Brian Dias – Epigenetics and Intergenerational Trauma
May 2, 2024
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Neuroscientist Brian Dias discusses intergenerational trauma, epigenetics, and the transmission of experiences through generations. Topics include the impact of trauma on brain development, links to Buddhist karma, implications for inheritance and evolution, and strategies for breaking cycles of stress and fostering well-being.
Experiences, not just genes, can be inherited, showing the interplay between nature and nurture.
Trauma legacies can be halted by interventions like exposure therapy and nurturing environments.
Deep dives
Understanding the Interplay of Stress and Trauma Across Generations
The episode delves into the exploration of how stress and trauma can be inherited across generations, shedding light on the work of neuroscientist Brian Dias. The conversation uncovers the biological underpinnings of intergenerational trauma transmission, emphasizing the revolutionary concept that experiences, not just genes, can be inherited. The intricate interplay between nature and nurture is highlighted, demonstrating multiple pathways for trauma inheritance.
Revealing Insights from Animal Studies on Intergenerational Trauma Transmission
Research findings from mouse studies reveal significant insights into the mechanisms of trauma inheritance across generations. By inducing fear in male mice towards a specific odor, subsequent generations exhibit heightened sensitivity to the same odor. The study showcases how behavioral sensitivities can be passed through generations via distinct biological mechanisms like altered brain responses and changes in sperm.
Exploring the Intersection of Biology and Buddhist Philosophy in Understanding Inheritance
The episode delves into the convergence of biological inheritance and Buddhist concepts like karma, exploring how experiences may be imprinted and transmitted across generations. Insights from epigenetics shed light on the biological mechanisms through which environmental experiences leave imprints on DNA. The discussion underscores the dynamic interplay between nature and nurture in shaping biological responses to external stimuli.
Nurturing Legacies of Flourishing and Reversing Trauma Through Interventions
A discussion ensues on strategies to mitigate trauma legacies and foster legacies of flourishing. Insights from animal studies highlight the potential reversibility of trauma effects through interventions like exposure therapy. The episode emphasizes the significance of behavioral interventions, cash transfers, and nurturing environments in breaking the cycle of trauma inheritance and promoting positive legacies for future generations.
In this episode, Wendy speaks with neuroscientist and trauma researcher Brian Dias. Brian is one of the pioneers in understanding how trauma can be transferred between generations. Research in this space has helped fuel a major revolution in biology, because itmeans that not just our genes, but some aspects of our experiences can be inherited. This conversation covers many topics, including:
his path into studying trauma;
how trauma can pass through generations;
links with the Buddhist concept of karma;
understanding epigenetics & the interplay between genes and environment;
implications for inheritance and evolution;
whether such intergenerational transmission is helpful or harmful;
epigenetic clocks in our cells;
how trauma affects brain development;
sociocultural, developmental, and biological pathways for transmission of experiences;
creating legacies of flourishing;
lessons learned from collaborating with Tibetan monastics;
providing resources to parents to try to halt legacies of trauma;
impacts of stress on our mitochondria and microbiome;