Neuronal Activity Recording
Neuronal Activity Recording - Related Videos
05:45
Recording Electrophysiological Activity of the Neuronal Network in a Neuron-Astrocyte Co-culture
0 Views •
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.
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.
07:45
Recording Electrical Activity from Identified Neurons in the Intact Brain of Transgenic Fish
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Cited by 4 •
2013
In this video, we will demonstrate how to record electrical activity from identified single neurons in a whole brain preparation, which preserves complex neural circuits. We use transgenic fish in which gonadotropin-releasing hormone (GnRH) neurons are genetically tagged with a fluorescent protein for identification in the intact brain preparation.
03:10
Optical Recording of Neuronal Activity in Brain Slices Stained with a Voltage-Sensitive Dye
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2025
This video demonstrates a procedure for observing changes in neuronal activity in a brain slice stained with a voltage-sensitive dye. The dye reflects changes in the neuron's membrane potential by altering its fluorescence intensity. Through the application of electrical stimuli and advanced imaging techniques, this process enables visual tracking of real-time changes in neuronal membrane potential based on VSD fluorescence.
03:26
Electroencephalography-Based Recording Technique to Record the Epileptiform Activity
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2025
This video describes the technique for recording the epileptiform activity of rhinal cortex-hippocampus organotypic slices ex vivo using electrophysiology or EEG set-up. This helps to study the dynamics and progression of epileptogenesis and screen potential therapeutic targets to treat epilepsy.
FAQs
Electrodes provide an electrical readout by detecting voltage changes associated with action potentials, whereas calcium or voltage-sensitive indicators provide an optical readout through changes in fluorescence. This distinction affects what researchers directly quantify: electrical events with electrodes or indicator-linked fluorescence with imaging-based approaches. Selecting between them helps align the measurement with the biological scale and question, from cellular signaling to circuit activity.
Recording scale determines which level of organization can be examined. Measurements from a single neuron can be related to that cell’s activity, while population recordings can reveal broader neural dynamics. Recording across a whole brain region extends the analysis to larger patterns. Comparing these levels helps connect neuronal communication with circuit function without treating one cell’s signal as the entire system.
They report activity through fluorescence changes linked to calcium or voltage, giving researchers a biochemical or optical signal rather than an electrode-based voltage trace. Because the two indicator types represent different signal categories, choosing between them can shape how activity is interpreted. This is useful when investigating cellular or circuit dynamics through indicator-based measurements.
Researchers should match the recording method to the signal of interest, the scale of the target, and the biological question. Electrode-based measurements focus on voltage changes associated with action potentials, while calcium or voltage-sensitive indicators provide fluorescence-based readouts. The target may be a single neuron, a population, or a whole brain region. These choices determine how results can be related to circuit or behavioral outcomes.
Researchers compare recorded neural dynamics with physiological or behavioral outcomes to examine how activity relates to sensory processing, movement, or learning. The approach is valuable because it links signals measured at cellular, population, or regional scales to observable biological functions. This connection allows experiments to ask whether changes in neural activity accompany differences in behavior or other physiological states.
Recordings provide quantitative activity data for examining neurological disease and assessing the effects of drugs or genetic manipulations. Researchers can relate measured neural signals to physiological or behavioral outcomes under different experimental conditions. This makes the method useful for studying how altered neural dynamics correspond to disease-related changes or responses to experimental interventions in biological systems.