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

Statistical Significance01:50

Statistical Significance

21.9K
Once data is collected from both the experimental and the control groups, a statistical analysis is conducted to find out if there are meaningful differences between the two groups. A statistical analysis determines how likely any difference found is due to chance (and thus not meaningful). In psychology, group differences are considered meaningful, or significant, if the odds that these differences occurred by chance alone are 5 percent or less. Stated another way, if we repeated this...
21.9K
Probability in Statistics01:14

Probability in Statistics

23.4K
Probability is the likelihood of an event occurring. The term event is defined as a collection of results of a procedure. An event is a simple event when an outcome cannot be divided into simpler parts.
An example of a simple event is a coin toss. The result of a coin toss is either a head or a tail. Here, head and tail are two simple events. These two simple events make up the sample space. Further, the probability of an event occurring falls within the range of 0 to 1. The probability of an...
23.4K
Introduction to Statistics01:17

Introduction to Statistics

64.0K
The science of statistics involves collecting, analyzing, interpreting, and presenting data. The method of collecting, organizing, and summarizing data is called descriptive statistics. The systematic method of drawing inferences from the sample data and predicting unknown characteristics of a population is called inferential statistics.
In statistics, the collection of individuals or objects under study is called population. The idea of sampling is to select a portion of the larger population...
64.0K
Aging01:26

Aging

709
Aging is a complex biological phenomenon influenced by various processes that affect cellular and systemic functions. Several prominent theories attempt to explain its mechanisms, highlighting cellular limitations, oxidative damage, and hormonal changes as central factors in aging.
Cellular Clock Theory
The cellular clock theory posits that the human lifespan is closely tied to the finite capacity of cells to divide, a phenomenon governed by telomeres, which are protective caps at the ends of...
709
Statistical Analysis: Overview01:11

Statistical Analysis: Overview

16.6K
When we take repeated measurements on the same or replicated samples, we will observe inconsistencies in the magnitude. These inconsistencies are called errors. To categorize and characterize these results and their errors, the researcher can use statistical analysis to determine the quality of the measurements and/or suitability of the methods.
One of the most commonly used statistical quantifiers is the mean, which is the ratio between the sum of the numerical values of all results and the...
16.6K
Identifying Statistically Significant Differences: The F-Test01:14

Identifying Statistically Significant Differences: The F-Test

3.8K
The F-test is used to compare two sample variances to each other or compare the sample variance to the population variance. It is used to decide whether an indeterminate error can explain the difference in their values. The underlying assumptions that allow the use of the F-test include the data set or sets are normally distributed, and the data sets are independent of each other. The test statistic F is calculated by dividing one variance by another. In other words, the square of one standard...
3.8K

You might also read

Related Articles

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

Sort by
Same authorSame journal

Optimization of multisite reactions in complex compartmentalized media.

Physical review. E·2026
Same author

Probing and modeling cell-cell communication in 2D biomimetic tissues.

Soft matter·2026
Same author

Flips reveal the universal impact of memory on random explorations.

Nature communications·2025
Same author

Exact Propagators of One-Dimensional Self-Interacting Random Walks.

Physical review letters·2024
Same author

Long-term memory induced correction to Arrhenius law.

Nature communications·2024
Same author

Aging dynamics of d-dimensional locally activated random walks.

Physical review. E·2024
Same journal

Erratum: Low-dimensional model for adaptive networks of spiking neurons [Phys. Rev. E 111, 014422 (2025)].

Physical review. E·2026
Same journal

Disentangling the effects of many-body forces on depletion interactions.

Physical review. E·2026
Same journal

Charge transport and mode transition in dual-energy electron beam diodes.

Physical review. E·2026
Same journal

Origin of geometric cohesion in nonconvex granular materials: Interplay between interdigitation and rotational constraints enhancing frictional stability.

Physical review. E·2026
Same journal

Interaction of walkers with a standing Faraday wave.

Physical review. E·2026
See all related articles

Related Experiment Video

Updated: Feb 4, 2026

Measuring Statistical Learning Across Modalities and Domains in School-Aged Children Via an Online Platform and Neuroimaging Techniques
08:05

Measuring Statistical Learning Across Modalities and Domains in School-Aged Children Via an Online Platform and Neuroimaging Techniques

Published on: June 30, 2020

8.1K

Universal first-passage statistics in aging media.

N Levernier1, O Bénichou1, T Guérin2

  • 1Laboratoire de Physique Théorique de la Matière Condensée, CNRS, UPMC, 4 Place Jussieu, 75005 Paris, France.

Physical Review. E
|September 27, 2018
PubMed
Summary
This summary is machine-generated.

This study introduces a universal scaling law for the mean first-passage time (FPT) in aging media. This nonlinear scaling quantifies the impact of aging on reaction kinetics within confined spaces.

More Related Videos

Passaging Human Neural Stem Cells
10:16

Passaging Human Neural Stem Cells

Published on: August 22, 2007

15.3K
Preparation and Culture of Myogenic Precursor Cells/Primary Myoblasts from Skeletal Muscle of Adult and Aged Humans
10:10

Preparation and Culture of Myogenic Precursor Cells/Primary Myoblasts from Skeletal Muscle of Adult and Aged Humans

Published on: February 16, 2017

22.8K

Related Experiment Videos

Last Updated: Feb 4, 2026

Measuring Statistical Learning Across Modalities and Domains in School-Aged Children Via an Online Platform and Neuroimaging Techniques
08:05

Measuring Statistical Learning Across Modalities and Domains in School-Aged Children Via an Online Platform and Neuroimaging Techniques

Published on: June 30, 2020

8.1K
Passaging Human Neural Stem Cells
10:16

Passaging Human Neural Stem Cells

Published on: August 22, 2007

15.3K
Preparation and Culture of Myogenic Precursor Cells/Primary Myoblasts from Skeletal Muscle of Adult and Aged Humans
10:10

Preparation and Culture of Myogenic Precursor Cells/Primary Myoblasts from Skeletal Muscle of Adult and Aged Humans

Published on: February 16, 2017

22.8K

Area of Science:

  • Statistical Physics
  • Chemical Kinetics
  • Soft Matter Physics

Background:

  • First-passage time (FPT) quantifies diffusion-limited reaction kinetics.
  • Aging media, like glassy materials and cellular environments, pose challenges for FPT analysis.
  • Existing models often overlook the complexities of transport in aging systems.

Purpose of the Study:

  • To analyze first-passage time (FPT) in aging media using non-Markovian diffusion models.
  • To investigate universal scaling laws for FPT moments in confined aging systems.
  • To establish a method for quantifying the effect of aging on reaction kinetics.

Main Methods:

  • Modeling diffusion in aging media using general non-Markovian scale-invariant processes.
  • Analyzing all moments of the first-passage time (FPT).
  • Deriving universal scaling relationships between FPT moments and confining volume.

Main Results:

  • All moments of the FPT exhibit universal scaling with the confining volume.
  • Nontrivial exponents characterize these scaling relationships.
  • A nonlinear scaling of mean FPT with volume is identified as a hallmark of aging.

Conclusions:

  • The derived universal scaling laws provide a general framework for understanding reaction kinetics in aging media.
  • Nonlinear mean FPT scaling serves as a key indicator of aging effects.
  • This work offers a new tool to quantify aging's impact on molecular transport and reactions in confinement.