Neuronal Recording
Neuronal Recording - Related Videos
05:45
Recording Electrophysiological Activity of the Neuronal Network in a Neuron-Astrocyte Co-culture
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2025
This video demonstrates establishing a neuron-astrocyte co-culture for recording neuronal network activity. Upon establishing the co-culture of motor neurons and astrocytes on a multi-electrode array (MEA) plate, the synchronous rhythmic electrical activity of the neuronal network was recorded extracellularly using the MEA.
02:36
In Vivo Recording of Intracellular Signals from a Single Neuron
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2025
This video demonstrates the recording of electrical signals from single brain neurons using a fine-tipped glass micropipette and a specialized setup. The micropipette is carefully inserted into the rat's brain and is buzzed to penetrate the neuron to record internal neuronal electrical signals.
04:25
Simultaneous Eye Tracking and Single-Neuron Recording to Identify Target-Selective Neurons
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2025
The video demonstrates an assay to identify target-selective neurons via simultaneous eye-tracking and single-neuron recordings. A human participant is tasked with identifying a target object among an array of objects in a display, and the eye movement is tracked. Simultaneously, single neurons' firing rate is recorded via electrodes implanted in the brain. The data from both recordings are correlated to assess the presence of target-selective neurons.
03:49
Recording Cortical and Subcortical Neuronal Activity Using Electrode Systems
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2025
This video demonstrates the process of recording cortical and subcortical neuronal activity using electroencephalography (EEG) and deep brain stimulation (DBS) electrodes during an attention-based visual stimulation test.
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.
FAQs
The electrode’s location determines which electrical events become visible. An electrode inside a cell can track changes in membrane voltage, whereas an electrode placed near cells can detect activity from individual neurons or neural networks without occupying the cell interior. This distinction affects the cellular or circuit scale of the measurement and helps researchers match recording conditions to their experimental question.
Amplifiers convert electrical signals detected by electrodes into traces that researchers can examine and analyze. This step makes changes in membrane voltage, action potentials, and synaptic activity available as interpretable recording outputs rather than merely localized electrical events. The resulting traces support comparisons among cells, brain regions, or experimental conditions, allowing investigators to relate signal patterns to neural processing.
Neuronal recording can reveal different forms of electrical behavior, including rapid action potentials and synaptic activity associated with communication between neurons. Examining these signals separately helps researchers connect a cell’s electrical output with incoming or network-related activity. That distinction is important when studying how neural circuits process information, respond to stimulation, or change during neurological disorders.
A basic workflow places electrodes inside or near the cells of interest, detects electrical changes, and uses amplifiers to convert them into analyzable traces. Researchers then compare the recorded activity across selected cells, brain regions, or experimental conditions. This sequence links the measured electrical signals to questions about cellular signaling, circuit responses, and nervous-system function.
Researchers apply neuronal recording when they need to connect electrical activity with sensory coding, motor control, or network dynamics. The approach can also support investigations of neurological disorders by revealing how activity differs across cells or regions. Because recordings can be compared during stimulation, drug exposure, or disease-related conditions, they help evaluate how neural circuits respond to changing circumstances.
Comparing recordings across cells, brain regions, or experimental conditions can show whether neural activity changes with location, treatment, stimulation, or disease. These comparisons do not simply describe isolated signals; they help connect cellular electrical events with broader circuit behavior and behavior-related questions. In neuroscience, that relationship supports interpretation of how the nervous system communicates and processes information.