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David Eagleman: Neuroplasticity and the Livewired Brain | Lex Fridman Podcast #119
15 segments available
David Eagleman is a neuroscientist at Stanford. Support this podcast by supporting our sponsors: - Athletic Greens: https://athleticgreens.com/lex - BetterHelp: https://betterhelp.com/lex - Cash App: download app & use code "LexPodcast" EPISODE LINKS: David's Website: https://www.eagleman.com/ David's Twitter: https://twitter.com/davideagleman Livewired (book): https://amzn.to/3ba4ezv Incognito (book): https://amzn.to/3lkNASh PODCAST INFO: Podcast website: https://lexfridman.com/podcast Apple Podcasts: https://apple.co/2lwqZIr Spotify: https://spoti.fi/2nEwCF8 RSS: https://lexfridman.com/feed/podcast/ Full episodes playlist: https://www.youtube.com/playlist?list=PLrAXtmErZgOdP_8GztsuKi9nrraNbKKp4 Clips playlist: https://www.youtube.com/playlist?list=PLrAXtmErZgOeciFP3CBCIEElOJeitOr41 OUTLINE: 0:00 - Introduction 5:05 - Livewired 16:39 - Hardware vs software 25:53 - Brain-computer interfaces 35:12 - 2020 is a challenge for neuroplasticity 46:08 - Free will 50:43 - Nature of evil 58:55 - Psychiatry 1:06:28 - GPT-3 1:13:31 - Intelligence in the brain 1:21:51 - Neosensory 1:31:27 - Book recommendations 1:34:07 - Meaning of life 1:36:53 - Advice for young people CONNECT: - Subscribe to this YouTube channel - Twitter: https://twitter.com/lexfridman - LinkedIn: https://www.linkedin.com/in/lexfridman - Facebook: https://www.facebook.com/LexFridmanPage - Instagram: https://www.instagram.com/lexfridman - Medium: https://medium.com/@lexfridman - Support on Patreon: https://www.patreon.com/lexfridman
Segments Timeline
The Beauty and Mystery of the Human Brain
David Eagleman, a renowned neuroscientist, introduces the concept of neuroplasticity and its significance in understanding the adaptability of the human brain. He discusses the ongoing exploration of how the brain can change and adapt at various levels, including biological, cognitive, and sociological. This segment sets the stage for a deep dive into the brain's capabilities and the implications for future technology.
"the following is a conversation with david eagleman a neuroscientist and one of the great science communicators of our time exploring the beauty and mystery of the human brain he is an author a lot of..."
Introducing Livewired: The Changing Brain
Eagleman presents his book 'Livewired,' which focuses on the brain's ability to reconfigure itself as it learns and adapts. He contrasts traditional metaphors of hardware and software with the concept of 'livewear,' emphasizing the brain's dynamic nature. This segment explores how the brain's physical structure changes in response to experiences, highlighting the implications for engineering and technology.
"and now here's my conversation with david eagleman you have a new book coming out on the changing brain can you give a high level overview of the book it's called live wired by the way yeah the thing ..."
Hardware vs. Software: A New Perspective
In this segment, Eagleman discusses the limitations of viewing the brain through the lens of hardware and software. He explains how the brain's adaptability challenges traditional engineering principles, suggesting that future technologies may need to embrace a more fluid and dynamic approach. This conversation delves into the complexities of brain function and the potential for innovation in engineering.
"how much of the malleability is hardware how much software is that useful at all in the brain so like what what are we talking about so there's like there's neurons there's uh synapses and the all kin..."
Brain-Computer Interfaces: Bridging the Gap
Eagleman explores the exciting field of brain-computer interfaces (BCIs) and their potential to enhance human capabilities. He discusses the challenges and opportunities presented by BCIs, including how they may allow the brain to adapt to new technologies. This segment highlights the intersection of neuroscience and technology, emphasizing the transformative possibilities of BCIs.
"but let me ask the the highest challenge the interesting challenge to this uh plasticity to this uh livewear system uh if we could talk about brain computer interfaces and neurolink what are your thou..."
Neuroplasticity in 2020: A Unique Challenge
Eagleman reflects on the challenges posed by the year 2020 to neuroplasticity. He discusses how external factors, such as the pandemic, can influence the brain's adaptability and learning processes. This segment provides insight into the current state of neuroscience and the importance of understanding how environmental changes affect brain function.
"well that's uh okay first of all that pain's really promising and beautiful for some reason really optimistic picture that you know our brain is able to to adjust to so much um you know so many things..."
