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    Dont Waste Your Twenties

    Part 1: Taking Advantage ofthe Unique Powers of the

    Twentysomething Brainby Brett & Kate McKay|February 4, 2013At age 20: Bill Gates dropped out of Harvard and cofounded Microsoft, and Sir Isaac

    Newton began developing a new branch of mathematics.

    At age 21: Thomas Alva Edison created his first invention, an electric vote recorder, Steve

    Jobs co-founded Apple Inc., and Alfred Tennyson published his first poetry.

    At age 22: Inventor Samuel Colt patented the Colt six-shooter revolver, and Cyrus Hall

    McCormick invented the McCormick reaper, which allowed one man to do the work of five

    At age 23:T. S. Eliot wrote The Love Song of J. Alfred Prufrock, John Keats penned Ode on

    a Grecian Urn, and Truman Capote published his first novel, Other Voices, Other Rooms.

    At age 24: Johannes Kepler defended the Copernican theory and described the structure of

    the solar system.

    At age 25: Orson Welles conscripted, directed, and starred in Citizen Kane, Charles

    Lindbergh became the first person to fly alone across the Atlantic, New York farmhand

    Joseph Smith founded the Church of Jesus Christ of Latter-Day Saints, John Wesley began

    planting the seeds for Methodism at Oxford, and Alexander the Great became the King of

    Persia.

    At age 26: Albert Einstein published five major research papers in a German physics journal,

    fundamentally changing mans view of the universe and leading to such inventions as

    television and the atomic bomb, Benjamin Franklin published the first edition ofPoor

    Richards Almanac, Eli Whitney invented the cotton gin, and Napoleon Bonaparte conquered

    Italy.

    http://artofmanliness.com/2013/02/04/dont-waste-your-twenties-part-1-taking-advantage-of-the-unique-powers-of-the-twentysomething-brain/?utm_medium=referral&utm_source=pulsenewshttp://artofmanliness.com/2013/02/04/dont-waste-your-twenties-part-1-taking-advantage-of-the-unique-powers-of-the-twentysomething-brain/?utm_medium=referral&utm_source=pulsenewshttp://artofmanliness.com/2013/02/04/dont-waste-your-twenties-part-1-taking-advantage-of-the-unique-powers-of-the-twentysomething-brain/?utm_medium=referral&utm_source=pulsenewshttp://artofmanliness.com/2013/02/04/dont-waste-your-twenties-part-1-taking-advantage-of-the-unique-powers-of-the-twentysomething-brain/?utm_medium=referral&utm_source=pulsenewshttp://artofmanliness.com/2013/02/04/dont-waste-your-twenties-part-1-taking-advantage-of-the-unique-powers-of-the-twentysomething-brain/?utm_medium=referral&utm_source=pulsenewshttp://artofmanliness.com/2013/02/04/dont-waste-your-twenties-part-1-taking-advantage-of-the-unique-powers-of-the-twentysomething-brain/?utm_medium=referral&utm_source=pulsenewshttp://artofmanliness.com/2013/02/04/dont-waste-your-twenties-part-1-taking-advantage-of-the-unique-powers-of-the-twentysomething-brain/?utm_medium=referral&utm_source=pulsenewshttp://artofmanliness.com/2013/02/04/dont-waste-your-twenties-part-1-taking-advantage-of-the-unique-powers-of-the-twentysomething-brain/?utm_medium=referral&utm_source=pulsenewshttp://artofmanliness.com/2013/02/04/dont-waste-your-twenties-part-1-taking-advantage-of-the-unique-powers-of-the-twentysomething-brain/?utm_medium=referral&utm_source=pulsenewshttp://artofmanliness.com/2013/02/04/dont-waste-your-twenties-part-1-taking-advantage-of-the-unique-powers-of-the-twentysomething-brain/?utm_medium=referral&utm_source=pulsenewshttp://artofmanliness.com/2013/02/04/dont-waste-your-twenties-part-1-taking-advantage-of-the-unique-powers-of-the-twentysomething-brain/?utm_medium=referral&utm_source=pulsenewshttp://artofmanliness.com/2013/02/04/dont-waste-your-twenties-part-1-taking-advantage-of-the-unique-powers-of-the-twentysomething-brain/?utm_medium=referral&utm_source=pulsenews
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    An impressive list of accomplishments to be sure. And despite how many might interpret this

    kind of precociousness, I would argue that these men accomplished what they did

    not despitetheir age, but because of it.

    A Disposable Decade?

    Maybe youve heard it said, or even said it yourself: Thirty is the new twenty.

    Things that were once markers of maturity in the past finishing school, landing your first

    real job, getting hitched, having kids, buying a house are getting pushed back later in life.

