the neurobiology of resilience · the neurobiology of resilience presenter: james rodriguez, lcsw,...
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The Neurobiology of Resilience
PRESENTER: JAMES RODRIGUEZ, LCSW, PHDSENIOR RESEARCH SCIENTIST
MCSILVER INSTITUTE FOR POVERTY POLICY AND RESEARCH
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Why Understand the Neurobiology of Resilience‣Helps to understand psychosocial
protective factors‣Helps to understand how to cope with
stress‣A better understanding of treatments and
interventions for trauma/toxic stress‣Can lead to a better understanding of the
importance of alternative treatment and healthy lifestyles
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Definition‣ Resilience. A dynamic process reflecting positive
adjustment despite significant risk or adversity (Luthar & Zigler, 1991; Garmezy, 1971; Rutter, 1987)
• Allostasis – a dynamic regulatory process wherein homeostatic control is maintained by an active process of adaptation during exposure to physical and behavioral stressors (McEwen and Gianoros, 2010)
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ResilienceTHE OTHER SIDE OF THE COIN FROM TRAUMA
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Amygdala
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Neurobiology of Resilience
Genetics
Epigenetics
Neurochemicals
Neurocircuitry
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Genetics
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Epigenetics‣ Biological mechanisms that will switch genes on and
off (What happens around the gene):• Epigenetics control genes• Epigenetics is everywhere• Epigenetics makes us unique• Epigenetics is reversible or plastic
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Epigenetic Factors‣ Exposure to stress‣ Environmental toxins‣ Prenatal environment‣ Diet ‣ Exercise‣ Developmental (critical) periods‣ Aging‣ Virus/infection
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Epigenetics and Stress
02468
101214161820
0 1 2 3 4-5 6 or more
ACE Score
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Neurochemicals
NorepinephrineNeuropeptide Y
Galanin
CRHCortisolDHEA
OthersDopamineSerotonin
BDNFALLO
Oxytocin
Sympathetic NSHPA Axis Others
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Sinha et al., 2016
Brain Circuitry
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Neural Circuitry of Resilience
Neural Circuitry of Emotion Regulation
Neural Circuitry of Fear Neural Circuitry of Reward
AmygdalaHippocampus vmPFC Nucleus Accumbens
rACC Amygdala
Ventral System
Amygdala Insula Ventral striatum
Ventral ACC/PFC
Dorsal System
Hippocampus Dorsal ACC/PFC
Feder et al., 2012Exposure TherapyIn-Vivo mastery
Positive emotionsOptimismMindfulnessCognitive Re-appraisal
Meaning-making
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Thank You‣ James Rodriguez - [email protected]‣ CTAC – [email protected]‣ Please email me or the CTAC for:• More information• References• To request more offerings on this topic