The Concept of Free Will
In this thought-provoking segment, Eagleman delves into the philosophical implications of neuroplasticity on the concept of free will. He examines how our understanding of brain function may challenge traditional notions of autonomy and decision-making. This discussion invites listeners to reconsider the nature of choice and agency in light of neuroscientific findings.
"this is this is a great apologize for the for the absurd high-level philosophical questions no these are my favorite kind of questions here's the thing here's the thing we don't know if you ask most n..."
Exploring the Nature of Evil
Eagleman addresses the complex topic of evil from a neuroscientific perspective. He discusses how understanding the brain's mechanisms can shed light on behaviors traditionally labeled as evil. This segment encourages a nuanced view of morality and the factors that contribute to harmful actions, emphasizing the role of neuroplasticity in shaping behavior.
"yet let me kind of ask a weird maybe a difficult question part of the it has to do with i've been recently reading a lot about world war ii i'm currently reading a book i recommend for people which is..."
The Role of Psychiatry in Understanding the Brain
In this segment, Eagleman discusses the intersection of psychiatry and neuroscience, highlighting how advancements in understanding the brain can inform mental health treatment. He emphasizes the importance of integrating neuroplasticity into psychiatric practices to better address mental health challenges. This conversation underscores the evolving nature of psychiatry in light of new scientific insights.
"have uh you have a good light bulb joke uh how many psychiatrists does it take to change a light bulb only one but the light bulb has to want to change i'm sorry i'm a sucker for a good light bulb oka..."
GPT-3: A Leap in AI Technology
Eagleman shares his thoughts on GPT-3, a groundbreaking AI language model, and its implications for understanding intelligence. He discusses how advancements in AI can inform our understanding of human cognition and the brain's capabilities. This segment explores the relationship between artificial intelligence and neuroplasticity, raising questions about the future of both fields.
"ask you i don't know if you're paying attention to machine learning world and gpt3 so the gpt3 is this language model this neural network that's able to uh it has 175 billion parameters so it's very l..."
Intelligence in the Brain: A Complex Landscape
Eagleman examines the nature of intelligence and how it manifests in the brain. He discusses the various factors that contribute to cognitive abilities and the role of neuroplasticity in shaping intelligence over time. This segment provides a deeper understanding of the complexities of intelligence and its relationship with brain function.
"brain again this may be going into speculation land i hope you go along with me is uh okay so the brain seems to be intelligent and our ai systems aren't very currently so where do you think intellige..."
Neosensory: Innovations in Sensory Technology
In this segment, Eagleman introduces Neosensory, a company focused on developing technology that enhances sensory experiences. He discusses how innovations in sensory technology can leverage neuroplasticity to improve human perception. This conversation highlights the potential for technology to augment our sensory capabilities and reshape our interactions with the world.
"by the way so there was something that i meant to mention earlier if you don't mind going back which is this when we were talking about bci um so i don't know if you know this but what i'm spending ni..."
Book Recommendations for Curious Minds
Eagleman shares his favorite book recommendations, emphasizing works that explore the brain, consciousness, and human experience. This segment encourages listeners to delve deeper into the topics discussed throughout the podcast and expand their understanding of neuroscience and psychology.
"about uh what you know brilliant folks like yourself uh could recommend in terms of books of course you're an author of many books so i'll in the introduction mention all the books you've written peop..."
The Meaning of Life: A Neuroscientific Perspective
Eagleman reflects on the meaning of life from a neuroscientific standpoint. He discusses how our understanding of the brain can inform our views on purpose and existence. This segment invites listeners to contemplate the deeper questions of life through the lens of neuroscience.
"book livewire with a quote by heidegger every man is born as many men and dies as a single one well what do you mean or what i'll tell you what i meant by it yeah i'll tell you so he he had his own re..."
Advice for Young People: Embracing Change
In the final segment, Eagleman offers advice for young people navigating a rapidly changing world. He emphasizes the importance of adaptability and lifelong learning in the face of uncertainty. This conversation serves as an inspiring conclusion, encouraging listeners to embrace change and cultivate their own neuroplasticity.
"so you've uh i think just in your eyes in your work there's a passion uh that just is obvious and it's inspiring it's contagious what um if you were to give advice to us a young person today in the cr..."
The Numinous Experience of Understanding
In a thought-provoking conclusion, Eagleman reflects on the nature of consciousness and the intricate workings of the brain. He describes the awe-inspiring experience of understanding the biological basis of our thoughts and emotions, suggesting that this understanding surpasses traditional religious narratives. This segment encapsulates the essence of Eagleman's work and the profound implications of neuroscience.
"exactly i don't think there's a more uh beautiful way to end it david it's a huge honor to finally meet you your work is inspiring so many people i've talked to so many people who are passionate about..."