Related Experiment Video
Updated: Jul 11, 2026
09:07
Experimental Research Examining How People Can Cope with Uncertainty Through Soft Haptic Sensations
Published on: September 16, 2015
The science of hope: an interview with Randy Jirtle.
1Department of Biological Sciences, Center for Human Health and the Environment, North Carolina State University, Raleigh, NC 27695, USA.
Epigenomics
|March 10, 2022
Summary
Professor Randy Jirtle
Area of Science:
- Genomic imprinting and environmental epigenomics.
- Fetal origins of disease susceptibility.
- Epigenetics and its role in adult disease development.
Background:
- Professor Jirtle's extensive career in epigenetics research, focusing on genomic imprinting.
- His tenure at Duke University and current position at North Carolina State University.
- Pioneering studies linking early-life environmental exposures to adult diseases via epigenome modifications.
Discussion:
- The evolutionary origins of genomic imprinting in mammals.
- The impact of environmental factors on the epigenome and subsequent health outcomes.
- The connection between fetal development and susceptibility to adult diseases.
Key Insights:
- Environmental exposures during critical developmental periods can alter the epigenome.
- These epigenetic changes are linked to the development of adult diseases.
- Genomic imprinting plays a crucial role in mammalian development and disease susceptibility.
Outlook:
- Further research into environmental epigenomics for disease prevention.
- Understanding the long-term health implications of early-life exposures.
- Translating epigenetic research into personalized health strategies.
More Related Videos
10:26Problem-Solving Before Instruction (PS-I): A Protocol for Assessment and Intervention in Students with Different Abilities
Published on: September 11, 2021
07:14Virtual Agent for Real-Time Motivational Interviewing by Integrating Adaptive Nonverbal Behavior and Language Models
Published on: December 23, 2025
Related Concept Videos
02:09Stereotype Threat and Self-fulfilling Prophecies
When we hold a stereotype about a person, we have expectations that he or she will fulfill that stereotype. A self-fulfilling prophecy is an expectation held by a person that alters his or her behavior in a way that tends to make it true. When we hold stereotypes about a person, we tend to treat the person according to our expectations. This treatment can influence the person to act according to our stereotypic expectations, thus confirming our stereotypic beliefs. Research by Rosenthal and...
04:08The Uncertainty Principle
Werner Heisenberg considered the limits of how accurately one can measure properties of an electron or other microscopic particles. He determined that there is a fundamental limit to how accurately one can measure both a particle’s position and its momentum simultaneously. The more accurate the measurement of the momentum of a particle is known, the less accurate the position at that time is known and vice versa. This is what is now called the Heisenberg uncertainty principle. He mathematically...
01:23Carl Rogers' Humanistic Perspective on Personality
Carl Rogers, a key figure in humanistic psychology, believed that individuals possess an innate potential for growth and fulfillment. According to his model of personality, three significant components define an individual: the organism, the self, and conditions of worth.
The organism refers to an individual's inherent blueprint, which Rogers saw as innately positive and directed toward helping others, unlike Freud's view of the id as driven by base impulses. The self is a person's...
The organism refers to an individual's inherent blueprint, which Rogers saw as innately positive and directed toward helping others, unlike Freud's view of the id as driven by base impulses. The self is a person's...
01:30Unrealistic Optimism Bias
Unrealistic optimism bias is the tendency to overestimate the likelihood of positive outcomes. This cognitive bias makes individuals believe they are less likely to experience failures, setbacks, or risks and more likely to succeed than others. For example, people may assume they are less prone to health issues, accidents, or financial struggles than their peers, even when they share similar risk factors.One key component of this bias is the above-average effect, where individuals perceive...
01:29Self-Efficacy
Self-efficacy is the belief in one's capacity to organize and execute actions necessary to manage prospective situations. This belief significantly influences how individuals approach goals, tasks, and challenges across different domains of life.Psychological and Educational ImpactsIndividuals with strong self-efficacy are more resilient in the face of difficulties. They are more likely to adopt effective problem-solving strategies, persist through obstacles, and regulate emotions such as...
01:25Motivational Bias
Cognitive bias results from limitations in thinking and information processing, leading to systematic errors in judgment. Conversely, motivational bias stems from personal desires or emotions, causing distortions in perception to align with self-interest. Motivational bias influences how individuals perceive and attribute causes to events, often shaped by personal needs, goals, and self-esteem preservation. This bias can distort judgment, leading to inaccurate assessments of success, failure,...