This makes it a useful biological model for relating cellular activity to circuit and organismal function.