The Science of Learning & Speaking Languages | Dr. Eddie Chang

My guest is Eddie Chang, MD, a neurosurgeon and professor of
neurological surgery at the University of California, San Francisco
(UCSF) and the co-director of the Center for Neural Engineering
& Prostheses. We discuss the brain mechanisms underlying
speech, language learning and comprehension, communicating human
emotion with words and hand gestures, bilingualism and language
disorders, such as stuttering. Dr. Chang also explains his work
developing and applying state-of-the-art technology to decode
speech and using that information and artificial intelligence (AI)
to successfully restore communication to patients who have suffered
paralyzing injuries or “locked in syndrome.” We also discuss his
work treating patients with epilepsy. Finally, we consider the
future: how modern neuroscience is overturning textbook medical
books, the impact of digital technology such as smartphones on
language and the future of natural and computer-assisted human
communication. For the full show notes, visit hubermanlab.com.
Thank you to our sponsors AG1: https://athleticgreens.com/huberman
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https://livemomentous.com/huberman Timestamps (00:00:00) Dr. Eddie
Chang, Speech & Language (00:03:16) Sponsor: LMNT (00:07:19)
Neuroplasticity, Learning of Speech & Environmental Sounds
(00:13:10) White Noise Machines, Infant Sleep & Sensitization
(00:17:26) Mapping Speech & Language in the Brain (00:24:26)
Emotion; Anxiety & Epilepsy (00:30:19) Epilepsy, Medications
& Neurosurgery (00:33:01) Ketogenic Diet & Epilepsy
(00:34:04) Sponsor: AG1 (00:36:10) Absence Seizures, Nocturnal
Seizures & Other Seizure Types (00:41:08) Brain Areas for
Speech & Language, Broca’s & Wernicke’s Areas, New Findings
(00:53:23) Lateralization of Speech/Language & Handedness,
Strokes (00:59:05) Bilingualism, Shared Language Circuits
(01:01:18) Speech vs. Language, Signal Transduction from Ear to
Brain (01:12:38) Shaping Breath: Larynx, Vocal Folds & Pharynx;
Vocalizations (01:17:37) Mapping Language in the Brain (01:20:26)
Plosives & Consonant Clusters; Learning Multiple Languages
(01:25:07) Motor Patterns of Speech & Language (01:28:33)
Reading & Writing; Dyslexia & Treatments (01:34:47)
Evolution of Language (01:37:54) Stroke & Foreign Accent
Syndrome (01:40:31) Auditory Memory, Long-Term Motor Memory
(01:45:26) Paralysis, ALS, “Locked-In Syndrome” & Brain
Computer Interface (BCI) (02:02:14) Neuralink, BCI, Superhuman
Skills & Augmentation (02:10:21) Non-Verbal Communication,
Facial Expressions, BCI & Avatars (02:17:35) Stutter, Anxiety
& Treatment (02:22:55) Tools: Practices for Maintaining Calm
Under Extreme Demands (02:31:10) Zero-Cost Support, YouTube
Feedback, Spotify & Apple Reviews, Sponsors, Momentous
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