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

Fatigue01:21

Fatigue

874
Fatigue occurs when materials rupture under repeated or fluctuating loads, even at stress levels far below their static breaking strength. It typically results in brittle failure, even for ductile materials. It is a critical consideration in designing machines and structural components subjected to repetitive or varying loads. The nature of these loadings can range from fluctuating loads like unbalanced pump impellers causing vibrations to repeatedly bending a thin steel rod wire back and forth...
874
Stress and Mental Health01:30

Stress and Mental Health

969
Chronic stress profoundly affects mental health, significantly influencing mood, behavior, and overall quality of life. Research closely links chronic stress with mental health conditions such as depression, anxiety, and substance use disorders. Ongoing exposure to stress can lead to physiological and psychological changes, initiating a cycle of emotional distress and maladaptive coping mechanisms.
Individuals with depression often experience challenges in both their personal and professional...
969
Predicting Molecular Geometry02:27

Predicting Molecular Geometry

46.2K
VSEPR Theory for Determination of Electron Pair Geometries
46.2K
Muscle Recovery and Fatigue01:24

Muscle Recovery and Fatigue

4.3K
Muscle fatigue refers to the decline in a muscle's ability to maintain the force of contraction after prolonged activity. It primarily stems from changes within muscle fibers. Even before experiencing muscle fatigue, one may feel tired and have the urge to stop the activity. This response, known as central fatigue, occurs due to changes in the central nervous system, namely the brain and spinal cord. While there is no single mechanism that induces fatigue, it may serve as a protective...
4.3K
Fatigue Strength of Concrete01:22

Fatigue Strength of Concrete

599
Fatigue, in the context of materials science and engineering, refers to the weakening or failure of a material caused by repeatedly applied loads, even if these loads are below the strength limit of the material. Fatigue strength in concrete is a critical property that influences its durability and longevity. Concrete can fail in two ways due to fatigue. Static fatigue or creep rupture occurs under a constant load or one that increases slowly. The other failure mode is due to cyclical or...
599
Higher Mental Functions of the Brain: Language01:10

Higher Mental Functions of the Brain: Language

3.9K
Language is a system of communication that allows the expression of thoughts, ideas, and feelings. The brain processes language in both hemispheres.
Language formation and comprehension take place in the dominant hemisphere. The dominant hemisphere is responsible for understanding the meaning of spoken, written, or sign language, as well as the ability to communicate. For most people, the left hemisphere is the dominant one. The right hemisphere, then, gives tone and emotional context to the...
3.9K

You might also read

Related Articles

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

Sort by
Same author

Precipitation-Based Encapsulation of Fibrinogen in Calcium Carbonate for Non-Compressible Hemorrhage Control.

Pharmaceuticals (Basel, Switzerland)·2026
Same author

Contraction of blood clots occurs during hemostasis and hemorrhagic shock to promote closure of lacerations.

Biomaterials·2026
Same author

Tau-PET imaging and blood biomarkers reveal early tauopathy in special operations forces exposed to repetitive blast.

Brain communications·2026
Same author

One is not like the other: Examining the neural response to repetitive low-level blast exposure in experienced military personnel.

Neuroimage. Reports·2026
Same author

Local delivery of tranexamic acid for hemorrhage control in trauma: a narrative review.

Frontiers in drug delivery·2026
Same author

Integrated Blood Biomarker and Neurobehavioural Signatures of Latent Neuroinjury in Experienced Military Breachers Exposed to Repetitive Low-Intensity Blast.

International journal of molecular sciences·2026
Same journal

Identification of systemic barriers, facilitators and adaptations to effective record-keeping: a South African primary healthcare clinic case study.

Ergonomics·2026
Same journal

Layer-specific facial soft-tissue thickness in 1174 Chinese adults: Implications for finite-element headforms and ergonomic design.

Ergonomics·2026
Same journal

The dual effects of information presentation speed on operator performance in dynamic tasks: a study in supervisory control and data acquisition interfaces.

Ergonomics·2026
Same journal

Evaluating generative AI teaching assistants in simulated learning environments: how instructor type and support type affect students' perceptions.

Ergonomics·2026
Same journal

Swipe smart, not hard: hand health of smartphone users in a university population.

Ergonomics·2026
Same journal

Couriers' work-related musculoskeletal disorders and psychological distress: Insights for work errors and traffic safety.

Ergonomics·2026
See all related articles

Related Experiment Video

Updated: Feb 16, 2026

A Rat Model of Central Fatigue Using a Modified Multiple Platform Method
05:13

A Rat Model of Central Fatigue Using a Modified Multiple Platform Method

Published on: August 14, 2018

9.6K

An improved model to predict performance under mental fatigue.

Henry T Peng1, Fethi Bouak1, Wenbi Wang1

  • 1a Defence Research and Development Canada, Toronto Research Centre , Toronto , Canada.

Ergonomics
|January 4, 2018
PubMed
Summary
This summary is machine-generated.

A new cognitive fatigue model was developed using MATLAB to predict performance under sleep deprivation. This model improves usability for civilian and military applications by incorporating alertness and task demand.

Keywords:
Bio-mathematical modelcognitive performancemental fatigueshift worksleep

More Related Videos

Collecting Sleep, Circadian, Fatigue, and Performance Data in Complex Operational Environments
08:36

Collecting Sleep, Circadian, Fatigue, and Performance Data in Complex Operational Environments

Published on: August 8, 2019

12.8K
A Mouse Model of Fatigue Induced by Peripheral Irradiation
04:15

A Mouse Model of Fatigue Induced by Peripheral Irradiation

Published on: March 17, 2017

8.3K

Related Experiment Videos

Last Updated: Feb 16, 2026

A Rat Model of Central Fatigue Using a Modified Multiple Platform Method
05:13

A Rat Model of Central Fatigue Using a Modified Multiple Platform Method

Published on: August 14, 2018

9.6K
Collecting Sleep, Circadian, Fatigue, and Performance Data in Complex Operational Environments
08:36

Collecting Sleep, Circadian, Fatigue, and Performance Data in Complex Operational Environments

Published on: August 8, 2019

12.8K
A Mouse Model of Fatigue Induced by Peripheral Irradiation
04:15

A Mouse Model of Fatigue Induced by Peripheral Irradiation

Published on: March 17, 2017

8.3K

Area of Science:

  • Cognitive Science
  • Human Factors Engineering
  • Computational Neuroscience

Background:

  • Mental fatigue is a growing societal concern impacting health and safety.
  • Existing models for predicting cognitive performance under sleep deprivation have limitations.

Purpose of the Study:

  • To develop and validate a flexible cognitive fatigue model using MATLAB.
  • To compare the model's predictions with commercial fatigue software.
  • To enhance the prediction of cognitive performance under various conditions.

Main Methods:

  • Developed a fatigue model in MATLAB, building upon an existing framework.
  • Incorporated algorithms for non-sleep factors and countermeasures.
  • Simulated various scenarios and compared results with experimental studies.

Main Results:

  • The developed MATLAB fatigue model demonstrated improved predictions and usability.
  • The model effectively predicted cognitive performance under total and partial sleep deprivation.
  • Model flexibility allowed for the integration of alertness and task demand.

Conclusions:

  • The enhanced fatigue model offers improved prediction capabilities for cognitive performance.
  • The model is adaptable for civilian and military applications, including shift work and countermeasures.
  • Future work will focus on further model validation and integration with other tools.