Ventral Root Electrode
Ventral Root Electrode - Related Videos
09:10
The Preparation of Oblique Spinal Cord Slices for Ventral Root Stimulation
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Cited by 1 •
2016
We show how to prepare oblique slices of the spinal cord in young mice. This preparation allows for the stimulation of the ventral roots.
09:19
In ovo Expression of MicroRNA in Ventral Chick Midbrain
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Cited by 5 •
2013
Ectopic expression is one technique to elucidate the microRNAs role in brain development. However, targeting specific areas using in ovo electroporation is challenging. Here, we show an efficient way to selectively electroporate ventral and dorsal midbrain regions.
05:13
Co-culturing of Ventral Hippocampal and Nucleus Accumbens
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2025
This video demonstrates the process of preparing ventral hippocampal and nucleus accumbens tissues from mouse brains for co-culture. Neurons extend projections to form synaptic connections between the ventral hippocampal and nucleus accumbens tissues. This method allows studying neuronal interactions between these two brain regions, offering insights into cognition, behavior, and neurological disorders.
06:47
Retrograde Loading of Nerves, Tracts, and Spinal Roots with Fluorescent Dyes
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Cited by 5 •
2012
We describe a simple and low cost technique for introducing high concentration of fluorescent and calcium-sensitive dyes into neurons or any neuronal tract using a polyethylene suction pipette.
02:59
Auditory Nerve Root Stimulation and Postsynaptic Current Recordings in a Mouse Brain Wedge Slice
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2025
This video demonstrates a protocol for stimulating the auditory nerve root and recording postsynaptic currents in medial olivocochlear neurons in mouse brain wedge slices.
FAQs
The ventral root’s pathway provides relatively targeted access to motor axons because it carries signals directed from the spinal cord toward muscles. This focus helps distinguish motor-related activity from sensory traffic, making the interface useful when the experimental question concerns movement output rather than sensory input.
The same interface can support two complementary operations. Recording captures electrical activity associated with motor axons, whereas controlled stimulation delivers electrical input to influence those signals. Using either operation, or combining them, allows researchers to examine existing motor activity and test how targeted input changes neural control of movement.
Signals at the ventral root provide a neural-level view of motor output before it produces muscle movement. That access helps investigators connect spinal-cord activity with downstream muscle control and examine how motor-system signals relate to movement. It therefore supports analysis of spinal circuits in addition to observation of behavioral or muscular outcomes.
A conceptual workflow begins by placing the electrode on or around the spinal nerve’s ventral root, then selecting recording or controlled stimulation according to the study goal. Recorded activity can be examined as motor-related signaling, while stimulation can be used to influence those signals. The resulting data support analysis of motor-system function or spinal-circuit operation.
This interface is especially relevant when a study needs access to signals associated with movement while largely avoiding sensory fibers. Researchers can use it to investigate motor-system function, examine spinal circuits, or evaluate how neural activity relates to muscle control. Its targeted location makes it suited to experiments focused on the motor pathway.
Ventral root electrodes provide a foundation for interfaces that monitor or influence motor signals. In neuroprosthetic research, those signals can inform studies of neural control intended to assist movement. In targeted neuromodulation research, controlled stimulation offers a way to investigate influencing motor pathways. Together, these uses connect basic spinal-circuit studies with movement-restoration goals.