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

Plastic Behavior01:21

Plastic Behavior

756
A material's elastic behavior is characterized by the disappearance of stress once the load is removed, allowing the material to return to its original state. However, when stress surpasses the yield point, yielding commences, marking the onset of plastic deformation or permanent set. This change from elastic to plastic behavior is influenced by the peak stress value and the duration before the load is removed. An intriguing observation occurs when a specimen is loaded, unloaded, and...
756
Aging01:26

Aging

1.0K
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...
1.0K
Physiological Foundation of Stress01:24

Physiological Foundation of Stress

1.0K
Stress triggers a coordinated physiological response involving the sympathetic nervous system (SNS) and the hypothalamic-pituitary-adrenal (HPA) axis. This dual activation ensures that the body is prepared for both immediate and prolonged stress management. The process begins with the perception of a stressor. This initial phase activates the SNS, leading to the rapid release of adrenaline (epinephrine) from the adrenal glands.
Role of the Sympathetic Nervous System
Adrenaline triggers the...
1.0K
Psychological Responses to Stress01:20

Psychological Responses to Stress

904
Psychological responses to stress encompass the various cognitive and emotional reactions individuals experience when faced with challenging or threatening situations, such as a job loss. Prolonged exposure to stressors can disturb emotional balance, increasing negative emotions (e.g., anxiety and sadness) and diminishing positive emotions (e.g., joy and satisfaction). These persistent emotional shifts are associated with an increased risk of both physical illness and mental health issues, such...
904
Introduction to Stress and Lifestyle01:27

Introduction to Stress and Lifestyle

817
Stress is a multifaceted response to events perceived as challenging or threatening, highlighting physical, emotional, cognitive, and behavioral reactions. Physically, stress can lead to fatigue, sleep disruptions, and various health issues such as frequent colds, chest pains, and nausea. Emotionally, it can manifest as anxiety, depression, irritability, and anger triggered by both minor and major life events. Cognitively, it may result in difficulty in concentration, memory, and...
817

You might also read

Related Articles

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

Sort by
Same author

Same species, different risks: predation shapes hormonal profiles in a breeding sea duck, the common eider.

Conservation physiology·2026
Same author

Nationwide monitoring of seabirds reveals species- and site-specific legacy PFAS contamination in French coastal areas.

Environment international·2026
Same author

Who's Coming Home? Shorter Early-Life Telomeres Predict Return to the Natal Colony in an Arctic Seabird.

Ecological and evolutionary physiology·2026
Same author

Telomere Length Decreases with Age and Reflects Early-Life Environment but Not Adult Condition in a Long-Lived Migratory Bird.

Ecological and evolutionary physiology·2026
Same author

Stage-structured multihormone phenotypes and a shared endocrine milieu underlie facultative male care in a biparental songbird.

Hormones and behavior·2026
Same author

Context-Dependent Effects of Amino Acid Supplementation on Nestling Growth and Baseline Innate Immune Function.

Ecology and evolution·2026
Same journal

Cat colonies reshape the abundance and body size of lizards.

Biology letters·2026
Same journal

Visual signal dynamicity shapes detectability in the wild: an experiment with a mate-searching butterfly.

Biology letters·2026
Same journal

Transient marine species disproportionately expand the morphospace of North American continental freshwater fishes.

Biology letters·2026
Same journal

An unrecognized fine-scale host-plant adaptation in a leaf miner: correct dorsoventral egg orientation is essential for successful leaf entry.

Biology letters·2026
Same journal

Alpine adaptation drives rapid colour evolution in a Batesian mimic.

Biology letters·2026
Same journal

Song but not colour divergence constrains hybridization in birds.

Biology letters·2026
See all related articles

Related Experiment Video

Updated: Apr 7, 2026

Thermal Imaging to Study Stress Non-invasively in Unrestrained Birds
10:07

Thermal Imaging to Study Stress Non-invasively in Unrestrained Birds

Published on: November 6, 2015

14.2K

Within-individual plasticity explains age-related decrease in stress response in a short-lived bird.

Ádám Z Lendvai1, Mathieu Giraudeau2, Veronika Bókony3

  • 1Department of Evolutionary Zoology and Human Biology, University of Debrecen, Egyetem tér 1, Debrecen 4032, Hungary lendvai@nyf.hu.

Biology Letters
|July 17, 2015
PubMed
Summary
This summary is machine-generated.

Older house sparrows show reduced hormonal stress responses, indicating that stress responsiveness is a plastic trait. This suggests adaptation to environmental and life-history stages influences energy allocation strategies.

Keywords:
corticosteroneplasticitystress response

More Related Videos

Author Spotlight: Exploring Microglial Interactions with Stress-Response Circuitry Using the Limited Bedding and Nesting Model
04:20

Author Spotlight: Exploring Microglial Interactions with Stress-Response Circuitry Using the Limited Bedding and Nesting Model

Published on: July 12, 2024

2.9K
The Unpredictable Chronic Mild Stress Protocol for Inducing Anhedonia in Mice
07:13

The Unpredictable Chronic Mild Stress Protocol for Inducing Anhedonia in Mice

Published on: October 24, 2018

19.0K

Related Experiment Videos

Last Updated: Apr 7, 2026

Thermal Imaging to Study Stress Non-invasively in Unrestrained Birds
10:07

Thermal Imaging to Study Stress Non-invasively in Unrestrained Birds

Published on: November 6, 2015

14.2K
Author Spotlight: Exploring Microglial Interactions with Stress-Response Circuitry Using the Limited Bedding and Nesting Model
04:20

Author Spotlight: Exploring Microglial Interactions with Stress-Response Circuitry Using the Limited Bedding and Nesting Model

Published on: July 12, 2024

2.9K
The Unpredictable Chronic Mild Stress Protocol for Inducing Anhedonia in Mice
07:13

The Unpredictable Chronic Mild Stress Protocol for Inducing Anhedonia in Mice

Published on: October 24, 2018

19.0K

Area of Science:

  • * Physiological ecology and behavioral endocrinology.
  • * Study of life-history trade-offs and adaptive strategies in vertebrates.

Background:

  • * Organisms must balance energy allocation between competing life-history components like self-maintenance and reproduction.
  • * Hormonal mediation, particularly involving corticosterone, plays a key role in state-dependent allocation decisions.
  • * Age is a critical state variable influencing physiological and behavioral responses.

Purpose of the Study:

  • * To investigate how age affects the hormonal (corticosterone) response to capture stress in free-living house sparrows.
  • * To differentiate between within-individual plasticity and among-individual variation (selection/gene flow) in stress response.
  • * To understand how stress responsiveness relates to energy allocation between self-maintenance and reproduction.

Main Methods:

  • * Long-term monitoring of free-living house sparrows using a ringing dataset to determine individual age.
  • * Measurement of corticosterone levels in response to standardized capture stress over consecutive years.
  • * Statistical partitioning of variation into within- and among-individual age components.

Main Results:

  • * Significant among-individual variation in hormonal profiles was observed.
  • * House sparrows exhibited a decreased stress response (corticosterone) as they aged.
  • * The age-related decrease in stress response suggests a plastic, adaptive adjustment.

Conclusions:

  • * Stress responsiveness in house sparrows is a plastic trait, varying within individuals.
  • * Adaptive plasticity allows for optimized phenotypic responses based on life-history stage and environment.
  • * Natural selection may act on these reaction norms to favor individuals with appropriate stress responses at different ages.