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Matt Botvinick: Neuroscience, Psychology, and AI at DeepMind | Lex Fridman Podcast #106
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Matt Botvinick is the Director of Neuroscience Research at DeepMind. He is a brilliant cross-disciplinary mind navigating effortlessly between cognitive psychology, computational neuroscience, and artificial intelligence. Support this podcast by supporting our sponsors: - The Jordan Harbinger Show: https://www.jordanharbinger.com/lex - Magic Spoon: https://magicspoon.com/lex and use code LEX at checkout EPISODE LINKS: Matt's papers: https://scholar.google.com/citations?user=eM916YMAAAAJ 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 3:29 - How much of the brain do we understand? 14:26 - Psychology 22:53 - The paradox of the human brain 32:23 - Cognition is a function of the environment 39:34 - Prefrontal cortex 53:27 - Information processing in the brain 1:00:11 - Meta-reinforcement learning 1:15:18 - Dopamine 1:19:01 - Neuroscience and AI research 1:23:37 - Human side of AI 1:39:56 - Dopamine and reinforcement learning 1:53:07 - Can we create an AI that a human can love? 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
Introducing Matt Botvinick
In this segment, Lex Fridman introduces Matt Botvinick, the Director of Neuroscience Research at DeepMind. He highlights Botvinick's expertise in cognitive psychology, computational neuroscience, and artificial intelligence, setting the stage for a deep dive into the intersection of these fields.
"the following is a conversation with Matt Botvinnik director of neuroscience research deep mind he's a brilliant cross-disciplinary mind navigating effortlessly between cognitive psychology computatio..."
Understanding the Brain's Complexity
Matt Botvinick discusses the current understanding of the human brain, emphasizing the high-level insights we have versus the coarse details we still lack. He explains the gap between functional understanding and the mechanistic details of neuronal activity, illustrating the challenges in neuroscience today.
"I'm on if you enjoy this podcast subscribe on youtube review it with five stars set up a podcast follow on Spotify support on patreon or connect with me on Twitter at Lex Friedman spelled surprisingly..."
The Interplay of Psychology and Neuroscience
In this segment, Botvinick explores the relationship between psychology and neuroscience, arguing that understanding the brain's function is essential for both fields. He draws parallels between studying the brain and other organs, emphasizing the importance of behavior in neuroscience research.
"much of the human brain do you think we understand I think we're at a weird moment in the history of neuroscience in the sense that there's a there I feel like we understand a lot about the brain at a..."
Metaphors in Cognitive Psychology
Botvinick reflects on the use of metaphors in cognitive psychology, discussing how they help explain complex mental processes. He compares the historical development of genetics to cognitive psychology, highlighting the importance of metaphorical frameworks in advancing scientific understanding.
"kind of talked about this bridging at the gap between psychology in neuroscience but do you think it's possible like my love is like I fell in love with psychology and psychiatry in general with Freud..."
The Role of Neurons in Behavior
In this segment, Botvinick emphasizes the significance of neuronal interactions in understanding behavior. He argues that while psychological phenomena can be described at a high level, grounding these concepts in neural mechanisms is crucial for a comprehensive understanding of the mind.
"question but what what idea in the space of neural size in the space of the human brain is to use the most beautiful mysterious surprising what what had always fascinated me even when I was a pretty y..."
Bridging Psychology and Neuroscience
Botvinick discusses the potential for bridging the gap between psychology and neuroscience, emphasizing that understanding mental processes requires insights from both disciplines. He reflects on his own journey from psychology to neuroscience and the value of integrating these fields.
"you know if you take an introductory computer science course and they are introducing you to the notion of Turing machines one way of articulating what the significance of a Turing machine is is that ..."
Neuropsychology and Language
In this segment, Botvinick shares his admiration for neuropsychology, particularly how it analyzes behavior in individuals with brain damage. He highlights the creative experimentation in this field that leads to a deeper understanding of language processing and cognitive functions.
"into another beautiful world which is the actual mechanics the dirty mess of it of the human brain is is there something for people who might not know is there something in common or describe the key ..."
The Evolution of Cognitive Science
Botvinick reflects on the evolution of cognitive science and its relevance to AI research. He discusses how traditional psychological methods are becoming increasingly interesting to AI researchers, showcasing the interdisciplinary nature of modern cognitive studies.
"kind of mention information just to get a sense I imagine something that there's still mystery and disagreement on is how does the brain carry information and signal like what in your sense is the bas..."
The Beauty and Limitations of Psychology
In this segment, Botvinick shares his thoughts on the beauty and limitations of psychology as a discipline. He expresses disappointment in the controlled nature of psychological studies and advocates for more naturalistic approaches to studying human behavior.
"you have co-authored several recent papers that sort of weave beautifully between the world of neuroscience and artificial intelligence and this maybe if we could can we just try to dance around and t..."
The Future of Psychological Research
Botvinick discusses the exciting potential of modern technology to enhance psychological research. He highlights the value of analyzing large datasets from social media and other platforms to gain insights into human behavior in real-world contexts.
"bit about dopamine you have really you're a part of co-authoring really exciting recent paper very recent in terms of release on dopamine and temporal difference learning can you describe the key idea..."
AI and the Human Mind
In this segment, Botvinick explores the relationship between artificial intelligence and the human mind. He discusses the implications of AI research for understanding cognitive processes and the potential for AI to inform psychological theories.
"parts of your brain this is very meta but they're able to both think about neuroscience and AI you know I don't often meet people like that do you do you think let me ask a meta plasticity question yo..."
Dopamine's Role in Learning
Botvinick delves into the role of dopamine in reinforcement learning, discussing its significance in both neuroscience and AI. He explains how understanding dopamine's function can enhance our knowledge of learning processes in both humans and machines.
"them I like probably the deepest passion for me what I would say maybe who kind of spoke off mic a little bit about it but that that I think is a blind spot for at least robotics and AI folks is human..."
Creating Lovable AI
In this thought-provoking segment, Botvinick poses the question of whether we can create an AI that humans can love. He discusses the ethical and emotional implications of developing AI systems that can engage with human emotions and relationships.
"paper talk about dopamine oh yeah okay so I can let's we were gonna we were gonna I was gonna give you a quick summary here's a quick summary of uh what's the title of the paper I I think we called it..."
The Quest for Warmth in AI
Exploring the emotional dimensions of AI, Botvinick discusses the importance of warmth and connection in human-AI interactions. He raises questions about how to engineer AI systems that can display caring behavior and foster genuine connections with humans.
"that's going to lead to a focus on abstraction it's gonna lead to a focus on what in psychology we call cognitive control which is the ability to switch between tasks the ability to quickly put togeth..."
The Mystery of Consciousness
In a reflective conclusion, Botvinick contemplates the nature of consciousness and the universe's self-awareness. He shares a poetic perspective on the human brain's ability to ponder its existence and the profound mystery of consciousness.
"statement this is what humans seem this is these are the two dimensions that people seem to kind of like along which people size other people up in an in AI research we really focus on this capability..."