Optimize Your Learning & Creativity With Science-Based Tools

Name: Optimize Your Learning & Creativity With Science-Based Tools
Uploaded: 2021-02-22T13:00:15.000Z
Duration: 3 h 35 s

Introduction and Sponsorship

In this section, Andrew Huberman introduces himself and the podcast. He also thanks the sponsors of the podcast, InsideTracker, Athletic Greens, and Madefor.

Introduction

Andrew Huberman is a professor of neurobiology and ophthalmology at Stanford School of Medicine.

The podcast aims to provide science-based tools for everyday life.

Sponsorship

InsideTracker

InsideTracker analyzes data from blood and DNA to help understand health needs.

They have an easy-to-use dashboard that informs about lifestyle choices such as exercise or nutrition.

To try InsideTracker, go to insidetracker.com/huberman and use code "Huberman" at checkout for 25% off any program.

Athletic Greens

Athletic Greens is an all-in-one vitamin mineral probiotic drink that simplifies nutritional intake.

It tastes good and includes probiotics important for gut microbiome.

To try Athletic Greens, go to athleticgreens.com/huberman for a special offer including a year supply of liquid vitamin D3 K2 and five free travel packs.

Madefor

Madefor is a behavioral science company that makes positive changes easy through monthly programs.

The company was founded by former Navy SEAL Patrick Dossett and Toms founder Blake Mycoskie.

To check out Madefor, visit their website.

Introduction to Neuroplasticity

In this section, Dr. Huberman introduces the concept of neuroplasticity and how it can be used to optimize our brains.

Understanding Neuroplasticity

Neuroplasticity is the ability of our nervous system to change itself in ways that we consciously decide.

This feature is unique to our nervous system and allows us to direct changes through conscious thought or feedback from others.

Plasticity is not the goal but rather a state or capacity for our nervous system to change.

The real question is what are you trying to change? Specific end goals might be extremely specific or more general.

Optimizing Your Brain

Achieving plasticity is the first step in optimizing your brain.

It's important to note that you don't want your brain to be plastic all the time as it would disrupt continuity in life.

Conclusion

In this section, Dr. Huberman emphasizes that plasticity should not be the goal but rather a means towards achieving specific end goals. He also shares some of his typical routines and tools for optimizing his own brain.

Using Plasticity for Specific End Goals

Plasticity should always be directed towards achieving specific end goals such as learning a new language, motor skill, or getting better at calculus.

It can also be used for more general goals such as being more creative, achieving more focus, or being less stressed.

Dr. Huberman's Routines and Tools

Dr. Huberman shares his routines and tools not because they are the only ones available but because many people have asked for concrete examples of what he does.

He emphasizes that everyone is different and there are some common features of how we are all put together at the level of the nervous system and body that direct us towards particular practices and routines that can be especially powerful for neuroplasticity.

Dr. Huberman concludes by emphasizing that plasticity should always be directed towards specific end goals, and not seen as an end in itself.

Introduction to Brain Plasticity

In this section, Dr. Huberman introduces the concept of brain plasticity and explains the different forms of plasticity that exist within the nervous system.

Forms of Plasticity

There are several forms of plasticity, including long-term potentiation, long-term depression, and spike-timing-dependent plasticity.

Short-term plasticity refers to any kind of shift that you want to achieve in the moment or in the day but don't necessarily want to hold on to forever.

Medium-term plasticity involves changes that you might want to make for a specific period but not embed in your memory too long.

Long-term plasticity is almost always the big goal. It's about making changes so that your brain reflexively works differently.

Optimizing Brain Function

Most people aim for long-term plasticity when trying to optimize their brain function. They want their brains to work differently without having to put much work into it.

Short-term protocols can be used for immediate shifts such as becoming more alert at a time when you're usually not alert.

Medium-term protocols can be useful for learning something new temporarily like navigating around a new place while on vacation.

Cellular Phenomenon

Different systems within the nervous system are available for plasticity, which have names like long-term potentiation and depression. These names describe cellular phenomena related to how synapses between neurons change.

