Slice Electrophysiology

Slice electrophysiology is a neuroscience technique that records electrical activity from neurons and neural circuits in thin, living sections of brain or spinal cord tissue. Researchers place the slice in oxygenated artificial cerebrospinal fluid and use electrodes, commonly in whole-cell patch-clamp or extracellular configurations, to measure membrane potentials, synaptic currents, and circuit responses while applying controlled stimuli or pharmacological agents. The method preserves local cellular connections better than isolated-cell preparations, allowing investigators to examine synaptic transmission, intrinsic excitability, plasticity, and network function. It supports studies of learning, sensory processing, neurodevelopment, disease mechanisms, and the effects of potential neurological therapies.

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JoVE EoE - Neurophysiology

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.

Murine Short Axis Ventricular Heart Slices for Electrophysiological Studies

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Cited by 3 •

2017

Here, we describe the preparation of viable ventricular slices from adult mice and their use for sharp electrode action potential recordings. These multicellular preparations provide a preserved in vivo like tissue structure, which makes them a valuable model for electrophysiological and pharmacological studies in vitro.

Establishing a Whole-Cell Voltage-Clamp Configuration for Electrophysiological Recordings in Brain Slices

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2025

This video demonstrates positioning a fine-pointed pipette near brain slices, forming a seal with a neuronal cell. Suction breaks the cell membrane, thereby creating a whole-cell patch clamp that enables current measurements for electrophysiology experiments.

Research

JoVE Journal - Neuroscience
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Dual Electrophysiological Recordings of Synaptically-evoked Astroglial and Neuronal Responses in Acute Hippocampal Slices

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Cited by 19 •

2012

The preparation of acute brain slices from isolated hippocampi, as well as the simultaneous electrophysiological recordings of astrocytes and neurons in stratum radiatum during stimulation of schaffer collaterals is described. The pharmacological isolation of astroglial potassium and glutamate transporter currents is demonstrated.

Simultaneous Optical and Electrophysiological Monitoring of Neuronal Cells in Brain Slices

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2025

This video outlines a method for simultaneously imaging and recording electrical activity from transgenic brain slices that contain neuron-specific fluorescent proteins. The procedure involves maintaining the brain slice in a perfusion chamber with aerated artificial cerebrospinal fluid, using a light source to excite fluorescent-labeled cells, and recording the electrical signals with a multichannel probe and patch clamp.

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