Essentials: The Science & Treatment of Obsessive Compulsive Disorder (OCD)

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Neural Circuitry, Cortex, Striatum, Thalamus

At 9:40 · chapter starts 8:45

With genetic context established, Huberman shifts to the neural architecture of OCD. He identifies three key structures: the cortex, responsible for conscious perception and understanding; the striatum and basal ganglia, which generate and suppress actions through a go/no-go mechanism; and the thalamus, an egg-shaped relay center in the brain's core that channels sensory information — sight, sound, touch — upward toward conscious experience. Wrapping the thalamus is the thalamic reticular nucleus, a structure Huberman calls one of his favorites in neuroanatomy. This outer shell acts as a filter, deciding which streams of sensory experience are passed up to conscious awareness and which are blocked. The stage is now set to show how these three structures talk to each other — and how their conversation goes wrong in OCD.