Striatal Brain Slices
Striatal Brain Slices - Related Videos
08:49
Presynaptic Dopamine Dynamics in Striatal Brain Slices with Fast-scan Cyclic Voltammetry
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Cited by 18 •
2012
Using fast-scan cyclic voltammetry to measure electrically evoked presynaptic dopamine dynamics in striatal brain slices.
02:14
Electrophysiological Recordings of Reprogrammed Neurons in a Mouse Brain Slice
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2025
This video demonstrates a protocol to evaluate the maturation and reprogramming of glial cells into neurons in a transfected mouse striatum slice. The experiment measures resting membrane potential and response to current injections using neuron-specific fluorescent markers and electrophysiological techniques. Voltage spikes during these measurements indicate successful neuronal maturation and reprogramming.
11:13
Ex Vivo Optogenetic Dissection of Fear Circuits in Brain Slices
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Cited by 8 •
2016
Optogenetic approaches are widely used to manipulate neural activity and assess the consequences for brain function. Here, a technique is outlined that upon in vivo expression of the optical activator Channelrhodopsin, allows for ex vivo analysis of synaptic properties of specific long range and local neural connections in fear-related circuits.
02:32
Generation of Tilted Amygdala Slices from a Mouse Brain
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2025
The video demonstrates the generation of tilted amygdala slices from a mouse brain. The brain is positioned at an angle on the vibratome specimen stage to obtain slices containing the amygdala and axons from the medial prefrontal cortex that form synaptic connections with the amygdala. The brain slices are maintained at the physiological temperature to preserve the tissue for further experiments.
18:48
Organotypic Slice Culture of E18 Rat Brains
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Cited by 15 •
2007
Organotypic slice cultures from embryonic rodent brains are widely used to study brain development. While there are often advantages to an in-vivo system, ...
FAQs
Maintaining local neuronal circuits and synaptic connections keeps interactions among striatal cells available for measurement. This lets researchers examine how signals are transmitted and modified within a controlled tissue preparation rather than studying isolated cellular responses alone. The approach is particularly useful for linking cellular activity with circuit processes related to movement, learning, motivation, and reward.
Acute and organotypic slices provide alternative preparation contexts for studying striatal tissue. Both can preserve relevant local circuitry, while organotypic preparations are maintained under culture conditions and acute slices are studied as prepared tissue. This distinction allows experiments to select a maintenance approach suited to direct measurements or continued tissue-based investigation.
These methods provide complementary views of striatal function. Electrophysiology measures neuronal electrical activity, calcium imaging tracks calcium-related activity signals, and pharmacology enables controlled manipulation of biological processes. Using them with circuit analysis helps connect experimental interventions to changes in neuronal responses, synaptic transmission, plasticity, and local network behavior.
After preparation from brain tissue, slices are maintained either in oxygenated artificial cerebrospinal fluid or under culture conditions, depending on the experimental format. These environments support continued study of local neuronal circuits and synaptic connections. Researchers can then apply electrophysiology, calcium imaging, pharmacology, or circuit analysis directly to the preserved striatal tissue.
Researchers choose striatal slices when they need direct access to striatal neurons and synaptic connections under controlled conditions. The preparation supports targeted manipulation and measurement, making it useful for examining synaptic transmission, plasticity, and circuit organization. It also provides a focused experimental model for questions involving movement, learning, motivation, and reward.
Because the preparation retains striatal tissue, researchers can directly investigate medium spiny neurons alongside other local circuit elements. Electrophysiology and calcium imaging can measure their activity, while pharmacology can test how experimental manipulations affect responses. These observations contribute to circuit-level analyses of striatal function and mechanisms relevant to neurological and psychiatric disorders.