    Instead of hitting these milestones in ones early or mid-twenties, as our parents and

    grandparents did, economic, sociological, and cultural factors have postponed these steps

    for many until the latter part of the decade, and into ones thirties.

    This has opened up an unprecedented period of time and development for young adults.

    The twenties have been relabeled emerging adulthood or extended adolescence, and

    because of its nascent nature, there arent a lot of guideposts on how a man should spend

    this new stage of life.

    In the absence of such guidance, the twenties have come to be seen as a time to dabble,

    drift, and adventure, with the idea that you can get serious about stuff later once you hit

    thirty. Thus, the twenties have been branded as disposable an inconsequential holding

    period between two decades of schooling and becoming a real adult.

    But the idea that ones twenties are unimportant couldnt be farther from the truth. In fact,

    thirty is the new twenty is one of the biggest lies of our age.

    In this two-part series, well explain why.

    This Is Your Brain in Your Twenties

    The prevailing view these days is that people used to get started in life earlier simply because

    the economy allowed it, or that the Man shamed people into quickly becoming a grown-up

    instead of spending time being free, having fun, and exploring, and, since these factors are

    no longer in effect, there arent any good reasons for making important and consequential

    decisions and commitments in your twenties anymore.

    While that explanation of why milestones have been delayed has truth to it, there does in

    fact remain very compelling reasons for beginning to shape lifes most important elements

    while still in your twenties and they dont have anything to do with culture or economics.

    Rather, theyrebiological, and thus timeless they apply just as much to the 1950s as to

    today. Now we could delve into one aspect of biology as it concerns delayed adulthood

    that of reproduction as it isnt just affected by age for the ladies; aging male sperm is

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    thought to beresponsible for mutations that lead to things like autism and

    schizophrenia.But well cover that important topic another time.

    Today I want to center our discussion on something that transcends fatherhood, and

    affects all the big life decisions youll make particularly as it concerns things like career andrelationships, even faith. And thats the twentysomething brain.

    The human brain develops from bottom to top and from back to front. At the bottom-center

    sits the limbic system, in which resides some of the more primitive parts of our brain, areas

    that are responsible for things like sleep, hunger, emotions, sex, and pleasure.

    Located at the front of the brain is the prefrontal cortex. Last to develop, it is often referred

    to as the CEO of the brain the executive of the mind. It helps you do things like process

    probability, regulate emotions and impulses, delay gratification, handle uncertainty and

    abstract goals, plan for the future, and make good decisions and judgments.

    During adolescence, both parts of the brain swing into action and interact as they move you

    towards adulthood. The limbic system revs up your feelings of emotion, motivation, and the

    craving for reward, causing your teenage self to feel restless and increasing your desire to do

    big things, take risks, experience everything, forge friendships, and become independent

    from your parents. At the same time, your prefrontal cortex begins its final maturation and

    starts to act as a check to these new surging impulses, attempting to keep you from doing

    anything too stupid. (The New York Times has a neat interactive webpage showing your

    brain maturation from childhood to young adulthood.)

    This is why young adults often seem capable of great maturity at some times, and then do

    bone-headed things at other times the impulsive and CEO parts of their brains are having a

    tug-of-war, and sometimes one wins, and sometimes the other does. For this reason, your

    personality is kind of uneven during this period.

    In your early twenties, your prefrontal cortex is almost finished maturing, but not quite.

    It used to be thought that the prefrontal cortex finished developing during the teen years,

    but we now know that its maturation isnt complete until aroundage 25. What this means isthat from approximately ages 15-25, youre walking around and experiencing the world with

    an adolescent brain. This is why almost all of us can look back at episodes not only from

    high school, but also from college, that make us shake our heads and ask: What was I

    thinking?!

    Now, you might gather from all this that its best to wait until your thirties to make big

    decisions after all until your prefrontal cortex is fully formed and mature. But this isnt the

    case, for as one neurobiologist put it, your twenties are not simply a time of enormous risk,

    but also one of enormous opportunity.

