It’s Painful, But Will Make You Way More Productive - Dr Andrew Huberman
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Dr. Andrew Huberman emphasizes that understanding the neuroscience behind habit formation provides individuals with greater flexibility and customization compared to relying solely on generic checklists, citing his recent conversation with James Clear as a prime example of this synergy between behavioral advice and biological mechanism. A core argument presented is that focus and attention are heavily dependent on inputs received in the hours or days preceding work; specifically, breaks taken before engaging in cognitive tasks should be "boring" and silent to prevent over-stimulation from interfering with neuroplasticity. Huberman notes that effective learning requires alertness, sleep, and reflection after a task is completed, suggesting that activities like walking away from a desk or sitting on a plane allow the brain to reinforce memories of new information without the constant influx of sensory data provided by smartphones. The discussion delves into the nature of thoughts themselves, drawing heavily on the work of neuroscientist Jenny Groh at Duke University regarding sensory integration and perception. Huberman explains that sensations are physical stimuli converted into electrical signals in the brain, while perception is simply which of those sensations one chooses to attend to. According to this framework, a thought does not emerge from nothing but rather starts with a seed element—a noun or event—and subsequently layers on additional sensory memories such as tactile feelings, visual details, and emotional associations. This process illustrates that thinking is constrained by the number of different senses being processed simultaneously, meaning that an infinite array of competing thoughts often stems from unfiltered sensory inputs flooding the cognitive space before one even attempts to focus. To counteract these distractions, Huberman advocates for actively limiting sensory input prior to beginning work or learning sessions, a practice he describes as making oneself "as bored as possible." He references historical methods where children with attention difficulties were given helmets with eyeholes to restrict their visual field and notes that modern technology has ironically expanded the number of competing thoughts by bringing infinite sensory experiences into our immediate environment through devices. His personal strategy involves creating environments devoid of phones, such as a specific floor in his home or an incandescent light sauna tent without Wi-Fi, where he can focus on basic physiological processes like breathing to quiet the mind and prepare for deep work. Throughout the conversation, Huberman reinforces that all learning is fundamentally "anti-forgetting," supported by data showing that self-testing away from study materials yields significantly better results than repeated exposure or rereading. He references Peter C. Brown's book *Make It Stick* and its concept of repeated recall as a superior method for mastering information compared to passive review, linking this back to the Ebbinghaus forgetting curve. The overarching conclusion is that while behavioral experts like James Clear offer excellent protocols, integrating these with an understanding of sensory processing, neuroplasticity requirements, and active memory retrieval allows individuals to build more robust habits and maintain focus in a world saturated with digital noise.
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I've been thinking about this a lot this
year. What do we need to know about the
neuroscience of making habit setting
more easy? I imagine that there must be
some really interesting Oh man. Uh, I
just had James Clear on the podcast and
it's so interesting when you sit down
with somebody who's like the habits guy.
Um, and you compare it against the
neuroscience and and so there there's
sort of two ways into this. Um, you
know, and James has done a magnificent
job of explaining things that people can
do to improve their habits and reduce
bad habits. The reason I'm so bullish
about people understanding a little bit
of mechanism behind the the checklist of
things to do is that I do think that
when people understand mechanism, it
gives them flexibility over the
so-called protocols. And I think it also
allows them to customize those things
for themselves. Let's face it, if you
want to go online now and just say,
"What are the top 10 things I can do to
improve my sleep?" And you get a list,
you put those on your refrigerator, put
them next to your bed, why doesn't
everyone just do that? Yep. It's because
the the way that people go about
learning information strongly drives
whether or not they apply that
information.
>> Okay. So, in fairness to to to James and
and the incredible work that he's done,
I'm going to just kind of look at this a
little bit through the lens of
neuroscience. And I'm really glad that
we're we're talking about this because
um one of the things that he said that I
think is so so true is that the thoughts
and by extension the emotions, but
really the thoughts that you have right
now, your ability to focus right now is
strongly driven by the inputs you
received in the preceding hours and even
days. So one of the things that's really
interesting about focus and attention
and a lot of habits have to do with I
don't want to procrastinate, I want to
do this. We can talk about exercise, but
let's talk about cognitive stuff.
