What are the potential applications of high-bandwidth brain data?

High-bandwidth brain data can enable personal self-understanding, similar to a Fitbit but with much greater resolution, helping individuals optimize sleep, diet, and focus. It can also serve as a tool for large-scale scientific studies of human behavior and cognition, moving towards a 'formal engineering of cognition' in society.

How does Bryan Johnson approach the challenge of finding a 'killer app' for brain interfaces?

Bryan Johnson and Kernel are not focused on an immediate 'killer app.' Instead, they aim to build accessible, high-quality technology that meets mass-market criteria (cost, comfort, contextual wearability). The approach is an 'algorithm of discovery,' populating an ecosystem with devices and allowing human collective experimentation to organically uncover impactful applications over time.

How can brain data improve personalized experiences, such as meditation or daily routines?

Brain data can provide contextually relevant information, such as optimal settings, time of day, or pre-conditions (food, blood glucose, sleep quality) for activities like meditation or deep work. This allows for the creation of more effective, personalized products and experiences tailored to an individual's unique brain state and needs, promoting self-awareness and improvement.

What is Bryan Johnson's diet and how does it influence his health and mental clarity?

Bryan Johnson consumes one meal a day, typically a 'super veggie' pudding and 'nutty pudding' (vegan, blended vegetables and nuts) around 8:30 AM after a workout. This protocol, informed by tracking over 200 biomarkers, optimizes for low resting heart rate and high HRV during sleep, leading to better willpower and mental performance throughout the day by ensuring minimal digestion at bedtime.

What is 'zeroth principle thinking' and how does it differ from 'first principles'?

First principles involve deducing from fundamental truths, eliminating impossibilities. Zeroth principle thinking, inspired by the discovery of the number zero, refers to ideas so revolutionary they aren't yet building blocks of our shared reality. It's about questioning the 'impossible' and seeking insights as profound as Einstein's relativity or AlphaGo's moves.

How does Bryan Johnson view the human conscious mind in decision-making, particularly regarding health?

Bryan Johnson advocates for 'firing the conscious mind' from primary decision-making roles, especially for health. He believes the conscious mind is fickle, biased, and prone to momentary emotions (like appetite or depression), leading to suboptimal choices. Instead, he relies on data from biomarkers to objectively guide his diet and lifestyle.

How does Bryan Johnson think about privacy and control concerning personal brain data?

He believes the internet started with a 'bad' data model where companies collected information without explicit consent. For brain data, he advocates for individuals to always have control—including the ability to delete data, know who it's shared with, and under what terms. This establishes clear rules of play for a more stable and ethical data economy.

What is the difference between Kernel's and Neuralink's approach to brain interfaces?

Kernel focuses on non-invasive technologies like Kernel Flow (spectroscopy) and Kernel Flux (MEG), which are designed for mainstream accessibility and lower resolution whole-brain data. Neuralink, founded by Elon Musk, pursues invasive technology requiring surgical implants to achieve higher-resolution data from specific brain regions.

What was Bryan Johnson's experience climbing Mount Kilimanjaro?

During a period of personal crisis (ending marriage, leaving religion, depression, selling Braintree), Johnson climbed Kilimanjaro. He endured stomach flu and altitude sickness but pushed through with the help of his guide. Reaching the summit, he cried and experienced a profound transformation, leading him to reconstruct his life and understanding of reality.

How does cryptocurrency relate to the concept of 'demoting the conscious mind' and designing autonomous systems?

Bryan Johnson views cryptocurrency as an 'autonomous self' system for value exchange, mirroring his personal demotion of the conscious mind in diet. It's methodical, structured, accountable, and transparent, introducing a scaffolding for next-generation societal institutions that are less susceptible to individual human biases, politics, and power.

What is Bryan Johnson's ultimate objective in his life and work, beyond financial success?

After achieving financial independence with Braintree, Johnson set out to find the single thing that would maximally increase the probability of the human race thriving, from the vantage point of centuries into the future. He aims to enable an evolved form of consciousness that is currently unidentifiable, prioritizing this aspiration above momentary personal joys.

What is the meaning of life according to Bryan Johnson in this current era?

He believes the meaning of life in this moment involves building a future state of existence that is more fantastic than currently imaginable, a striving for something bewildering. It's about goal alignment—negotiating our conscious and unconscious existence with intelligent systems (AI, planet Earth)—and playing 'infinite games' to keep progressing as opportunities arise due to rapidly changing possibilities.

Key Moments

Bryan Johnson: Kernel Brain-Computer Interfaces | Lex Fridman Podcast #186

Lex Fridman

Science & Technology5 min read152 min video

May 24, 2021|487,747 views|10,510|950

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Key Moments

TL;DR

Bryan Johnson discusses Kernel's brain-computer interfaces, the future of intelligence, and optimizing life through data.

