Hidden Brain

4 Mar 2024 · 52 min

0:00

In this Hidden Brain episode, host Shankar Vedantam talks with psychiatrist and neuroscientist Arash Javanbakht about the nature of fear. The conversation weaves personal anecdotes (Carly Simon’s stage fright, Arash’s childhood height fear, a motorcycle crash, a Grand Canyon mule ride) with evolutionary explanations of why fear circuits (amygdala, sympathetic nervous system, fight‑flight‑freeze) are conserved across species. They discuss how fear can become maladaptive—generalizing from a single traumatic event to everyday situations (e.g., Parkland shooting, 4th of July fireworks, gas‑station robbery, social anxiety, fear of sharks, spiders, public speaking). Javanbakht outlines clinical strategies for reclaiming control: cognitive reappraisal, grounding, mindfulness, sense‑of‑control building, exposure therapy, and novel virtual/augmented‑reality exposure tools. He illustrates exposure with a spider‑phobia case that progressed from virtual spiders to handling a live tarantula. The episode also explores the distinction between bravery and fearlessness, the role of meaning and purpose as a bulwark against fear, and the idea that occasional real‑danger experiences can recalibrate the fear system. Throughout, the tone is conversational and empathetic, with a hopeful outlook toward learning to work with, rather than eliminate, fear.

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