It's very very clear that if you have a
hard time getting into a bout of work or
even um staying focused, there's a
there's a very good chance I believe
that your breaks be between work and
what you were doing before work was too
stimulating. I'm a big advocator for
boring breaks and I'm a big advocator
for silence before and after bouts of
work for a couple of reasons. Let's
think about it on the back end. Let's
say you're trying to learn something or
read a book or just do something that
you you're not reflexively doing. You
want to create this habit. It's very
clear that neuroplasticity, yes,
requires alertness, requires focus. You
need sleep layer that night. I've been
beating that drum for a number of years.
It's also clear that reflection on what
you were doing at some later time, just
kind of like post-arning reflection,
walking to your car, sitting on the
plane for a second, thinking about a
podcast you did earlier or something you
heard or a discussion strongly
reinforces the memories and the ability
to work with the memories of new
information. And this is something that
we've given up largely because of our
smartphones. You're constantly bringing
in new sensory information. all the
data. I did an episode on how to best
study and learn. I went to the data to
find out because I have my methods, but
that doesn't mean they're the best best
methods. Reading, rereading,
note-taking, highlighting, it's all
fine. But it turns out the biggest lever
is to self- test at some point away from
the material. So testing is not just
something for evaluation of others. It's
a way that we should think, you know,
yeah, how much can I remember about that
conversation? What was tricky? Okay, I
don't remember that piece. I'm going to
go back and look it up. All learning is,
and this will sound like a giant duh,
but all learning is anti-forgetting. How
do we know this? Because if you have
people read a passage one, two, three,
four, five times versus one time and
they self test. One time and self-
testing significantly better.
>> You ever had Peter C. Brown on the show?
>> No.
>> Author of Make It Stick.
>> No, but I like the the title.
>> You need to bring Peter on. Peter was
episode I would guess like 30 on Modern
Wisdom. You'll be a,030. Um, and the
best synopsis that I got from him,
learning how to learn was learning is
repeated recall, not repeated exposure.
>> Yes. Beautiful. Right.
>> [ __ ] money.
>> Exactly.
>> And that's that's the
>> Exactly. And and this is
>> the Ebing House forgetting curve.
>> Guys like him, guys like James Clear,
they have a real When I say unconscious
genius, I mean clearly they put thought
into and structure into what they teach.
But the neuroscience supports everything
you just said, which is what he just
said. And reflecting on what you were
trying to do or learn or solve, even if
you don't remember, even if you're still
puzzled by it, is so vitally important
to the anti-forgetting process. Okay.
Now, in terms of actually being able to
focus, actually being able to do work,
it's so clear that thoughts, and this is
the beautiful statements and work of a
woman named Jenny Gro, who's spelled G R
O H at Duke University, who's a
neuroscientist been studying sensor
sensory integration for a long time. You
know, I I've long thought about and I
think we now understand as a field what
sensations are. So sensations are the
physical stimula in the environment,
photons of light, mechanical pressure,
odor, volatile odorants in the
environment that lead to, you know,
sight, touch, smell, etc. How that gets
converted into chemical and electrical
signals in the brain, we understand as a
field. We understand sensation. We
understand perception. Perception is
which of those sensations you happen to
be paying attention to. Okay? We
understand emotions now more as a subset
of something that we think of more
broadly as states that are set by your
autonomic nervous system. how alert you
are, how not alert you are, and then
emotions are kind of layered on top of
that, right? Lisa Feldman Barrett has
beautiful descriptions of these and so
on. And there's some debate about what
emotions really are, but we we know what
they are neurobiologically and
psychologically and behaviors. We know
what they are, right? There's a behavior
and then there's the don't go behaviors,
the suppression of behavior, and then
there are memories, right? But for the
longest time, it's been unclear what are
thoughts like like what are they? Are
they just like spontaneous geysering up
of of of memories or like what's going
on there? And Jenny Grow I think has the
absolute best description of these if
and and this is based on
experimentation.
If we seed some idea, so let's say I say
to you, let's not talk about cats cuz
I'm a dog person, but I say, "Okay,
okay, Chris, um, and this isn't a trick
question, I promise, cuz it's always
weird when people start doing this. I'm
not Oz Pearlman or something. I'm not
going to like tell you your pin pin
code. Um,
think think about a dog. Okay. Um, what
kind of dog is it?