Key Insights

Kernel's non-invasive brain interface technology (Flow) measures brain activity via spectroscopy, offering a comfortable and accessible way to collect high-bandwidth neural data.

The future of human existence is framed as a 'goal alignment problem' driven by decreasing costs of intelligence and the increasing complexity of systems.

Data-driven self-optimization, starting with diet and sleep, can lead to profound improvements in physical and mental well-being, moving beyond conscious intuition.

Brain interfaces could revolutionize mental health treatment and scientific research by providing objective data on cognitive states and responses to interventions.

The concept of 'zeroth principle thinking' involves exploring revolutionary, civilization-transforming ideas that are currently outside our established understanding.

The future of human consciousness may involve engineering consciousness, enhanced human-machine interaction, and evolving into unrecognizable forms of intelligence.

KERNEL'S NON-INVASIVE BRAIN INTERFACE TECHNOLOGY

Bryan Johnson introduces Kernel's "Flow" device, a non-invasive brain interface that utilizes spectroscopy to measure brain activity. Unlike bulky or painful methods like fMRI or EEG, Flow is comfortable and can be used in everyday environments. It works by detecting changes in blood oxygenation caused by neuronal firing, providing a high-bandwidth data stream of cortical activity. This technology aims to make brain activity measurement accessible, moving beyond the traditional focus on control to a new paradigm of measurement and understanding.

THE PROMISE OF QUANTIFYING COGNITION

Johnson emphasizes that the true potential of brain interfaces lies in quantifying cognition and the internal states of the mind. This rich data stream offers a more complete picture of human experience than words or actions alone. The ability to record this information in high bandwidth allows for a deeper understanding of oneself, akin to feeling truly 'heard' by a system. This opens up possibilities for personal insights, scientific discovery, and the potential to create products that significantly improve human life by offering unparalleled self-awareness.

ENGINEERING CONSCIOUSNESS AND THE FUTURE OF INTELLIGENCE

The conversation delves into the future of intelligence, positing that the cost of designing, manufacturing, and distributing intelligence is heading towards zero. This trend, combined with our ability to enhance human intelligence through technology, leads to a 'goal alignment problem.' Johnson believes the future involves negotiating the terms of intelligent existence by aligning conscious and unconscious aspects of ourselves and our interactions with increasingly intelligent agents. We are likely to evolve into novel forms of consciousness, potentially unrecognizable from our current state.

DATA-DRIVEN OPTIMIZATION OF LIFE

Johnson advocates for a data-driven approach to life optimization, moving away from reliance on conscious intuition. He shares his personal journey of tracking over 200 biomarkers and letting this data guide his diet and lifestyle, a process he calls 'goal alignment.' This method, including optimizing sleep for willpower and mental performance, drastically improves health and well-being. He contrasts this with the unreliability of conscious decision-making, especially at night or during moments of fatigue, emphasizing the power of objective data to guide better choices.

ZEROTH PRINCIPLE THINKING AND REVOLUTIONARY IDEAS

Johnson introduces 'zeroth principle thinking,' a concept he developed alongside first principle thinking. While first principles break down systems to their fundamental laws, zeroth principles focus on identifying truly revolutionary, civilization-transforming ideas that are currently outside our established understanding, such as the discovery of zero or Einstein's theories. He argues that with increasing computational intelligence and closer human-computer interfaces, we will see more 'zeroth' level insights emerging, making it impossible to predict the future solely with first principles.

THE EVOLUTION OF PAYMENTS AND CRYPTOCURRENCY

Johnson recounts his experience building Braintree, emphasizing the vision of creating software engineers would love and the strategic acquisition of Venmo. He sees parallels between the evolution of payments and the potential of cryptocurrency, which offers a methodical, structured, and transparent system. He believes cryptocurrency's principles can be applied broadly, enhancing brain interface technology and creating more robust societal institutions. This shift represents a 'demotion of the conscious mind' in favor of data-driven systems, similar to his approach to personal optimization.

THE CHALLENGE OF APPROACHING BRAIN INTERFACES

The discussion contrasts Kernel's non-invasive approach with Elon Musk's Neuralink, which uses invasive implants. Johnson explains that Kernel initially explored invasive technologies but shifted to non-invasive methods to achieve mainstream adoption, viewing hardware as an enabler for a larger ecosystem. He likens this to the early internet, where dial-up connections paved the way for broader utility. While both paths are promising, their long-term success remains uncertain, with the ultimate goal being the widespread adoption and value creation derived from understanding the brain.

