Related Experiment Video
Updated: Apr 20, 2026
04:20
Author Spotlight: Exploring Microglial Interactions with Stress-Response Circuitry Using the Limited Bedding and Nesting Model
Published on: July 12, 2024
3.0K
The intergenerational effects of early adversity.
Janina Galler1, Danielle Galler Rabinowitz1
1Judge Baker Children's Center, Harvard Medical School, Boston, Massachusetts, USA.
Progress in Molecular Biology and Translational Science
|November 21, 2014
Summary
Early life environmental insults can cause epigenetic changes affecting health and behavior across generations. Recent research highlights the epigenetic mechanisms behind these long-lasting developmental impacts.
Area of Science:
- Neuroscience
- Developmental Biology
- Epigenetics
Background:
- Early life development is sensitive to environmental factors like malnutrition, trauma, and drug exposure.
- These early insults can lead to lasting physiological and behavioral changes.
- Transgenerational inheritance of these changes has been observed in experimental studies.
Purpose of the Study:
- To explore the epigenetic mechanisms underlying the long-term and transgenerational effects of early life insults on brain development.
- To synthesize recent findings on how environmental exposures during critical developmental periods impact health and behavior across lifespan and generations.
Main Methods:
- Review of recent scientific literature focusing on epigenetics and early life stress.
- Analysis of experimental studies demonstrating transgenerational effects.
- Identification of specific epigenetic modifications linked to environmental insults.
Main Results:
- Epigenetic modifications are key mechanisms linking early life insults to long-term health and behavioral outcomes.
- These epigenetic changes can persist throughout an individual's lifespan.
- Evidence suggests these modifications can be transmitted to subsequent generations.
Conclusions:
- Epigenetic mechanisms provide a framework for understanding how early environmental insults impact health across generations.
- Further research into these mechanisms is crucial for developing interventions.
- Understanding these processes is vital for public health and developmental science.
Related Concept Videos
01:30Socioemotional Development during Infancy
1.4K
Socio-emotional development in infancy is primarily shaped by early emotional responses and social connections, with temperament playing a central role. Temperament refers to the consistent patterns in an individual's emotional and behavioral responses, observable even in infancy. By examining temperament, researchers can better understand an infant's unique ways of interacting with the world, influencing subsequent personality and socio-emotional growth.
Primary Temperament Types
Primary Temperament Types
1.4K
01:28Adler's Individual Psychology
3.1K
Alfred Adler, a prominent figure in psychology, founded the school of individual psychology. In contrast to Freud's emphasis on sexual or aggressive motives, Adler suggested that individuals are primarily motivated by their purposes and goals. He believed that people strive for perfection rather than pleasure. Adler argued that individuals could creatively act upon their genetic inheritance and environmental experiences to shape their own lives, emphasizing conscious motivation over...
3.1K
01:28Relationship with Parents: Attachment
375
Parent-child interactions lay the foundation for how we understand relationships throughout life. These interactions are not uniform across families; instead, they are shaped by a range of environmental, emotional, and behavioral factors unique to each caregiver-child dynamic. Social psychologists study these early relationships to understand how patterns formed in infancy influence social functioning and interpersonal behavior in adulthood.Attachment Theory and Early Relational ModelsJohn...
375
01:29Relationship with Other Adult Family Members and Siblings
271
Other adult family members and siblings play a crucial role in shaping children’s social and emotional development. While parents or primary caregivers are often the central figures in early attachment and socialization, other adults in a child’s life, such as grandparents, aunts, and uncles, can significantly influence developmental outcomes. These influences depend on each adult’s personality and may help compensate when a primary caregiver is emotionally distant or...
271
01:20Gene-Environment Interactions
1.6K
Gene expression is a dynamic process that is significantly influenced by environmental factors. This interaction underlies the complex nature of biological development and the phenotypic differences observed among individuals, even among those with identical genetic makeups. Factors such as radiation, temperature, behavior, nutrition, and stress play pivotal roles in determining how genes are expressed. The concept of the reaction range is central to understanding this interaction. It posits...
1.6K
01:29Environmental Influences on Intelligence
1.2K
Despite the strong genetic influence on traits like intelligence, environmental factors significantly shape outcomes. For example, while over 90% of height variation is due to genetic differences, environmental factors such as nutrition also have a notable impact. Similarly, for intelligence, changes in a child's surroundings can significantly alter their IQ. Research shows that enriched environments boost children's academic success and help them develop key cognitive skills. Children...
1.2K