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

Functions of Connective Tissues01:17

Functions of Connective Tissues

15.0K
Connective tissues perform a broad range of functions in the body. Their primary function is to connect and link different tissues in the body and act as packaging material between tissues. The areolar tissue, a connective tissue prototype, commonly cements various tissue types in diverse body organs. In contrast, adipose tissue cushions internal organs while insulating the body from heat loss.
Hard connective tissues, such as bones and cartilage, provide structure and support to the body.
15.0K
What are Estimates?01:06

What are Estimates?

8.2K
It isn't easy to measure a parameter such as the mean height or the mean weight of a population. So, we draw samples from the population and calculate the mean height or mean weight of the individuals in the sample. This sample data acts as a representative measure of the population parameter. These sample statistics are known as estimates. 
The estimate for the mean of a sample is denoted by ͞x, whereas the mean of the population is designated as μ. Further, parameters such...
8.2K
Controlled-Potential Coulometry: Electrolytic Methods01:17

Controlled-Potential Coulometry: Electrolytic Methods

693
Controlled-potential coulometry, also known as potentiostatic coulometry, employs a three-electrode system in which the working electrode's potential is precisely regulated using a potentiostat. Platinum working electrodes are utilized for positive potentials, while mercury pool electrodes are favored for extremely negative potentials. The platinum counter electrode is separated from the analyte using a membrane or salt bridge to avoid interference in the analysis.
The chosen potential...
693
Dietary Connections01:23

Dietary Connections

61.6K
In biological systems, most metabolic pathways are interconnected. The cellular respiration processes that convert glucose to ATP—such as glycolysis, pyruvate oxidation, and the citric acid cycle—tie into those that break down other organic compounds. As a result, various foods—from apples to cheese to guacamole—end up as ATP. In addition to carbohydrates, food also contains proteins and lipids—such as cholesterol and fats. All of these organic compounds are used...
61.6K
One-Compartment Open Model: Wagner-Nelson and Loo Riegelman Method for ka Estimation01:24

One-Compartment Open Model: Wagner-Nelson and Loo Riegelman Method for ka Estimation

1.1K
This lesson introduces two critical methods in pharmacokinetics, the Wagner-Nelson and Loo-Riegelman methods, used for estimating the absorption rate constant (ka) for drugs administered via non-intravenous routes. The Wagner-Nelson method relates ka to the plasma concentration derived from the slope of a semilog percent unabsorbed time plot. However, it is limited to drugs with one-compartment kinetics and can be impacted by factors like gastrointestinal motility or enzymatic degradation.
On...
1.1K
Standard Electrode Potentials03:02

Standard Electrode Potentials

50.0K
On comparing the reactivity of silver and lead, it is observed that the two ionic species, Ag+ (aq) and Pb2+ (aq), show a difference in their redox reactivity towards copper: the silver ion undergoes spontaneous reduction, while the lead ion does not. This relative redox activity can be easily quantified in electrochemical cells by a property called cell potential. This property is commonly known as cell voltage in electrochemistry, and it is a measure of the energy which accompanies the charge...
50.0K

You might also read

Related Articles

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

Sort by
Same author

Global Mind Project data in the United States: A comparison with national statistics.

International journal of population data science·2026
Same author

Contribution of social determinants to symptoms of generalized anxiety disorder.

PLOS mental health·2026
Same author

Building scalable neuroimaging programs across diverse human environments.

Nature neuroscience·2026
Same author

Estimation of the nature and magnitude of mental distress in the population associated with ultra-processed food consumption.

Frontiers in nutrition·2025
Same author

Joint estimation of source dynamics and interactions from MEG data.

Network neuroscience (Cambridge, Mass.)·2025
Same author

EEG Data Quality in Large-Scale Field Studies in India and Tanzania.

eNeuro·2025

Related Experiment Video

Updated: Jan 27, 2026

Analyzing Neural Activity and Connectivity Using Intracranial EEG Data with SPM Software
06:50

Analyzing Neural Activity and Connectivity Using Intracranial EEG Data with SPM Software

Published on: October 30, 2018

9.9K

A novel method for estimating functional connectivity from EEG coherence potentials.

Narayan Puthanmadam Subramaniyam1,2, Tara C Thiagarajan3

  • 1Sapien Labs, 1201 Wilson Blvd, Arlington, 22209, VA, USA. narayan@sapienlabs.org.

Scientific Reports
|March 29, 2025
PubMed
Summary
This summary is machine-generated.

This study introduces coherence potentials (CPs) to analyze brain activity from electroencephalography (EEG) data. CP-based measures effectively differentiate cognitive tasks and show promise for detecting neurological disorders.

More Related Videos

Applications of EEG Neuroimaging Data: Event-related Potentials, Spectral Power, and Multiscale Entropy
11:15

Applications of EEG Neuroimaging Data: Event-related Potentials, Spectral Power, and Multiscale Entropy

Published on: June 27, 2013

34.4K
Functional Mapping with Simultaneous MEG and EEG
06:04

Functional Mapping with Simultaneous MEG and EEG

Published on: June 14, 2010

18.4K

Related Experiment Videos

Last Updated: Jan 27, 2026

Analyzing Neural Activity and Connectivity Using Intracranial EEG Data with SPM Software
06:50

Analyzing Neural Activity and Connectivity Using Intracranial EEG Data with SPM Software

Published on: October 30, 2018

9.9K
Applications of EEG Neuroimaging Data: Event-related Potentials, Spectral Power, and Multiscale Entropy
11:15

Applications of EEG Neuroimaging Data: Event-related Potentials, Spectral Power, and Multiscale Entropy

Published on: June 27, 2013

34.4K
Functional Mapping with Simultaneous MEG and EEG
06:04

Functional Mapping with Simultaneous MEG and EEG

Published on: June 14, 2010

18.4K

Area of Science:

  • Neuroscience
  • Biomedical Engineering
  • Signal Processing

Background:

  • Functional connectivity analysis is crucial for understanding brain function and neurological pathologies.
  • Electroencephalography (EEG) is a key tool for measuring brain activity.

Purpose of the Study:

  • To introduce a novel method for estimating functional connectivity using coherence potentials (CPs) from EEG data.
  • To evaluate the efficacy of CP-based connectivity measures in distinguishing between different cognitive tasks.

Main Methods:

  • Defined coherence potentials (CPs) as clusters of high-amplitude, similarly shaped EEG deflections.
  • Developed connectivity measures based on CP features like time intervals and co-occurrence across channels.
  • Compared CP-based measures against traditional spectral and mutual information methods using EEG data from 25 healthy subjects across resting, working memory, and pattern completion tasks.

Main Results:

  • CP-based connectivity measures significantly and robustly distinguished between the tested cognitive tasks at both group and individual levels.
  • The novel CP-based approach outperformed traditional connectivity measures in task differentiation.

Conclusions:

  • Coherence potential-based EEG connectivity measures offer a reliable method for differentiating cognitive states.
  • This approach holds potential for the early detection of neurological disorders impacting cognitive function, such as Alzheimer's disease.