MEANING OF LIFE AND THE PURSUIT OF INFINITE GAMES

Johnson defines the meaning of life in the current era as the scaffolding of higher-dimensional intelligence, moving towards a state where the cost of intelligence is zero. This leads to a 'goal alignment problem' and the aspiration to understand reality more deeply. He calls for playing 'infinite games,' which involves striving for states of existence that defy expectations, rather than focusing on short-term gains or conventional success metrics. This perspective encourages pushing boundaries and exploring possibilities that align with long-term, transformative potential.

ADVICE FOR YOUNG PEOPLE AND EMPATHETIC UNDERSTANDING

Johnson advises young people to listen to advice with careful examination, understanding the 'assumption stack' of the person giving it, rather than just adopting their prescriptions. True value lies in understanding the journey and context that led to the advice. He emphasizes the importance of empathy, both in seeking and giving guidance, recognizing that each individual possesses a unique 'brain' and perspective. This approach fosters deeper connections and more meaningful support, moving beyond surface-level tips.

THE ROLE OF STRUGGLE AND THE NATURE OF REGRET

The conversation touches upon the transformative power of struggle, using Johnson's climb of Mount Kilimanjaro as an example. He describes the experience as a 'death match with reality' that led to a profound reconstruction of his life and understanding. He also explores regret, particularly concerning dietary choices like excessive soda consumption, highlighting how minor failures can cascade into a 'mess' of a day. This underscores the complexity of optimizing life and the need to balance structured routines with moments of less rigid adherence.

Mentioned in This Episode

●Products

●Software & Apps

●Companies

●Books

●Concepts

●People Referenced

Bryan Johnson's Principles for Optimal Living

Practical takeaways from this episode

Do This

Track over 200 biomarkers every 90 days to inform diet and health decisions.

Prioritize deep sleep, understanding its direct correlation with impulse control and willpower.

Adopt 'zeroth principle thinking' to challenge assumptions and identify truly revolutionary ideas.

Approach advice by carefully examining the underlying assumption stack, not just taking it at face value.

Cultivate the ability to be sensitive to 'fragile thoughts' by minimizing distractions and optimizing mental states for deep thinking.

Consider a single, well-timed meal (e.g., in the morning after a workout) aligned with your body's optimal digestion and sleep cycle.

Avoid This

Allow the conscious mind to dictate all diet and health decisions, as it can be easily swayed by momentary desires or emotions.

Undervalue brain health; it's the most valuable organ, and modern life's impact on it is largely unknown.

Blindly follow conventional wisdom or 'the smart thing to do' if it prevents fully embracing life's experiences.

Over-optimize life to the point of stifling passion, chaos, or spontaneous freedom, as these can also lead to fulfilling experiences.

Operate with low bandwidth communication (e.g., just text) if higher-dimensional interaction is possible, as it can lead to misunderstanding.

Common Questions

The Kernel Flow is a non-invasive brain interface that uses spectroscopy (similar to lidar on wrists) to image functional brain activity. It measures blood oxygenation levels as neurons fire, providing a real-time feed of cortical brain activity with 52 modules, each containing one laser and six sensors.

Topics

Ai-Ethics Health & Longevity Neuroscience & the Brain Mindset & Self-Improvement Technology & Innovation Brain-computer Interfaces Data-driven Health Longevity Science Personal Optimization Zeroth Principle Thinking Future Of Consciousness

Mentioned in this video

Companies

PayPal

A payment company that acquired Braintree (including Venmo) and was previously owned by eBay, which had stagnant innovation for several years.

Apple

Used as an example of a company that sells devices but also fosters an ecosystem of value creation through developers building on its platform and additional data streams.

For Sigmatic

A sponsor of the podcast mentioned at the beginning and end of the episode.

Airbnb

An early Braintree customer, mentioned as one of the fastest-growing tech companies at the time.

Coinbase

A platform for trading cryptocurrencies, which Braintree was among the first payment companies to integrate formally in 2013.

Braintree

A mobile payment company founded by Bryan Johnson that acquired Venmo and was later acquired by PayPal and eBay.

Uber

An early Braintree customer, mentioned as one of the fastest-growing tech companies at the time.

ExpressVPN

A sponsor of the podcast mentioned at the beginning and end of the episode.

GitHub

An early Braintree customer, mentioned as one of the fastest-growing tech companies at the time.

Neuralink

Elon Musk's company focusing on invasive brain-computer interfaces that require surgery to implant data collection devices directly into the brain.

37signals

An early Braintree customer, now known as Basecamp, mentioned as one of the fastest-growing tech companies at the time.

eBay

An e-commerce company that owned PayPal and later acquired Venmo through Braintree.

Neural Pace

A company that develops implants for seizure detection and remediation, used as an example of the challenges and timelines associated with implantable medical devices.

