EPISODE · Jan 21, 2026 · 13 MIN
Why Words Get Stuck: The Neurobiology of Stuttering 🔬🧠
from The Deep Dive Lab: Unraveling Materials Science · host Son Hoang
For decades, stuttering was dismissed as a sign of anxiety, weak confidence, or “nervous energy.”Modern neuroscience tells a very different story.In this episode, we dive deep into stuttering as a neurodevelopmental brain disorder, not a behavioral flaw. Drawing from the latest genetics, neuroimaging, and dopamine research, we explore how disrupted cortico–basal ganglia–thalamocortical circuits interfere with speech motor initiation.🧠 What’s happening inside the brain?🧬 Why do “cellular recycling” genes affect speech fluency?⚡ How does excess dopamine clog speech timing?👶 Why do 80% of children recover—and why timing matters?We also unpack the critical early-intervention window, sex differences in recovery, and how therapies like the Lidcombe Program harness brain plasticity to reshape neural pathways.This episode replaces stigma with science—and reframes stuttering as a story of brain circuitry, biology, and resilience.🎧 Listen now to understand why fluency is wired, not willed.#StutteringScience #NeurosciencePodcast #BrainHealth #SpeechDisorders #Neurodevelopment #Dopamine #Genetics #BrainPlasticity #ScienceCommunication #MentalHealth
What this episode covers
For decades, stuttering was dismissed as a sign of anxiety, weak confidence, or “nervous energy.”Modern neuroscience tells a very different story.In this episode, we dive deep into stuttering as a neurodevelopmental brain disorder, not a behavioral flaw. Drawing from the latest genetics, neuroimaging, and dopamine research, we explore how disrupted cortico–basal ganglia–thalamocortical circuits interfere with speech motor initiation.🧠 What’s happening inside the brain?🧬 Why do “cellular recycling” genes affect speech fluency?⚡ How does excess dopamine clog speech timing?👶 Why do 80% of children recover—and why timing matters?We also unpack the critical early-intervention window, sex differences in recovery, and how therapies like the Lidcombe Program harness brain plasticity to reshape neural pathways.This episode replaces stigma with science—and reframes stuttering as a story of brain circuitry, biology, and resilience.🎧 Listen now to understand why fluency is wired, not willed.#StutteringScience #NeurosciencePodcast #BrainHealth #SpeechDisorders #Neurodevelopment #Dopamine #Genetics #BrainPlasticity #ScienceCommunication #MentalHealth
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Why Words Get Stuck: The Neurobiology of Stuttering 🔬🧠
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