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

Positive, Negative, and Zero Work00:58

Positive, Negative, and Zero Work

22.0K
Work is done on an object when energy is transferred to the object. In other words, work is done when a force acts on a body that undergoes a displacement from one position to another. By definition, the work done by a force is the integral of the force with respect to the displacement along its path. Forces can vary as a function of position, and displacements can occur along various paths between two points. The magnitude of a force multiplied by the cosine of the angle that the force makes...
22.0K
Positive and Negative Feedback Loops01:18

Positive and Negative Feedback Loops

24.9K
Animal organs and organ systems constantly adjust to internal and external changes through a process called homeostasis ("steady state"). Examples of these changes include regulation of the level of glucose or calcium in the blood or internal responses to external temperatures. Homeostasis requires  maintaining an internal dynamic equilibrium:
24.9K
How to Create Conditioned Taste Aversion for Grazing Ground Covers in Woody Crops with Small Ruminants05:55

How to Create Conditioned Taste Aversion for Grazing Ground Covers in Woody Crops with Small Ruminants

7.6K
Feeding behavior preferences in livestock can be modified to implement a grazing management plan in woody crops. Here, we present a protocol to show a lithium chloride dose after eating a new plant that induces conditioned taste aversion.
7.6K
Examination of Thymic Positive and Negative Selection by Flow Cytometry14:29

Examination of Thymic Positive and Negative Selection by Flow Cytometry

22.6K
We present a flow cytometry-based method to examine T cell development in vivo using genetically manipulated mice on a wildtype or T cell receptor transgenic...
22.6K
Highlighting and Reducing the Impact of Negative Aging Stereotypes During Older Adults' Cognitive Testing06:58

Highlighting and Reducing the Impact of Negative Aging Stereotypes During Older Adults' Cognitive Testing

7.7K
Here, we present a protocol designed to show how negative aging stereotypes can impair memory performance of older adults during cognitive testing and how to reduce this deleterious effect. This method can help older people to perform at an optimal level during testing in both lab studies and clinical...
7.7K
The Use of an Automated System (GreenFeed) to Monitor Enteric Methane and Carbon Dioxide Emissions from Ruminant Animals11:02

The Use of an Automated System (GreenFeed) to Monitor Enteric Methane and Carbon Dioxide Emissions from Ruminant Animals

22.9K
Accuracy and precision of the techniques used to measure methane emissions from ruminant animals are critically important for the success of greenhouse gas mitigation efforts. This manuscript describes the principles and operation of an automated system to monitor methane and carbon dioxide mass fluxes from the breath of ruminant...
22.9K

You might also read

Related Articles

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

Sort by
Same author

Trait mindfulness and psychological distress in college students: indirect associations via experiential avoidance.

Journal of American college health : J of ACH·2026
Same author

An Examination of Public Knowledge of Mild Traumatic Brain Injury.

Public health challenges..·2025
Same author

PTSD and mood disorders in implantable cardioverter defibrillator patients: is more psychological assessment needed?

Expert review of cardiovascular therapy·2024
Same author

Vascular Disease Patient Information Page: Coping with a serious vascular disease diagnosis.

Vascular medicine (London, England)·2024
Same author

Co-design of new post-covid oncology rehabilitation services offers a model for the future.

BMJ (Clinical research ed.)·2022
Same author

Introduction to the cognitive hospital.

Future healthcare journal·2022
Same journal

Aging with dual burdens: Cross-national evidence on mortality among older Hispanic adults with diabetes and dementia.

The journals of gerontology. Series B, Psychological sciences and social sciences·2026
Same journal

Social vulnerability and the mental health consequences of the death of a close friend in older adulthood.

The journals of gerontology. Series B, Psychological sciences and social sciences·2026
Same journal

Daily Loneliness and Subjective Well-being as a Function of Older Adults' Sexual Orientation.

The journals of gerontology. Series B, Psychological sciences and social sciences·2026
Same journal

Do Changes in Sense of Purpose in Life Predict Charitable Giving Among U.S. Older Adults? The Moderating Role of Financial Planning Horizon.

The journals of gerontology. Series B, Psychological sciences and social sciences·2026
Same journal

Discrimination and Depressive Symptoms: The Role of Psychological Resilience across Racial and Ethnic Groups.

The journals of gerontology. Series B, Psychological sciences and social sciences·2026
Same journal

The role of depressive symptoms, episodic memory, and executive functioning on prospective memory: New insights from the Canadian Longitudinal Study on Aging.

The journals of gerontology. Series B, Psychological sciences and social sciences·2026
See all related articles

Related Experiment Video

Updated: Jan 19, 2026

Positive, Negative, and Zero Work
00:58

Positive, Negative, and Zero Work

22.0K

Age Differences in Negative, but Not Positive, Rumination.

Lisa Emery1, Anne Sorrell1, Cassidy Miles1

  • 1Department of Psychology, Appalachian State University, Boone, NC.

The Journals of Gerontology. Series B, Psychological Sciences and Social Sciences
|September 11, 2019
PubMed
Summary
This summary is machine-generated.

Older adults ruminate less on negative thoughts compared to younger adults. This age-related positivity stems from reduced dwelling on negative moods, not increased focus on positive ones.

Keywords:
Emotion regulationPositive affectRumination

More Related Videos

How to Create Conditioned Taste Aversion for Grazing Ground Covers in Woody Crops with Small Ruminants
05:55

How to Create Conditioned Taste Aversion for Grazing Ground Covers in Woody Crops with Small Ruminants

Published on: April 30, 2016

7.6K
Examination of Thymic Positive and Negative Selection by Flow Cytometry
14:29

Examination of Thymic Positive and Negative Selection by Flow Cytometry

Published on: October 8, 2012

22.6K

Related Experiment Videos

Last Updated: Jan 19, 2026

Positive, Negative, and Zero Work
00:58

Positive, Negative, and Zero Work

22.0K
How to Create Conditioned Taste Aversion for Grazing Ground Covers in Woody Crops with Small Ruminants
05:55

How to Create Conditioned Taste Aversion for Grazing Ground Covers in Woody Crops with Small Ruminants

Published on: April 30, 2016

7.6K
Examination of Thymic Positive and Negative Selection by Flow Cytometry
14:29

Examination of Thymic Positive and Negative Selection by Flow Cytometry

Published on: October 8, 2012

22.6K

Area of Science:

  • Psychology
  • Cognitive Aging

Background:

  • Repetitive thought, or rumination, can be categorized as negative or positive.
  • Understanding age-related differences in rumination is crucial for cognitive aging research.

Purpose of the Study:

  • To investigate age-related differences in both positive and negative repetitive thought patterns.
  • To determine if younger and older adults differ in their tendency to ruminate.

Main Methods:

  • A comparative study involving young adults (19-39 years) and older adults (60-85 years).
  • Participants completed self-report measures assessing negative and positive rumination.
  • Bayesian statistical analyses were employed to examine age group differences.

Main Results:

  • Strong evidence indicated that older adults engage in less negative rumination than younger adults.
  • No significant age-related difference was found for positive rumination.

Conclusions:

  • Age-related positivity appears to be characterized by a reduction in dwelling on negative moods.
  • The findings suggest that cognitive aging influences negative thought processes more than positive ones.