Google

Acquired Fitbit for $2.5 billion, illustrating that the hardware device itself often constitutes the primary value if no additional ecosystem or data streams are built on top of it.

Concepts

Tanzania

The country where Mount Kilimanjaro is located, and where Bryan Johnson traveled as part of a group raising money for clean water wells.

Drake Equation

A probabilistic argument used to estimate the number of active communicativetail intelligent extraterrestrial civilizations in the Milky Way galaxy, used by Bryan Johnson as an analogy for finding a 'killer app' for brain interfaces.

Kernel Flow

A non-invasive brain interface device developed by Kernel that uses spectroscopy (light-based technology like lidar) to measure functional brain activity, specifically blood oxygenation levels.

Software & Apps

Venmo

A mobile payment service acquired by Braintree and later by PayPal, noted for enabling public financial transactions.

GPT-3

OpenAI's large language model, used as an example of an AI system that could be trained with human brain data to learn social manners or align with specific values like freedom.

Kernel

Bryan Johnson's company that develops devices to monitor and record brain activity, including Kernel Flow and Kernel Flux technologies.

Grammarly

A sponsor of the podcast mentioned at the beginning and end of the episode.

AlphaGo

An AI program that plays the game Go, whose unexpected moves were described as 'zero-like insights' and sparked the idea of computational intelligence introducing revolutionary concepts.

NetSuite

A sponsor of the podcast mentioned at the beginning and end of the episode.

Ubuntu

A Linux-based operating system used on the machine collecting data from the Kernel Flow device during the podcast demo.

Ubuntu MATE

A desktop environment for Ubuntu Linux, mentioned by Lex Fridman as a preferred version.

Waking Up

Sam Harris's meditation app, recommended by Lex Fridman for its effectiveness in removing mental noise.

Basecamp

Formerly 37signals, an early Braintree customer providing project management software.

People

Andrew Huberman

A neuroscientist and friend of Lex Fridman, with whom Lex is working on a paper about eye movement, highlighting the importance of data measurements for understanding human beings.

Jordan Peterson

A psychologist and author known for his carnivore diet, mentioned by Lex Fridman in the context of his own dietary experiments.

Bob Greenberg

Mentioned as having built Second Sight, which worked on optical nerve and cortical arrays for vision restoration, illustrating the long and expensive process of invasive device development.

Sam Harris

An author and neuroscientist whose meditation app 'Waking Up' is used and recommended by Lex Fridman.

William Wallace

A Scottish knight who became one of the main leaders during the Wars of Scottish Independence, referenced through his 'Braveheart' speech by Lex Fridman to illustrate a philosophy of embracing risk over safety.

James Carse

Author of 'Finite and Infinite Games', a book mentioned by Bryan Johnson in the context of life's meaning and the importance of playing infinite games.

Bryan Johnson

Founder of Kernel, a company creating devices that monitor and record brain activity, and previously founder of Braintree, which acquired Venmo and was acquired by PayPal.

Isaac Newton

A physicist and mathematician whose work on classical mechanics provided a foundation upon which Einstein's 'zeroth principle insight' built.

Diane Ackerman

An American poet, essayist, and naturalist, whose quote about the brain as a 'crowded chemistry lab' is used to conclude the podcast.

Albert Einstein

A physicist whose theory of relativity is categorized by Johnson as a 'zeroth principle insight' that fundamentally changed the understanding of reality.

Mel Gibson

The actor who portrayed William Wallace in the film 'Braveheart', mentioned by Lex Fridman when quoting the character's speech.

Cal Newport

An author known for his ideas on 'deep work,' which Lex Fridman practices for enhanced focus and productivity.

Elon Musk

Founder of Neuralink, a company pursuing invasive brain interfaces, and discussed in the context of different technological approaches to brain data.

Products

Kernel Flux

An MEG (Magnetoencephalography) technology developed by Kernel, which is described as providing a higher resolution of brain data compared to Kernel Flow, akin to a 'full movie in 1080p'.

Fitbit

A wearable device that measures basic body metrics like heart rate and sleep, used as an analogy for the potential of brain data.

Crunch

A sugary breakfast cereal used as an example of an impulsive, unhealthy food choice contrasted with data-driven dietary decisions.

Locations

Mount Kilimanjaro

The highest mountain in Africa, which Bryan Johnson climbed during a personally challenging period, marking a transformational moment in his life.

Books

Zero: The Biography of a Dangerous Idea

A book mentioned by Bryan Johnson as his favorite, which influenced his concept of 'zeroth principle thinking' by highlighting how the discovery of zero revolutionized mathematics and philosophy.

Deep Work

A concept promoted by Cal Newport involving focused, distraction-free work sessions to maximize productivity and cognitive output.