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#183 Neuroscientist Explains How Your Brain Is Affected by Fear, Isolation and Anxiety | Moriel Zelikowsky on Impact Theory

Aug 11, 2020
Guest
Moriel Zelikowsky
Moriel Zelikowsky, an assistant professor of neurobiology at the University of Utah, explores the fascinating links between the brain, fear, and isolation. She reveals how extreme social isolation affects both mice and humans, leading to persistent fear and violence. Moriel questions common advice for PTSD treatment, suggesting that social interactions might be more beneficial than support groups. She also discusses the surprising neurochemical changes triggered by isolation and the adaptive role of fear in our lives.
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INSIGHT

Isolation Effects

  • Social isolation increases violence in mice and likely humans.
  • It also enhances fear responses and disrupts social interactions.
INSIGHT

Social Isolation and Behavior

  • Extended social isolation leads to heightened aggression, persistent fear, and difficulty with social interaction.
  • These effects are seen across species, including mice and humans.
INSIGHT

TAC2's Role

  • Tachykinin 2 (TAC2), a neuropeptide, is upregulated in the brain after social isolation.
  • TAC2 may coordinate the brain's response to isolation, like a conductor.
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