Essentials: The Neuroscience of Speech, Language & Music | Dr. Erich Jarvis
4/23/202640 min
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. Thank you to our sponsors AG1: https://drinkag1.com/huberman Function: https://functionhealth.com/huberman Eight Sleep: https://eightsleep.com/huberman 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 (00:09:29) Birdsong & Human Speech; Brain Circuit Parallels (00:13:22) Hummingbirds; Vocal Learning Species & Complex Traits (00:14:32) Critical Periods & Learning Your Native Song (00:16:50) Pidgin Language & Cultural-Genetic Convergence (00:18:36) Sponsor: AG1 (00:20:01) Genes Specialized in Speech Circuits (00:23:05) Critical Period for Language Learning; Multilingualism (00:25:17) Music, Emotion & Semantic vs. Affective Communication (00:28:14) Sponsor: Eight Sleep (00:29:49) Facial Expression & Speech Circuitry (00:31:07) Written Language & Neural Pathways (00:32:47) Stuttering; Basal Ganglia & Neurobiological Basis (00:35:03) Texting & Language Evolution (00:36:36) Tool: Movement, Dancing & Singing to Maintain Cognitive Health (00:38:43) Recap Disclaimer & Disclosures Learn more about your ad choices. Visit megaphone.fm/adchoices
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First 90 secondsAndrew Huberman· Host0:00
Welcome to Huberman Lab Essentials, where we revisit past episodes for the most potent and actionable science-based tools for mental health, physical health, and performance. I'm Andrew Huberman, and I'm a professor of neurobiology and ophthalmology at Stanford School of Medicine. And now for my discussion with Dr. Erich Jarvis. Erich, so great to have you here.
Erich Jarvis· Guest0:22
Thank you.
Andrew Huberman· Host0:23
Yeah. Very interested in learning from you about speech and language. In terms of the study of speech and language and thinking about how the brain organizes speech and language, uh, what are the similarities? What are the differences? How should we think about speech and language?
Erich Jarvis· Guest0:38
There really isn't such a sharp distinction. Now, let me tell you w- how some people think of it now, that there's a separate language module in the brain that has all the algorithms and computations that influence the speech pathway on how to produce sound and the auditory pathway on how to perceive and interpret it, uh, for speech or for, you know, s- sound that we call speech. I don't think there is any good evidence for a separate language module. Instead, there is a speech production pathway that's controlling our larynx, controlling our jaw muscles, that has built within it all the complex algorithms for spoken language, and there's the auditory pathway that has built within it all the complex algorithms for understanding speech, not separate from a language module.