Conclusion

In this section, Dr. Huberman concludes by summarizing what was covered in this episode and what will be covered in future episodes.

Recap

Dr. Huberman discussed the different forms of plasticity and how they can be used to optimize brain function.

Short-term, medium-term, and long-term protocols were explained as tools for achieving different types of plasticity.

Cellular phenomena related to how synapses between neurons change were also briefly mentioned.

Future Episodes

Dr. Huberman mentions that he will revisit some of the protocols discussed in previous episodes in future episodes.

Autonomic Arousal and Neuroplasticity

This section discusses the relationship between autonomic arousal, sleep, and neuroplasticity. It emphasizes that high focus and alertness states trigger plasticity in learning, but the actual rewiring of brain connections happens during non-sleep deep rest and deep sleep.

Autonomic Arousal System

The autonomic arousal system is a system of neurons in our brain and body that wakes us up and makes us alert.

Accessing this system is necessary to access plasticity and optimize our brain.

Not being able to match our hard-wired needs for sleep can make us feel groggy even if we get enough sleep.

Sunlight Exposure

Getting sunlight exposure in the first 30 minutes of the day helps wake us up by activating melanopsin cells in our eyes.

The connections between these cells and the circadian clock are plastic throughout lifespan, allowing for short-term plasticity.

Timing Sleep

Timing sleep is important for accessing neuroplasticity.

Natural circadian rhythms may differ from person to person, so it's important to find what works best for you.

Getting light in the late afternoon can help shift your cycle a little bit longer.

Short-Term Plasticity

This section discusses how short-term plasticity occurs through changes in connections between melanopsin cells and the circadian clock.

Changing Connections

Connections between melanopsin cells and the circadian clock are changing all the time every 24-hour cycle, allowing for short-term plasticity.

Other aspects of the brain that represent who we are or what our name is also change every 24-hour cycle.

Sunlight Exposure

Getting sunlight exposure in the first 30 minutes of the day helps wake us up by activating melanopsin cells in our eyes.

The connections between these cells and the circadian clock are plastic throughout lifespan, allowing for short-term plasticity.

Astrocytes

Astrocytes, a type of glial cell, actively remove and reinforce connections between the eye and circadian clock every day.

Optimizing Your Brain

In this section, the speaker discusses how to optimize your brain by using sunlight exposure and delaying caffeine intake.

Sunlight Exposure

The circadian clock becomes stronger for the anticipation of light when it is regularly exposed to sunlight.

Short-term plasticity occurs if you don't get regular sunlight exposure. This means that the system will shift back after two or three days.

Get regular sunlight exposure to reinforce the neural circuit between the circadian clock and cortisol released in the adrenals.

Delaying Caffeine Intake

Delay caffeine intake for at least two hours after waking up to capture and reinforce the neural circuit between the circadian clock and cortisol released in the adrenals.

If you ingest caffeine too early, there's a mechanism by which adenosine competes for receptors, leading to a mid-morning crash.

Delaying caffeine intake helps leave adenosine receptors unoccupied so that you can use caffeine later to get a natural lift in alertness and focus.

Hydration

Dehydration can make people have headaches and provide additional photophobia for those who are migraine-prone. Drink water first thing in the morning.

Conclusion

In this section, the speaker concludes his discussion on optimizing your brain by discussing his personal preferences regarding coffee consumption.

Coffee Consumption

Black coffee is a simple choice that has always worked for him.

Drinking other types of coffee mixed with other things may increase focus, but black coffee is his personal preference.

Delaying caffeine intake for the first two hours of the day helps to naturally wake up without caffeine.

The Best Time for Strategy Implementation

In this section, the speaker discusses the best time for strategy implementation and how our alertness affects our ability to perform cognitive tasks.

States of High Alertness

States of high alertness are great for strategy implementation when we already know how to do something.

Autonomic arousal or alertness is at a high level in states of high alertness.