    http://www.nytimes.com/2012/08/23/health/fathers-age-is-linked-to-risk-of-autism-and-schizophrenia.html?emc=na&utm_medium=referral&utm_source=pulsenewshttp://www.nytimes.com/2012/08/23/health/fathers-age-is-linked-to-risk-of-autism-and-schizophrenia.html?emc=na&utm_medium=referral&utm_source=pulsenewshttp://www.nytimes.com/2012/08/23/health/fathers-age-is-linked-to-risk-of-autism-and-schizophrenia.html?emc=na&utm_medium=referral&utm_source=pulsenewshttp://www.nytimes.com/2012/08/23/health/fathers-age-is-linked-to-risk-of-autism-and-schizophrenia.html?emc=na&utm_medium=referral&utm_source=pulsenewshttp://www.nytimes.com/interactive/2008/09/15/health/20080915-brain-development.html?utm_medium=referral&utm_source=pulsenewshttp://www.nytimes.com/interactive/2008/09/15/health/20080915-brain-development.html?utm_medium=referral&utm_source=pulsenewshttp://www.nytimes.com/interactive/2008/09/15/health/20080915-brain-development.html?utm_medium=referral&utm_source=pulsenewshttp://www.nytimes.com/interactive/2008/09/15/health/20080915-brain-development.html?utm_medium=referral&utm_source=pulsenewshttp://www.nytimes.com/interactive/2008/09/15/health/20080915-brain-development.html?utm_medium=referral&utm_source=pulsenewshttp://www.nytimes.com/interactive/2008/09/15/health/20080915-brain-development.html?utm_medium=referral&utm_source=pulsenewshttp://www.nytimes.com/2012/08/23/health/fathers-age-is-linked-to-risk-of-autism-and-schizophrenia.html?emc=na&utm_medium=referral&utm_source=pulsenewshttp://www.nytimes.com/2012/08/23/health/fathers-age-is-linked-to-risk-of-autism-and-schizophrenia.html?emc=na&utm_medium=referral&utm_source=pulsenews
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    What are those enormous opportunities that your twentysomething brain offers you? There

    are two big ones and they only come around once in a lifetime. First is the opportunity to

    passionately and uninhibitedly go after big goals, figure out lifes big questions, and make

    important commitments. Second, is the opportunity to take an active role in the

    development of the executive part of your brain in order to create a foundation for lastingsuccess. (These brain advantages apply to teenagers too, obviously, but twentysomethings

    have a lot more leeway to make their own decisions and thus exercise their brains special

    powers. Theyre at the crossroads of opportunity and independence.)

    In todays post well be focusing on the first advantage of the twentysomething brain;

    tomorrow, well delve into advantage numero dos.

    Twentysomething Brain Advantage #1: The passionate, uninhibited

    motivation to fearlessly go after your passions, figure out lifes bigquestions, and make important commitments.

    It may seem like a cruel twist of nature that at the same time you are feeling motivated to

    take risks and seek rewards, are experiencing a surge in emotion, and are beginning to

    grapple with the complexities of adulthood and make decisions that will influence your

    whole future, the executive part of your brain isnt up to speed yet as if youre driving a

    car with faulty brakes. And indeed, thats how researchers long saw it that the adolescent

    brain was broken recklessly and pointlessly impulsive.

    But more recent research has shown that the same qualities of the adolescent brain that can

    be liabilities, can also be distinct advantages not accidents of nature at all, but purposeful

    evolutionary adaptions. That purpose is to get a young adult to venture from home, strike

    out on his own, explore new turf, and take chances in the search for success. Those able to

    successfully harness the unique energies of youth have, from time immemorial, gained an

    edge over their peers. As neuroscientist B.J. Casey put it, the unbalanced nature of the

    adolescent brain is exactly what youd need to do the things you have to do then.

    What kind of powers does the adolescent brain give you that you need as you venture into

    adulthood? There are three:

    Fervent passion Fearlessness in the face of risk A keen and thoughtful curiosity about people and the world

    Deep Passion

    As weve discussed, during adolescence the limbic system of the brain starts amping up your

    feelings of emotion and motivation, while at the same time the prefontal cortex begins to

    develop its capacity to check the impulses the former generates. And again, the frontal lobes

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    complete their maturation around the mid-twenties. Before that time, the limbic

    system, particularly the amygdala, reacts more strongly to stimuli than it does in adults.

    While the frontal cortex generates a thinking response, the amygdala produces a more

    emotional, gut-oriented reaction.

    Neurobiologists arent sure of the exact relationship between the amygdala and the

    prefrontal cortex in the adolescent brain (and remember, this is the brain from ages approx.

    15-25), beyond the fact that the latter becomes more strongly activated as it matures and

    begins to act as a greater and greater check to the former.

    But I like to imagine the set-up in this (totally unscientific) analogy: The prefrontal cortex is

    like a sieve. In the adolescent brain the holes in the sieve are large, so that stimuli from the

    outside world mostly goes right through, and lights up the amygdala, creating an emotional,

    gut reaction. As the frontal cortex matures and strengthens, the holes become increasingly

    small the net catches and analyzes more and more of the stimuli before it hits the

    amygdala, giving the brain the chance to come up with a rational, measured response.

