Birdsong Mirrors Human Speech Learning

Erich Jarvis describes parallels between songbirds and humans, including critical periods, deafness effects, shared circuitry, and convergent speech genes.

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Episode notes

In this Huberman Lab Essentials episode, my guest is Dr. Erich Jarvis, PhD, a professor and Head of the Laboratory of Neurogenetics of Language at Rockefeller University and an investigator at the Howard Hughes Medical Institute (HHMI). We discuss the brain circuits and genes underlying spoken language and why the ability to learn and produce vocalizations is extraordinarily rare in the animal kingdom. We also explore why song likely evolved before language, how gesture and movement share deep neural roots with speech, the neurobiology of stuttering, why childhood is the optimal window for language acquisition, and how physical movement — including dance — may help preserve speech and cognitive function across a lifetime.

Read the show notes at hubermanlab.com.

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Timestamps

(00:00:00) Speech & Language

(00:00:23) Speech vs. Language; Brain Pathways for Communication

(00:01:57) Gesture, Hand Movement & Speech Evolution

(00:04:31) Sponsor: Function

(00:05:59) Innate Vocalizations vs. Learned Speech

(00:08:01) Evolution of Spoken Language; Neanderthals & Vocal Learning