Early morning, right after waking up, is a great time to move into things that we already know and have the strategy for.

The Best Time for Learning

Creativity-related tasks come best to us when we're in states of calm or slightly drowsy.

Mid-morning is when many people tend to achieve their peak in alertness and focus.

Eliminating background noise and getting silence can be helpful if our lack of focus is because our autonomic arousal or alertness is very high.

Background Noise and Learning

In this section, the speaker talks about whether background noise helps with learning and what governs its effectiveness.

Using Background Music for Learning

Some people can tolerate their own noise within their head much better than others.

Having some background noise can help cancel out internal distractions.

Background music/noise can be helpful or distracting depending on what's causing the lack of focus.

The Go-No Go Circuit

If you're too keyed up, then silence and quiet are going to be helpful.

A particular circuit related to the basal ganglia starts getting triggered more easily when you're very keyed up.

The go-no-go circuit connects our forebrain (involved in rational thought) with our basal ganglia (involved in planning action).

Understanding Basal Ganglia Pathways

In this section, the speaker explains the basal ganglia and its pathways.

The Basal Ganglia and Cortex

The basal ganglia is a collection of structures that are intimately involved in planning and implementing actions.

There's a reciprocal loop of communication between the basal ganglia and cortex.

Dopamine triggers the activation of go, making us want to do more things.

D1 Receptors

Dopamine binds to something called D1 receptors.

The no-go pathway in the basal ganglia is involved in inhibiting action.

Understanding Autonomic Arousal and Learning

In this section, the speaker explains how autonomic arousal levels affect learning and the ability to suppress actions. He also discusses the role of dopamine in biasing individuals towards action or suppression.

Autonomic Arousal Levels

Doing focused work, accessing plasticity, and learning involve doing certain things and not doing others.

Autonomic arousal level of alertness biases the extent to which we are more prone to go (action) or no-go (suppress action).

There are three levels of autonomic arousal: biased towards go, biased towards no-go, or both.

The Role of Dopamine

Dopamine is a molecule that biases us towards one response or another.

When very alert, individuals tend to be biased towards action but less good at suppressing actions they need to suppress.

Being biased toward action and being biased toward suppressing action are two different things.

The next level down from being very alert is clear, calm, and focused where there is a sweet spot between willingness to pursue action and ability to suppress it.

Applying Knowledge for Optimal Learning

When very alert, silence is optimal for learning as it shuts down the go pathway towards distraction.

Shutting down internet access and turning off phones can help reduce distractions during periods of high alertness.

The Impact of Autonomic Arousal on Learning

In this section, the speaker discusses how autonomic arousal affects learning and the importance of silence for optimal learning.

Autonomic Arousal and Learning

Mental fatigue can accumulate due to the metabolically consuming pathways of go, no-go.

Low arousal individuals benefit from background noise to elevate their level of autonomic arousal.

High energy individuals benefit more from learning to activate the no-go pathway.

Calm individuals are less flappable and not easily distracted by background noise.

Salience Network and Alertness

Our auditory and visual systems are linked in the salience network, which scans our environment for things.

Environments with few objects tend to make us feel calm because our salient network shuts off.

Each person tends to ride up and down the autonomic ladder at different times a day.

Exercise and Learning

Exercising early in the day triggers neuromodulators that lend itself to heightened levels of arousal and mental acuity in late morning/afternoon.

Early morning exercise within an hour of waking gives more energy throughout the day.

Timing of Nutrition and Alertness

In this section, the speaker discusses how timing of nutrition affects alertness. He explains that exercising early in the day can lead to a crash afterwards if it is very intense and depletes all glycogen. Fasted states and low carbohydrate states lend themselves to alertness while carbohydrates tend to make people feel sleepy.

Effects of Food on Autonomic Arousal

Eating shifts us more towards a state of calm while fasting shifts us more towards a state of alertness.

Ingesting large amounts of any kind of food will divert blood to your gut, making you generally feel more sleepy.

Many people use food to modulate their levels of autonomic arousal.

