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

Predator-Prey Interactions02:39

Predator-Prey Interactions

16.5K
Predators consume prey for energy. Predators that acquire prey and prey that avoid predation both increase their chances of survival and reproduction (i.e., fitness). Routine predator-prey interactions elicit mutual adaptations that improve predator offenses, such as claws, teeth, and speed, as well as prey defenses, including crypsis, aposematism, and mimicry. Thus, predator-prey interactions resemble an evolutionary arms race.
16.5K
Primary Motives: Hunger and Thirst01:25

Primary Motives: Hunger and Thirst

258
Hunger and thirst are fundamental physiological drives crucial for maintaining homeostasis and ensuring the survival of both humans and animals. These drives are regulated through complex interactions between the brain, hormones, and sensory receptors.
Hunger arises when the brain detects changes in the body's nutrient levels, including glucose, lipids, amino acids, and hormones such as ghrelin and leptin. The hypothalamus plays a central role in hunger regulation. The lateral hypothalamus...
258
Robbers Cave04:49

Robbers Cave

14.3K
During the 1950s, the landmark Robbers Cave experiment demonstrated that when groups must compete with one another, intergroup conflict, hostility, and even violence may result. At the Oklahoman summer camp, two troops of boys—termed the Rattlers and the Eagles—took part in a week-long tournament. During this time, their negativity culminated in derogatory name-calling, fistfights, and even vandalism and destruction of property. However, this work also revealed that such tension...
14.3K
Relationship Formation02:12

Relationship Formation

40.2K
What do you think is the single most influential factor in determining with whom you become friends and whom you form romantic relationships? You might be surprised to learn that the answer is simple: the people with whom you have the most contact. This most important factor is proximity. You are more likely to be friends with people you have regular contact with. For example, there are decades of research that shows that you are more likely to become friends with people who live in your dorm,...
40.2K
Social Exchange Theory02:06

Social Exchange Theory

34.6K
We have discussed why we form relationships, what attracts us to others, and different types of love. But what determines whether we are satisfied with and stay in a relationship? One theory that provides an explanation is social exchange theory. According to social exchange theory, we act as naïve economists in keeping a tally of the ratio of costs and benefits of forming and maintaining a relationship with others (Rusbult & Van Lange, 2003).
34.6K
The Stanford Prison Experiment03:20

The Stanford Prison Experiment

23.3K
The famous and controversial Stanford Prison Experiment, conducted by social psychologist Philip Zimbardo and his colleagues at Stanford University, demonstrated the power of social roles, social norms, and scripts.
23.3K

You might also read

Related Articles

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

Sort by
Same author

Evidence for adaptive explanations of semelparity in animals.

Biological reviews of the Cambridge Philosophical Society·2026
Same author

Integrating evolutionary theory into a framework for the mechanistic evaluation of candidate anti-aging interventions.

Frontiers in aging·2026
Same author

Transient dynamics and nonlinear fitness: A matrix approach to pulse and press perturbation.

Ecology·2026
Same author

Plant population responses to environmental variability are primarily driven by survival-reproduction trade-offs and mediated by aridity.

Nature communications·2026
Same author

Density Dependence Impacts Our Understanding of Population Resilience.

The American naturalist·2026
Same author

Demographic buffering in natural populations: A multi-level perspective.

The Journal of animal ecology·2026

Related Experiment Video

Updated: Aug 2, 2025

Exploring the Use of Isolated Expressions and Film Clips to Evaluate Emotion Recognition by People with Traumatic Brain Injury
05:51

Exploring the Use of Isolated Expressions and Film Clips to Evaluate Emotion Recognition by People with Traumatic Brain Injury

Published on: May 15, 2016

9.1K

The Hunger Games as the Key to Happily Ever After?

Jacques A Deere1,2, Clarice Xu1,3, Celestine Adelmant1

  • 1Department of Biology, University of Oxford, Oxford, UK.

The Journals of Gerontology. Series A, Biological Sciences and Medical Sciences
|April 20, 2023
PubMed
Summary

Calorie restriction (CR) research on aging is limited by a focus on short-lived species and unrealistic conditions. More realistic studies are needed to understand CR

Keywords:
Life historyLongevitySenescenceStochastic environments

More Related Videos

Studying Food Reward and Motivation in Humans
12:09

Studying Food Reward and Motivation in Humans

Published on: March 19, 2014

23.5K
The Collective Trust Game: An Online Group Adaptation of the Trust Game Based on the HoneyComb Paradigm
06:18

The Collective Trust Game: An Online Group Adaptation of the Trust Game Based on the HoneyComb Paradigm

Published on: October 20, 2022

2.1K

Related Experiment Videos

Last Updated: Aug 2, 2025

Exploring the Use of Isolated Expressions and Film Clips to Evaluate Emotion Recognition by People with Traumatic Brain Injury
05:51

Exploring the Use of Isolated Expressions and Film Clips to Evaluate Emotion Recognition by People with Traumatic Brain Injury

Published on: May 15, 2016

9.1K
Studying Food Reward and Motivation in Humans
12:09

Studying Food Reward and Motivation in Humans

Published on: March 19, 2014

23.5K
The Collective Trust Game: An Online Group Adaptation of the Trust Game Based on the HoneyComb Paradigm
06:18

The Collective Trust Game: An Online Group Adaptation of the Trust Game Based on the HoneyComb Paradigm

Published on: October 20, 2022

2.1K

Area of Science:

  • Gerontology and Evolutionary Biology
  • Investigating the biological mechanisms of aging and longevity across diverse species.

Background:

  • Human populations are living longer, increasing societal impacts like extended retirement.
  • Calorie restriction (CR) theory proposes that reduced calorie intake without malnutrition extends lifespan.
  • Current CR research faces challenges, hindering a complete understanding of its effects on organismal vitality.

Conclusions:

  • Future CR research must include a wider range of species, both short- and long-lived.
  • Incorporating greater experimental realism is crucial for validating CR's impact on longevity in natural settings.
  • This approach will provide critical insights into the sociobioeconomic implications of aging across species.