>> Golden Retriever.
>> Golden Retriever. Okay. So, as you think
about the Golden Retriever, like what
other
things come to mind about the Golden
Retriever?
>> It's got a little necker chief on.
>> Okay.
>> Rednecker Chief.
>> Great. Rednecker Chief. Uh, like what
else about Golden Retriever?
>> Fluffy.
>> Fluffy. Okay. So, there's a a tactile
thing. Okay. Um, anything else about
Golden Retrievers? This is very specific
to you.
>> Bouncing up and down, rolling on its
back, smells a little bit, but I like
it.
>> Great. Okay. So, there's a I like it.
You like that? This. Okay. So, Jenny
grows and others data point to the fact
that thoughts basically start with some
seed element, some noun, some pronoun,
some thing, some event. And then what
the brain does is essentially starts to
call on more and more sensations and
starts layering those in more and more
prior sensory events. It's red
handkerchief. Okay, brain. It's fluffy.
There's a tactile. And that thoughts
really are the layering on of more and
more sensory memories. And thoughts are
really a layering of the senses in in
abstract thought space. Now, this is not
meant to, you know, make something from
nothing. But it's so important that we
understand this because you think what
is the ability to think? Well, the
ability to think is is constrained by
the number of different senses I'm
trying to place on a bunch of different
things. And so that's what that's how we
navigate through environments, which is
what Jenny Gro's main work is about. How
you find yourself in space. I can't look
at everything in this garage. I have to
focus on certain things. Find the
Phillips head screwdriver. Go over
there. And you're discarding all the
other information. Now, when you think
about sitting down to do work or to
learn something, prepare a podcast. It
is so important that you limit the
number of sensory inputs coming in not
just during that event but before
because the sensory um stimulus that
kind of sets off this cascade of
layering in more and more sensory
memories and understanding is begun
before you sit down to read your book.
This is why you read a portion of a book
and then like oh wait I I wasn't even
paying attention. You your brain is
still working with the sensory inputs
from before. It's not thinking about
them consciously. So this is vitally
important. If you go back and you look
at the history of attention and thinking
and I have you can find these incredible
pictures that they would give kids who
had trouble probably had ADHD or just
kind of rambunctious boys in most cases
and they literally gave them helmets
with two eyeholes so they couldn't look
at anything else like hear anyone else
right used to be you know kid with the
hoodie on and the and the cap and you
and you'd write now what have we done
the challenge is that we've brought an
infinite number of sensory experiences
into the thing that you're looking at.
Oh wow.
>> So we've cons we brought the we brought
all the sensory inputs through the
device that you're holding.
>> So the narrowing of your perspective
hasn't helped you to narrow the
distractions.
>> That's right. Cognitive space is still
infinite even though your spatial the
spatial limitation of where you're
placing your attention is very
restricted. So the fact that you have so
many competing thoughts has everything
to do with that. And it also has
everything to do with what you were
doing in the 10 or 15 minutes before you
sat down to try to work. Now, in China,
they're doing some very interesting
experiments of having kids stale stare
literally at a at a focal point on the
wall for a number of minutes before
beginning their work. Sounds a little
extreme, a little military, but one
thing that I've been doing before I
prepare to do any writing, any
podcasting, any work, is I I try and
make myself as bored as possible. I try
and remove as much sensory input as
possible. I might think about my
breathing because it's hard to not think
about anything, but I really have
started to limit the amount of sensory
information coming into my space. I have
an entire floor of where I live now. I
live in have an odd structure now, but
uh the entire bottom floor is a no phone
zone. Once or twice I've brought my
phone down there, but it's a no phone
zone. I'm going down the stairs. There
are no phones in there.
>> I'm trying to figure out how I can have
no internet there. I have this little
tent sauna that I use now with with
incandescent lights that I love because
I couldn't use my my barrel sauna where
I was at. It's a I think a sauna space.
Makes these incredible. I like them
because they they get hot right away and
it's got the red light. I go in there.
It's in a in a it's grounded and there's
no Wi-Fi in there. The phone goes dead
the moment you go in there.
>> So, you're in a mini Faraday case.
>> Yeah. And I don't like bringing the
phone into the sauna, too.
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