    Indeed, the prefrontal cortex is also known as the area of sober second thought, as it is the

    part of the brain that weighs the consequences of a choice.

    This is why in your teen years, up through your early twenties, you experience things

    reallyintensely relationships are intense, spiritual experiences are intense, emotional highs

    are high and lows are low. New experiences feel amazing; thrills give you more of a rush.

    Stimuli from the world goes directly into the brain instead of being caught in the cortex sieve

    and dryly analyzed first. Experiences are able to light up your emotional amygdala, allowingyou to feelthings deeply. Here you have the neurological reason behind the famously fervent

    passion of youth.

    The intensity of the adolescent brain can make our teenage years and early twenties feel

    overly dramatic. But this passion also allows twentysomethings to feel strongly about issues,

    causes, people, and spirituality. It can drive you to start movements, take action, and make

    commitments steps which are then facilitated by the next twentysomething brain power.

    Fearlessness in the Face of Risk

    In addition to the intensity and emotion the amygdala brings to the equation, the reward

    centers of the brain are also highly sensitive during this time. This drives you to take more

    chances.

    Contrary to popular belief, adolescents actually overestimate some risks those of the

    known variety, like the risk of getting pregnant or getting an STD. But they underestimate

    unknown risks anything where the likelihood of winning and losing is ambiguous.

    Adults will often shut down the idea of such risks as soon as they cross their minds, but an

    adolescent will take time to really consider them.

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    Obviously, this penchant for risk-taking can have a down-side theres a reason the

    mortality rate for adolescents is triple that of grade-school children. But, fearlessness in the

    face of risk can also be absolutely necessary in getting you to go after your dreams and

    ideals.

    Making any big decision or commitment involves risk will my business fail, is she the one,

    will I be happy a thousand miles from home? And risk kicks the prefrontal cortex into high

    gear What if this happens? What about x,y,z? Obviously, rational analysis is a great thing,

    but there are some things in life where you just have to push down your fear and take the

    plunge. The twentysomething brain gives you the fearlessness to do so. But as the prefrontal

    cortex gathers strength, it starts to talk you out of doing anything risky and is more inclined

    to maintain the status quo. Paralysis by analysis sinks in.

    A Keen and Thoughtful Curiosity About People and the World

    Now you may be thinking, Sure, twentysomethings have the passion and the courage to

    make big decisions, but theyll probably make the wrong ones, because theyre naive and

    impulsive! Better to wait until youre older. And its true that researchers have found that

    sometimes the reward-seeking adolescent brain does make more reckless decisions, like

    choosing to engage in binge drinking or unsafe sex. But thats typically because of social

    pressure (the young adult brain is also more sensitive to the judgment of their peers).

    Researchers have actually found that in other, less peer-driven and heated situations, when

    a reward is at stake, a young adultdesires to get something right, and will actually

    take longerto decide, andgather more information before doing so, than adults. Whichmeans, researchers say, that there are scenarios where adolescents will potentially

    make betterdecisions than grownups.

    The sensitive reward centers of the adolescent brain not only motivate the process of

    gathering and pondering information, they also facilitate the learning of new information,

    which is why adolescents (when it comes to a subject they enjoy, anyway) can find studying

    more pleasurable and satisfying than adults.

    All this makes sense: who spends more time willingly examining questions like whats the

    true religion and whats the best political philosophy college students or their parents? The

    latter often cannot be bothered, while the former cant get enough of delving into lifes big

    questions. Because of the sensitive reward system of the adolescent brain, things that feel

    like drudgery to grownups, like seeking truth, are deeply rewarding to young adults.

    Taking Advantage of the Tripartite Powers of the Twentysomething Brain

    I like to think of things like starting your own business, landing your dream job, getting

    married, committing to a faith, and even catalyzing a cultural or political movement, as akin

    to traveling to space. Once your rocket leaves the earths atmosphere, it can orbit there

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    indefinitely. But to reach outer space in the first place, you need a huge, powerful force in the

    form of rocket thrusters in order to overcome the earths strong gravitational pull.

    Well, your twentysomething brain is that rocket thruster.

    Twentysomethings are less daunted by unknown risks, and become more motivated and

    thoughtful by the prospect of reward, while adults are the opposite. During your twenties,

    youre passionate and ready to learn, and your greater tolerance for risk pushes you

    to acton that passion and knowledge.

    Unfortunately, your brains rockets fuel is leaking out as you approach thirty.The time for lift

    off is now.