Speaker's Personal Routine

The speaker relies on water, mate, and black coffee first thing in the day in order to exercise and get into the first round of work.

Drinking salt water first thing in the morning keeps his levels of alertness really good.

The speaker typically eats his first meal right around mid-day consisting mainly of low carbohydrate meals such as meat or salad with nuts and fats.

Fasting for Focus

In this section, the speaker talks about whether fasting is good for focus. He explains that fasting increases alertness but if you're too hungry or preoccupied with food that you can't focus well then it's not going to be good for learning.

Speaker's Experience with Fasting

The speaker experiences getting groggy and a little bit sleepy around 2:00 or 3:00 PM.

He tends to shift his work from work that requires a lot of focus during this time.

Conclusion

In this section, the speaker concludes by saying that everyone is different and what works for him may not work for others. He encourages people to experiment with their own routines and consult with their doctors before making any changes to their diet or exercise routine.

Final Thoughts

Fasting can be good for focus but it's important to find a routine that works best for you.

Experimenting with your own routine is key to finding what works best for you.

Afternoon Routine

In this section, the speaker discusses their afternoon routine and how they manage to stay productive throughout the day.

Mundane Tasks

Around early afternoon, the speaker finds that they can do typical mundane tasks as those require less cognitive load.

Hydration and Deep Rest Protocol

The speaker hydrates in the afternoon and refrains from drinking coffee. They also do a non-sleep deep rest protocol sometime in the afternoon for about 30 minutes.

The non-sleep deep rest protocol helps with enhancing and accelerating plasticity. It also helps with falling asleep later at night.

Second Bout of Learning

After emerging from the non-sleep deep rest, the speaker does a second bout of learning that is caffeine-free.

This bout of learning is different than the morning one and tends to be more creative work.

Creativity

Creativity involves taking existing elements and rearranging them in ways that are novel. It has two parts: creative discovery mode and linear implementation mode.

The first part of actively exploring different configurations is facilitated by being relaxed and almost sleepy.

Creativity and Substance Use

In this section, the speaker discusses creativity and substance use. He explains that science is a creative endeavor that requires imagining novel concepts and ways of arranging things. While some people rely on substances to access creative states, the speaker notes that substances may not be effective for linear implementation mode.

Substances and Creativity

Many people rely on substances to access creative states.

The speaker does not use marijuana or alcohol for a variety of reasons.

Substances that relax people may allow them to get into a creative brainstorming mode but are not good for linear implementation mode.

Spike Jones' Perfume Ad

The speaker talks about an amazing perfume ad made by Spike Jones.

The ad involves different speeds of motion and effects, which required a lot of work to create.

Some people have incredible minds for ideas but struggle with accessing the implementation state.

Linear Implementation vs Creative State

Some people are good at linear implementation while others excel in accessing the freer kind of looser mindset associated with fatigue.

Alertness generally leads to good linear implementation, while relaxation tends to favor creativity and novel configurations of existing elements.

Psychedelics

The speaker plans to talk to experts on psychedelics in future discussions.

Psychedelics and Creativity

In this section, the speaker discusses his stance on psychedelics and their potential role in creativity. He explains how psychedelics work and why they may not necessarily lead to creative works.

Psychedelics and the Brain

The young brain is naturally in a psychedelic state due to neuroplasticity.

Psychedelics can be detrimental to the developing brain, especially for people with preexisting psychological issues.

Psychedelics unleash sensory processing and make it less filtered, leading to sensory blending.

Sensory blending itself is not a creative process as it does not involve novel configurations of elements.

Psychedelics and Creativity

Psychedelics do allow for more lateral connectivity between different brain areas, which can speak to creativity in principle.

However, simply opening up the creative thinking process through novel associations is not sufficient for creativity. Creative works involve reconfiguring things in a way that makes sense to the observer.

Most cases of psychedelic use have nothing to do with creative implementation.

There may be some excellent roles for certain psychedelics in certain clinical contexts under the supervision of a psychiatrist.

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