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

Testosterone: Functions and Regulation01:26

Testosterone: Functions and Regulation

1.1K
The intricate hormonal interplay essential for male reproductive health begins with the release of gonadotropin-releasing hormone (GnRH) by the hypothalamus. This hormone prompts the pituitary gland to secrete follicle-stimulating hormone (FSH) and luteinizing hormone (LH). LH targets the Leydig cells in the testes, stimulating them to produce and release testosterone. In concert with testosterone, FSH acts on the Sertoli cells within the seminiferous tubules to facilitate the release of...
1.1K
The Stanford Prison Experiment03:20

The Stanford Prison Experiment

23.7K
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.
23.7K
Signs of Puberty01:27

Signs of Puberty

622
Puberty is a critical phase, typically beginning between the ages of 8 and 13 in girls and 9 and 14 in boys, though timing can vary based on genetics, environmental factors, and overall health. This period is characterized by the development of secondary sexual characteristics and the attainment of reproductive potential. Endocrine changes underpin puberty, with hormonal surges of Luteinizing Hormone (LH) and Follicle-Stimulating Hormone (FSH) instigated by Gonadotropin-Releasing Hormone (GnRH)...
622
Relationship Formation02:12

Relationship Formation

41.2K
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,...
41.2K
Group Polarization01:01

Group Polarization

35.6K
Group polarization is the strengthening of an original group attitude following the discussion of views within a group (Teger & Pruitt, 1967). That is, if a group initially favors a viewpoint, after discussion the group consensus is likely a stronger endorsement of the viewpoint. Conversely, if the group was initially opposed to a viewpoint, group discussion would likely lead to stronger opposition.
35.6K
Major Hormones and Their Functions01:27

Major Hormones and Their Functions

813
Hormones, the biochemical messengers produced by endocrine glands, are pivotal in regulating bodily functions and maintaining homeostasis. Each hormone's balance is crucial; imbalances can lead to significant physiological disruptions. Major hormones include oxytocin, cortisol, epinephrine, estrogen, testosterone, thyroxine, growth hormone, insulin, and glucagon.
Oxytocin, produced in the hypothalamus and released by the pituitary gland, plays a role in social bonding, childbirth, and...
813

You might also read

Related Articles

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

Sort by
Same author

A video intervention reduces racial bias in a representative sample of US adults: A brain as predictor study.

PloS one·2026
Same author

Virtual Reality Education Increases Neurologic Immersion and Empathy in Nursing Students.

Nursing reports (Pavia, Italy)·2025
Same author

Continuous Neurophysiologic Data Accurately Predict Mood and Energy in the Elderly.

Brain sciences·2022
Same author

Predicting Dishonesty When the Stakes Are High: Physiologic Responses During Face-to-Face Interactions Identifies Who Reneges on Promises to Cooperate.

Frontiers in behavioral neuroscience·2022
Same author

Oxytocin increases perceived competence and social-emotional engagement with brands.

PloS one·2021
Same author

Alcohol unleashes homo economicus by inhibiting cooperation.

PloS one·2021
Same journal

Voices of Stroke Survivors With Dysphagia: A Roy Adaptation Model-Based Qualitative Analysis.

Brain and behavior·2026
Same journal

Korean Red Ginseng Attenuates Dysfunctions and Modulates Inflammatory and Neuroplasticity Markers in the Harmaline-Induced Model of Essential Tremor.

Brain and behavior·2026
Same journal

Pseudohallucination and Pilocytic Astrocytoma in the Pons.

Brain and behavior·2026
Same journal

Volume Alterations in Thalamic Subnuclei in Parkinson's Disease Dementia and Machine Learning-Based Prediction of Diagnosis and Severity.

Brain and behavior·2026
Same journal

ESTELA-Study: Long-Term Effectiveness and Safety of Anti-Calcitonin Gene-Related Peptide Monoclonal Antibodies in Real-World Clinical Practice.

Brain and behavior·2026
Same journal

The "Brain's Traffic Map" Reveals Neural Pathways Linked to Coronary Microvascular Dysfunction in Women.

Brain and behavior·2026
See all related articles

Related Experiment Video

Updated: Sep 16, 2025

Combining Behavioral Endocrinology and Experimental Economics: Testosterone and Social Decision Making
11:51

Combining Behavioral Endocrinology and Experimental Economics: Testosterone and Social Decision Making

Published on: March 2, 2011

15.2K

Testosterone Administration Induces a Red Shift in Democrats.

Rana Alogaily1, Giti Zahedzadeh1, Kenneth V Pyle1

  • 1Center for Neuroeconomics Studies, Claremont Graduate University, Claremont, California, USA.

Brain and Behavior
|July 7, 2025
PubMed
Summary
This summary is machine-generated.

Testosterone administration reduced political affiliation strength and increased Republican candidate warmth in weakly affiliated Democrats. This hormone influences political preferences, particularly in this demographic.

More Related Videos

Continuous Theta Burst Stimulation of the Posterior Medial Frontal Cortex to Experimentally Reduce Ideological Threat Responses
06:42

Continuous Theta Burst Stimulation of the Posterior Medial Frontal Cortex to Experimentally Reduce Ideological Threat Responses

Published on: September 28, 2018

11.7K
Establishment of Rat Models Mimicking Gender-affirming Hormone Therapies
06:24

Establishment of Rat Models Mimicking Gender-affirming Hormone Therapies

Published on: January 10, 2025

929

Related Experiment Videos

Last Updated: Sep 16, 2025

Combining Behavioral Endocrinology and Experimental Economics: Testosterone and Social Decision Making
11:51

Combining Behavioral Endocrinology and Experimental Economics: Testosterone and Social Decision Making

Published on: March 2, 2011

15.2K
Continuous Theta Burst Stimulation of the Posterior Medial Frontal Cortex to Experimentally Reduce Ideological Threat Responses
06:42

Continuous Theta Burst Stimulation of the Posterior Medial Frontal Cortex to Experimentally Reduce Ideological Threat Responses

Published on: September 28, 2018

11.7K
Establishment of Rat Models Mimicking Gender-affirming Hormone Therapies
06:24

Establishment of Rat Models Mimicking Gender-affirming Hormone Therapies

Published on: January 10, 2025

929

Area of Science:

  • Social Psychology
  • Neuroendocrinology
  • Political Science

Background:

  • Political affiliation strength can be influenced by various factors.
  • Hormonal influences on human behavior are an area of ongoing research.

Purpose of the Study:

  • To investigate the effect of testosterone administration on political preferences in healthy males.
  • To determine if testosterone influences party affiliation and candidate warmth.

Main Methods:

  • 136 healthy males received either synthetic testosterone or a placebo.
  • Participants identified the strength of their political affiliation.
  • Political preferences were assessed before and after administration.

Main Results:

  • Weakly affiliated Democrats had higher basal testosterone than strong affiliates (p=0.015).
  • Testosterone administration decreased affiliation strength by 12% (p=0.01) and increased warmth towards Republican candidates by 45% (p<0.001) in weakly affiliated Democrats.
  • No significant effects were observed in strongly affiliated Democrats or any Republican subgroups.

Conclusions:

  • Testosterone administration induced a "red shift" in weakly affiliated Democrats, altering their political leanings.
  • These findings provide evidence for testosterone's role in modulating political preferences.
  • The effect appears specific to individuals with weaker initial party identification.