    Why Your Parents Are Such Squares

    Now you finally have an explanation to an observation you probably made growing up:

    Man, my parents are so boring. They dont seem to ponder deep things or be that

    passionate about anything. They always stick to their routine and are still listening to the

    same music they did in college! Ill never end up like that. You probably thought their steady

    lameness was a function of their actively deciding to settle, or the result of the way their

    responsibilities had worn them down. These things are certainly factors in Adult Boring

    Disorder (ABD). But its also because of changes in their brains, changes thatwill happen to

    you, too.

    Most adults are so boring and risk-averse and dont experience life as intensely because

    the sensitivity of the reward centers in their brains have dulled and their mature prefrontal

    corti have put the lid on their emotional passions. Your parents musical tastes ended in

    college (at least this is my personal theory on the matter) because music doesnt produce the

    same intense, penetrating emotional reaction that it did in their adolescence (You gotta

    hear this song!) so it doesnt hold their interest as much.

    Now it seems to me the frontal cortex/limbic system balance varies from individual to

    individual artists and other sensitive types seem to maintain a little more of the emotional

    intensity of youth, and of course some devoted listeners do stay passionate about music

    their whole lives through. Plenty of people strive to maintain their curiosity and sense of

    adventure throughout their lifetime as well so dont get me wrong youre definitely not

    destined to become a totally lame-o adult. But after the prefrontal cortex finishes

    maturing, everybodymellows out, to one degree or the other.

    In some ways, this mellowing of ones intensity seems like a real loss. People have often

    wondered why so many talented musicians have died from suicide or drug overdose at age

    27 (the so-called Forever 27 Club). Musicians often produce some of their best songs early in

    their career songs they wrote in their youth that were fueled by the emotional intensity oftheir adolescent brain. Twenty-seven is right around the time the frontal cortex would finish

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    maturing. Is it possible the drop off in the intensity that once fueled their creativity and the

    emotion of their songwriting creates a deep despondency in artists? Maybe. Just a personal

    theory of mine.

    But heres the good news not only will the completion of your brain development notmake the vast majority of us suicidal, youll in fact experience it as a good feeling and

    positive change! You can actually feel it happening. There will be a time around your mid-

    twenties when you notice a change in yourself. You start to notice that you feel more stable,

    more steady, more secure. Youll think about the drama in your life just a few years prior and

    wonder what you were thinking you will feel like youve changed a lot since then and

    would now handle things much differently than you did then. When you feel this, youll know

    your prefrontal cortex has finished maturing.

    The pre- and post-stages of the limbic-to-prefrontal-cortex shift in power are neither

    bad nor good; each has powers suited to a different stage in life. In your twenties, when

    youre making big, important moves and decisions, you need emotion and intensity to spur

    you to study and ponder lifes big questions, and the strong motivation to take risks, venture

    out, and make commitments. Then, in your thirties and beyond, you need confident

    steadiness to overcome your counterproductive impulses and mood swings, and to build the

    things you launched in your twenties to grow your business, expand your movement, head

    a family.

    The trick is simply to take advantage of each power in the season it is given: The twenties are

    for launching, while the thirties are for building what you launched.

    Conclusion

    Todays post highlighted some of the unique powers of the twentysomething brain

    namely its propensity for deep passion, fearlessness in the face of risk, and a keen curiosity

    about others and the world. But what kinds of things should you channel these powers

    towards? Tomorrow well discuss the second once-in-a-lifetime opportunity offered by the

    twentysomething brain the chance to train the builder to whom you will be handing

    over the reins once the launch of your start-up is complete.

    Dont Waste Your 20s Part

    2: Train Your Brain for Lasting

    Success

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    by Brett & Kate McKay|February 5, 2013In Part I of this two-part series we explored the first once-in-a-lifetime opportunity of

    the twentysomething brain: its propensity for deep passion, a keen curiosity about others

    and the world, and fearlessness in the face of risk. But these qualities are only advantages if

    theyre used in the way they were designed: as the motivation to takeintentional, forward-

    looking ventures ones that lead to greater learning experiences, personal development,

    and independence. Taking a risk to see what its like to shotgun a beer wont get you any

    closer to your ideal future.

    Rather, at the same time youre launching your passions, you should also be taking

    advantage of the second great opportunity of the twentysomething brain: the chance to

    take an active role in shaping the development of the executive part of your mind.

    If your twenties are for launching, and your thirties are for building, then this is the

    opportunity to train your builder, the prefrontal CEO to which youll be handing over the

    reins to your start-up post-twenties. Moving from your twenties to your thirties is indeed

    very much like launching a company that you know youre eventually going to leave; at the

    same time that youre getting things going, you also need to train the guy whos eventually

    going to take your place, giving him the skills and abilities hell need to steer the ship once

    youre gone. The quality of this training will greatly determine the future success of the

    endeavor, i.e., the rest of your life.

