Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Concept Videos

Finding Electric Potential From Electric Field01:13

Finding Electric Potential From Electric Field

5.4K
For a system of charges, it is easy to calculate the system's potential because potential is a scalar quantity. However, in some instances where calculating the electric field is more straightforward than finding the potential, the electric field is used to calculate the system's potential. For a positive charge, the electric field is radially outward, and the potential is positive at any finite distance from the positive charge. In such an electric field, the motion away from the...
5.4K
Determining Electric Field From Electric Potential01:12

Determining Electric Field From Electric Potential

4.9K
The electric field and electric potential are related to each other. If the electric field at various points in the region of interest is known, it can be used to calculate the electric potential difference between any two points. Similarly, if the electric potential is known for various points, then it is possible to calculate the electric field.
In general, regardless of whether the electric field is uniform, it points in the direction of decreasing potential because the force on a positive...
4.9K
Electric Potential Energy in a Uniform Electric Field01:09

Electric Potential Energy in a Uniform Electric Field

6.3K
When an electric field accelerates a free positive charge, it acquires kinetic energy. This process is analogous to an object being accelerated by a gravitational field as if the charge were going down an electrical hill where its electric potential energy is converted into kinetic energy, although, of course, the sources of the forces are very different. The electrostatic or Coulomb force acting on the positive test charge is conservative, which means that the work done on a test charge is...
6.3K
Clinical Trials01:16

Clinical Trials

10.2K
Clinical trials are prospective experimental studies conducted on humans to determine the safety and efficacy of treatments, drugs, diet methods, and medical devices. Using statistics in clinical trials enables researchers to derive reasonable and accurate conclusions from the collected data, allowing them to make wise decisions in uncertain situations. In medical research, statistical methods are crucial for preventing errors and bias.
There are four phases in a clinical trial. A phase one...
10.2K
Clinical Trials: Overview01:11

Clinical Trials: Overview

4.6K
Clinical development focuses on how the drug will interact with the human body and encompasses four key phases of clinical trials, each serving a specific purpose in assessing the safety and effectiveness of new drugs. These phases overlap and build upon one another. Phase I involves a small group of healthy volunteers (typically 20-80 individuals) or, in cases where significant toxicity is expected, patients with the targeted disease, such as cancer or AIDS. The volunteers are tested for...
4.6K
Trial and Error and Algorithm01:12

Trial and Error and Algorithm

398
A problem-solving strategy is a plan of action used to find a solution. Different strategies have distinct action plans. Trial and error involves trying different solutions until one works. For instance, to fix a broken printer, you might check ink levels, ensure the paper tray isn't jammed, and verify the printer's connection to your laptop. This method can be time-consuming but is commonly used. Thomas Edison, for example, used trial and error to find a suitable filament for the light...
398

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

Chemotherapy-responsive primary cardiac lymphoma presenting as pericarditis and acute heart failure.

Cardio-oncology (London, England)·2026
Same author

A Blend Strategy to Achieve High Gain and Long-Term Stability in Complementary Inverters via Vertical Organic Electrochemical Transistors.

ACS applied materials & interfaces·2026
Same author

Does Resistance Indicate Malposition? A Standardized Comparison of Pedicle Screw Placement.

Bioengineering (Basel, Switzerland)·2025
Same author

Porcine tendons as surrogates for human semitendinosus tendons - A biomechanical study.

Clinical biomechanics (Bristol, Avon)·2025
Same author

Gamma-band synchronization between neurons in the visual cortex is causal for effective information processing and behavior.

Nature communications·2025
Same author

Positional isomers of Indolyl-benzodiazepines display dissimilar binding and recruitment of BET transcriptional regulators to targeted genomic loci.

Bioorganic chemistry·2025

Related Experiment Video

Updated: Jan 20, 2026

Stimulus-specific Cortical Visual Evoked Potential Morphological Patterns
09:42

Stimulus-specific Cortical Visual Evoked Potential Morphological Patterns

Published on: May 12, 2019

6.4K

Visual epidural field potentials possess high functional specificity in single trials.

Benjamin Fischer1, Andreas Schander2, Andreas K Kreiter1

  • 1Brain Research Institute, Center for Cognitive Sciences, University of Bremen, Bremen, Germany.

Journal of Neurophysiology
|August 15, 2019
PubMed
Summary

Epidural field potentials (EFPs) offer a minimally invasive way to record brain activity. Despite variability, EFP recordings provide highly specific spatial information, enabling accurate decoding of neural signals even from single trials.

Keywords:
epidural field potentialmonkeymultielectrode recordingprimary visual cortexsingle-trial classification

More Related Videos

Visualization and Quantification of Mesenchymal Cell Adipogenic Differentiation Potential with a Lineage Specific Marker
13:26

Visualization and Quantification of Mesenchymal Cell Adipogenic Differentiation Potential with a Lineage Specific Marker

Published on: March 31, 2018

10.3K
Visualizing Field Data Collection Procedures of Exposure and Biomarker Assessments for the Household Air Pollution Intervention Network Trial in India
09:33

Visualizing Field Data Collection Procedures of Exposure and Biomarker Assessments for the Household Air Pollution Intervention Network Trial in India

Published on: December 23, 2022

2.7K

Related Experiment Videos

Last Updated: Jan 20, 2026

Stimulus-specific Cortical Visual Evoked Potential Morphological Patterns
09:42

Stimulus-specific Cortical Visual Evoked Potential Morphological Patterns

Published on: May 12, 2019

6.4K
Visualization and Quantification of Mesenchymal Cell Adipogenic Differentiation Potential with a Lineage Specific Marker
13:26

Visualization and Quantification of Mesenchymal Cell Adipogenic Differentiation Potential with a Lineage Specific Marker

Published on: March 31, 2018

10.3K
Visualizing Field Data Collection Procedures of Exposure and Biomarker Assessments for the Household Air Pollution Intervention Network Trial in India
09:33

Visualizing Field Data Collection Procedures of Exposure and Biomarker Assessments for the Household Air Pollution Intervention Network Trial in India

Published on: December 23, 2022

2.7K

Area of Science:

  • Neuroscience
  • Computational Neuroscience
  • Biophysics

Background:

  • Epidural field potentials (EFPs) offer a minimally invasive method for recording neuronal activity across large cortical areas.
  • Challenges include higher trial-by-trial variability and reduced signal-to-noise ratio due to the dura mater, raising questions about spatial selectivity and temporal resolution.

Purpose of the Study:

  • To investigate the spatial selectivity and decoding capabilities of EFPs using short signal traces.
  • To determine if single EFP trials contain sufficient information for rapid neural decoding.

Main Methods:

  • Utilized a high-density epidural multielectrode array in macaque monkeys to record EFPs.
  • Presented visual stimuli at various locations in the primary visual cortex.
  • Employed machine learning algorithms and receiver operating characteristics (ROC) for data analysis and classification.

Main Results:

  • Achieved close-to-perfect classification rates for 27 stimulus conditions, demonstrating high spatial decoding accuracy.
  • Showed that single EFP trials, even with minimal data, could be classified with high performance, sometimes reaching 100% accuracy.
  • Highlighted the value of EFPs for large-scale network analysis despite inherent signal variability.

Conclusions:

  • EFPs provide a valuable and specific source of information for neuroscience research.
  • Minimally invasive EFP recordings are highly suitable for decoding neural information on short timescales.
  • EFPs offer new perspectives for large-scale network recordings in both clinical and basic science settings.