Essentials: The Neuroscience of Speech, Language & Music | Dr. Erich Jarvis
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
(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
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The Huberman Lab podcast is hosted by Andrew Huberman, Ph.D., a neuroscientist and tenured professor in the department of neurobiology, and by courtesy, psychiatry and behavioral sciences at Stanford School of Medicine. The podcast discusses neuroscience and science-based tools, including how our brain and its connections with the organs of our body control our perceptions, our behaviors, and our health, as well as existing and emerging tools for measuring and changing how our nervous system works.
Huberman has made numerous significant contributions to the fields of brain development, brain function, and neural plasticity, which is the ability of our nervous system to rewire and learn new behaviors, skills, and cognitive functioning. He is a McKnight Foundation and Pew Foundation Fellow and was awarded the Cogan Award, given to the scientist making the most significant discoveries in the study of vision, in 2017.
Work from the Huberman Laboratory at Stanford School of Medicine has been published in top journals, including Nature, Science, and Cell, and has been featured in TIME, BBC, Scientific American, Discover, and other top media outlets.
In 2021, Dr. Huberman launched the Huberman Lab podcast. The podcast is frequently ranked in the top 10 of all podcasts globally and is often ranked #1 in the categories of Science, Education, and Health & Fitness.