    Synaptic Pruning in the Orchard of Your Brain

    Yesterday we talked about a hugely important process happening in your brain in your

    twenties thats crucial for young adults to understand: the simultaneous revving up of the

    intense, emotional, risk-taking limbic system, and the maturation of the steady, rational,

    impulse-checking prefrontal cortex. But how exactly does the prefrontal cortex mature?

    The majority of our brain development happens in two stages: overproduction and pruning.

    First, the brain overproduces millions of synapses, more than it could ever use it over-

    prepares for whats to come. Then it organizes and prunes this abundance of neural

    pathways, getting rid of those not in use and strengthening and stabilizing those that are

    much like an arborist prunes dead branches off a tree.

    It has long been known that this overproduction/pruning process occurs during an infants

    first eighteen months of life. The brain ramps up production of cells to prepare the tot for

    learning an enormous amount of information about language and the world around him in a

    short period of time. After age three, it begins slowly pruning away the pathways not in use,

    so that the human brain is 95% developed by age six.

    http://artofmanliness.com/2013/02/04/dont-waste-your-twenties-part-1-taking-advantage-of-the-unique-powers-of-the-twentysomething-brain/?utm_medium=referral&utm_source=pulsenewshttp://artofmanliness.com/2013/02/04/dont-waste-your-twenties-part-1-taking-advantage-of-the-unique-powers-of-the-twentysomething-brain/?utm_medium=referral&utm_source=pulsenewshttp://artofmanliness.com/2013/02/04/dont-waste-your-twenties-part-1-taking-advantage-of-the-unique-powers-of-the-twentysomething-brain/?utm_medium=referral&utm_source=pulsenewshttp://artofmanliness.com/2013/02/04/dont-waste-your-twenties-part-1-taking-advantage-of-the-unique-powers-of-the-twentysomething-brain/?utm_medium=referral&utm_source=pulsenewshttp://artofmanliness.com/2013/02/04/dont-waste-your-twenties-part-1-taking-advantage-of-the-unique-powers-of-the-twentysomething-brain/?utm_medium=referral&utm_source=pulsenews
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    What scientists have more recently discovered is that a secondround of overproduction and

    synaptic pruning begins in adolescence and extends into a personsmid-twenties. This time,

    the brains overproduction of synapses is not centered on things a baby needs to know like

    language and motor skills, but rather on the abilities essential to navigating adulthood

    rational thought, reasoning, impulse control, goal-setting, and planning. Synaptic pruning isthe process through which the maturation of the prefontal cortex actually happens the way

    in which you train your CEO.

    Use It or Lose It

    So how exactly does synaptic pruning work?

    While the completion of the prefrontal cortexs maturation will happen for everyone, not

    everyones cortiwill set in the same way. The development of your brain is not simplyshaped by age, but also very much by experience.

    Your brain does not prune its excess synapses in a willy-nilly fashion. What gets retained and

    what withers away is determined by what gets utilized and what is allowed to lie fallow.

    As Meg Jay, author ofThe Defining Decade explains:

    In a use-it-or-lose-it fashion, the frontal lobe connections we use are preserved and

    quickened; those we dont use just waste away through pruning. We become what we hear

    and see and do every day. We dont become what we dont hear and see and do every day.In neuroscience, this is known as survival of the busiest.

    Or as neuroscientist Dr. Jay Giedd puts it:

    If a teen [or twentysomething] is doing music or sports or academics, those are the cells and

    connections that will be hardwired. If theyre lying on the couch or playing video games or

    watching MTV, those are the cells and connections that are going to survive.

    Basically, what this means is that the education, experiences, and relationships you choose to

    pursue in your twenties will determine the course of your brains synaptic pruning process.

    This means you need to be intentional about tuning your prefrontal cortex for optimal

    performance in the decades to come! What training do you want give to your prefrontal

    CEO? What skills and abilities do you want to train your brain to deftly perform for the rest of

    your life?

    Some folks downplay the importance of the twenties by saying its simply a dress rehearsal

    for whats to come. But if thats the case, you need to ask yourself what role it is youre

    preparing to play. If youre eventually hoping to nab the role of loving, loyal husband, does

    rehearsing by having only casual hookups prepare you for that? If youre hoping to win the

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    part of independent business owner, what kind of practice are you getting for that role right

    now?

    Strike While the Iron Is Hot, and the Metal Is Pliable

    This final development of your brain is akin to getting a wiring upgrade after its

    completed, the prefrontal cortex will run faster and more efficiently. But what you gain

    in speed, you lose in flexibility.

    This makes the period before the wiring job is complete a time of enormous opportunity.

    While your brain is still flexible and malleable, you can and must take an active role in

    shaping how the wire is laid. Never again will it be so easy to shape yourself, learn new

    things, and become the man you want to be.

    Now dont get me wrong, brains are plastic throughout our lives. We can always change

    our habits and behaviors, whether were 20 or 60. But once the adolescent brain finishes

    developing and sets, changing our course becomes harder to do. The plastic of the

    adolescent brain is more malleable, while the plastic of the older brain is of a harder variety

    it takes more kneading and heat to mold it.

    Or think of it this way: up through your mid-twenties, molding your behavior is like making

    trails through a grassy field. Once your brain is finished developing, it will want to take the

    path of least resistance the trails youve already made, the neural pathways that youve

    already forged. Creating a new trail, post-twenties, will mean hacking a path through a fieldthat has transformed from gentle grass into a dense, weedy jungle that requires a great deal

    more effort to plow through. Its doable, but difficult.

    Throughout adolescence and into the mid-twenties, gray matter is pruned as neural

    pathways not in use atrophy, while those being utilized are consolidated and organized

    more efficiently. As the graphic alludes to, addictions that begin in adolescence get wired

    into the brain as it sets, making them hard to shake off in adulthood.

    This is why researchers have found that after age thirty, your thoughts, feelings, behaviors,

    and personality become relatively fixed and stable. There actually isnt much debate among

    experts on this point: some say almost no changes are possible after thirty, while other

    say smallchanges are, and thats about the extent of the divide in viewpoints. What they all

    agree on is that the majority of who you are is crystallized by age thirty, and as Jay explains,

    Our personalities change more during the twentysomething yearsthan at any time before or

    after. In our thirties, we simply continue with, or correct for, the moves we made during our

    twentysomething years.

    The reason there are thirtysomething men (and women) who are still head-scratchingly

    immature, is that they figured they could spend their twenties drifting and partying and thenone day when they turned thirty things would magically come together for them and theyd

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    be ready to shift into another gear. But when their brains set the plastic hardened the

    things that were going on in their lives at the time waking up on someone elses floor and

    working at Starbucks had been etched into their corti.

    If you dont want to be the guy whos living like hes twenty-three at age forty-four (evenwhen he himself is tired of that life and is ready for a different stage) sculpt your prefrontal

    cortex in your twenties by seeking out experiences and commitments that will exercise and

    challenge your ability to plan, set goals, and discipline yourself. Stretching yourself now will

    solidify the best neural pathways, strengthen and season your prefontal cortex, and create a

    cognitive foundation thats prepared not simply for a few years of fun, but for a lifetime of

    happiness and satisfaction.

    Dont Waste Your Twenties

    Understanding more about how the brain works shows that contrary to the idea that these

    years are disposable and inconsequential, the pursuits you undertake, the relationships you

    form, and the decisions you make during this decade can in fact have an enormous, outsized

    impact on who you become and how the rest of your life turns out.

    This knowledge, coupled with an understanding of the special powers of the

    twentysomething brain we discussed last time, has hopefully convinced you that thirty is the

    new twenty is indeed a bunch of baloney. People who tell you: Dont worry. Youve got all

    the time in the world, may mean well, but are wrong the twenties are not

    interchangeable with every other decade to come. They are certainly not disposable.

    Your twenties truly represent a once-in-a-lifetime opportunity. A confluence of factors

    creates a powerful, but short window of time, and you owe it to yourself to make the very

    most of it.

    But what does that mean? Must you forego exploring and adventure in your twenties and

    settle down as soon as possible? Hardly.

    Your twenties are in fact the perfect time for adventure and exploration, but the experiences

    you choose should have an element ofintentionality. They should not only let you see and

    try new things, but also broaden your horizons, impact your character, and help you learn

    and grow. Seek experiences that both harness your passions andexercise and stretch the

    executive faculties of your mind.

    Theres room in your twenties for a season working the ski lift at a resort, but you should also

    make room for a season of leading troubled teens on wilderness expeditions. Theres a place

    in your twenties for an aimless backpacking trip through Europe, but there also needs to be

    a place for a well-building mission to Africa. Its a good time to date, but its also an ideal

    time to get hitched.

    http://lists101.his.com/pipermail/smartmarriages/2009-August/004039.html?utm_medium=referral&utm_source=pulsenewshttp://lists101.his.com/pipermail/smartmarriages/2009-August/004039.html?utm_medium=referral&utm_source=pulsenewshttp://lists101.his.com/pipermail/smartmarriages/2009-August/004039.html?utm_medium=referral&utm_source=pulsenewshttp://lists101.his.com/pipermail/smartmarriages/2009-August/004039.html?utm_medium=referral&utm_source=pulsenewshttp://lists101.his.com/pipermail/smartmarriages/2009-August/004039.html?utm_medium=referral&utm_source=pulsenews
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    Basically, the more of your pursuits that point, however indirectly, towards your end goals,

    the better. Its not that you mustcomplete all your goals in your twenties. When I say the

    twenties are the perfect time for launching big things, launching does not mean finishing it

    meansbeginning.

    While I started off the last post by listing some of the notable accomplishments made by

    men in their early twenties, I did so in order to showcase the vast, and often overlooked

    potential of young men. But just as telling as that kind of list is one that shows the things

    twentysomething men were doing that didnt bring themimmediate success, but put them

    on the path towards it:

    At age 20: Plato became a disciple of Socrates, This relationship paved the way for Plato to

    develop new ways of thinking that would eventually become cornerstones of Western

    thought.

    At age 21: Jack London set sail for the Klondike with the first rush of gold-seekers. His

    adventure in the North would create the fodder for many of his most popular articles and

    books.

    At age 22:Charles Darwin signed on as the HMS Beagles naturalist for a five-year voyage to

    South America and the Galapagos Islands. Although his father had told him not to go, saying

    it would be a waste of time, the copious notes and observations Darwin made and the

    collection of specimens he gathered on the journey would lead him to develop his theory of

    evolution.

    At age 25: Future mythologist Joseph Campbell rented a shack in Woodstock, NY and

    engaged in rigorous and intensive independent study, reading the classics for nine hours a

    day, for five years straight.

    At age 26:Johnny Appleseed brought apple seeds to the Ohio Valley. Yes, he was literally

    planting seeds in his twenties.

    At age 27: Kurt Vonnegut, Jr. quit his job at General Electric to become a full-time writer and

    Henry David Thoreau went off for two years to live alone in a cabin at Walden Pond.

    The twenties are not about checking off all of your goals, but rather creating a foundation

    that will allow you to build towards them for the rest of your life. As Jay puts it: Theres a

    big difference between having a life in your thirties and starting a life in your

    thirties.Starting your life and creating a solid foundation involves seeking education,

    experiences, and pursuits that align with your goals, challenge you, and thus produce what is

    called identity capital. Identity capital includes resume entries like degrees and jobs and

    volunteer work, but also our people skills, the ability to be resilient in the face of setbacks,

    the ability to solve problems under stress, and an understanding of culture, the world, and

    human nature. Studies have shown, Jay writes, that Twentysomethings who take the time to

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    explore andalso have the nerve to make commitments along the way construct stronger

    identities. These identities are associated with higher self-esteem, perseverance, realistic

    expectations, a clearer sense of self, greater life satisfaction, better stress management,

    stronger reasoning, and resistance to conformity. All qualities that will stand you in good

    stead no matter where lifes journey takes you. Identity capital acts as the currency of careersand relationships; the more you accumulate the richer you become, and the more and

    more doors you can open as you move into your thirties and the rest of your life.

    Wait Brett! Im Over Thirty and This Series Has Seriously Bummed Me Out! Is

    There No Hope for Me?

    I definitely noticed that were quite a few comments on the first post to the effect of: Well,

    this is depressing. I wish I had read this earlier in my life. Now its too late for me.

    Cheer up ye thirty and fortysomethings (or ye spry, tech-savvy seventysomethings). This

    series was designed to inspire guys in their twenties to gain an understanding of how much

    potential this decade of their life holds, and that it should be taken full advantage of. But I

    dont want older folks to walk away from this feeling like theres no hope for them and theyll

    just have to settle for wherever they are in life.

    I do truly believe that the twenties are the ideal time to make important decisions, start big

    things, and make commitments the unique but waning properties of the adolescent brain

    make it easier to do so than it will ever be again. But doing big things and making changes

    post-twenties isntimpossible, its just harder. There are plenty of examples from history of

    men who made their greatest contribution to society later in life (we plan to put together a

    list of these late bloomers one of these days as well as cover steps you can take to turn

    things around). I also know several regular Joes who turned their lives around after 30 after

    spending their 20s drifting and now lead happy, fulfilling, and successful lives. For the

    disciplined and the dedicated, the gate to greatness is always open.

    So to sum up: if youre a youngin, I beseech you to strike while the iron is hot and not let the

    opportunity of your twenties slip away. And if youre a little longer in the tooth, dont wish

    for what could have been, but push forward with your might. No matter what your age, astrong and wise captain can always turn the ship around.