How (And Why) To Train Your Pre-Frontal Cortex

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Dr. Chapman’s Keys For Mental Focus

This is Dr. Sandra Chapman; she’s a cognitive neuroscientist, on a mission to, in her words, further our understanding of:

  • what makes the brain stronger, faster and last longer
  • what enhances human cognitive capacity, and
  • what enhances the underlying brain systems across the lifespan.

To this end, she’s also the founder and Chief Director of the Center For Brain Health, where she has worked on her mission for the past 25 years (clocking up hundreds of peer-reviewed publications to her name), as well as being a professor of Behavioral and Brain Sciences at UT Dallas.

What does she want us to know?

Get your brain into gear

When it comes to your brainpower, it is “use it or lose it”, but it is also perfectly possible to use it and lose it.

Why?

Very often, what we are using our brains for is high-strain, low-yield stuff, such as multitasking, overthinking, or overthinking while multitasking. And to make it worse, we often do it without sufficient rest.

This is the equivalent of owning a Ferrari but trying to drive it in second and third gear at once by switching between the two as rapidly as possible. And doing that for 18 hours each day.

Suffice it to say, you’ll be going nowhere quickly.

An alternative “use” of brainpower is low-strain, low-yield stuff, such as having to pay close attention to a boring conversation. It’s enough to stop your mind from doing anything else, but not enough to actually stimulate you.

This is the equivalent of owning a Ferrari but keeping it idling. The wear and tear is minimal this time, but you’re not actually going anywhere either.

Better, of course, are the other two quadrants:

  • low-strain, high-yield: consistently using our brain in relatively non-taxing ways that encourage its development
  • high-strain, high-yield: here the Ferrari metaphor definitely fails, because unlike cars, our bodies (including our brains) are machines that benefit from judicious regular progressive overloading (but just by a bit, and with adequate recovery time between overloads).

See also: 12 Weeks To Measurably Boost Your Brain

How to do the “low-strain, low-yield” part

When it comes to “what’s the most important part of the brain to help in the face of cognitive decline?” the usual answer is either to focus on memory (hippocampi) or language (various parts, but for example Wernicke’s area and Broca’s area), since people most fear losing memory, and language is very important both socially and practically.

Those are indeed critical, and we at 10almonds stand by them, but Dr. Chapman (herself having originally trained as speech and language pathologist!) makes a strong case for adding a third brain part to the list.

Specifically, she advocates for strengthening the pre-frontal cortex, which is responsible for inhibition, task-switching, working memory, and cognitive flexibility. If that seems like a lot, do remember it’s a whole cortex and not one of the assorted important-but-small brain bits we mentioned above.

How? She has developed training programs for this, based on what she calls Strategic Memory Advanced Reasoning Tactics (SMART), to support support attention, planning, judgment and emotional management.

You can read more about those programs here:

Center For Brain Health | Our Programs

Participation in those is mostly not free, however, if you join their…

Center For Brain Health | BrainHealth Project

…then they will periodically invite you to join pilot programs, research programs, and the like, which will either be free or they-pay-you affairs—because this is how science is done, and you can read about yourself (anonymized, of course) later in peer-reviewed papers of the kind we often cite here.

If you’re not interested in any of that though, we will say that according to Dr. Chapman, the keys are:

Inhibition: be conscious of this function of your brain, and develop it. This is the function of your brain that stops you from making mistakes—or put differently: stops you from saying/doing something stupid.

Switching: do this consciously; per “I am now doing this task, now I am switching to this other task”, rather than doing the gear-grinding thing we discussed earlier

Working memory: this is effectively your brain’s RAM. Unlike the RAM of a computer (can be enhanced by adding another chip or replacing with a bigger chip), our brain’s RAM can be increased by frequent use, and especially by judicious use of progressive overloading (with rests between!) which we’ll discuss in the high-strain, high-yield section.

Flexibility: this is about creative problem-solving, openness to new ideas, and curiosity

See also: Curiosity Kills The Neurodegeneration

How to do the “high-strain, high-yield” part

Delighting this chess-playing writer, Dr. Chapman recommends chess. Although, similar games such as go (a Chinese game that looks simpler than chess but actually requires more calculation) work equally well too.

Why?

Games like chess and go cause structural changes that are particularly helpful, in terms of engaging in such foundational tasks as learning, abstract reasoning, problem-solving and self-control:

Chess Practice as a Protective Factor in Dementia

Basically, it checks (so to speak) a lot of boxes, especially for the pre-frontal cortex. Some notes:

  • Focusing on the game is required for brain improvement; simply pushing wood casually will not do it. Ideally, calculating several moves ahead will allow for strong working memory use (because to calculate several moves ahead, one will have to hold increasingly many possible positions in the mind while doing so).
  • The speed of play must be sufficiently slow as to allow not only for thinking, but also for what in chess is called “blunder-checking”, in other words, having decided on one’s move, pausing to consider whether it is a mistake, and actively trying to find evidence that it is. This is the crucial “inhibition habit”, and when one does it reflexively, one will make fewer mistakes. Tying this to dementia, see for example how one of the common symptoms of dementia is falling for scams that one wouldn’t have previously. How did cognitive decline make someone naïve? It didn’t, per se; it just took away their ability to, having decided what to do, pause to consider whether it was a mistake, and actively trying to find evidence that it is.
  • That “conscious switching” that we talked about, rather than multitasking? In chess, there is a difference between strategy and tactics. Don’t worry about what that difference is for now (learn it if you want to take up chess), but know that strong players will only strategize while it is their opponent’s turn, and only calculate (tactics) while it is their own turn. It’s very tempting to flit constantly between one and the other, but chess requires players to have the mental discipline be able to focus on one task or the other and stick with that task until it’s the appointed time to switch.

If you feel like taking up chess, this site (and related app, if you want it) is free (it’s been funded by voluntary donations for a long time now) and good and even comes with free tuition and training tools: LiChess.org

Here’s another site that this writer (hi, it’s me) personally uses—it has great features too, but many are paywalled (I’m mostly there just because I’ve been there nearly since its inception, so I’m baked into the community now): Chess.com

Want to know more?

You might like this book by Dr. Chapman, which we haven’t reviewed yet but it did inform large parts of today’s article:

Make Your Brain Smarter: Increase Your Brain’s Creativity, Energy, and Focus – by Dr. Sandra Chapman

Enjoy!

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  • Who you are and where you live shouldn’t determine your ability to survive cancer

    10almonds is reader-supported. We may, at no cost to you, receive a portion of sales if you purchase a product through a link in this article.

    In Canada, nearly everyone has a cancer story to share. It affects one in every two people, and despite improvements in cancer survivorship, one out of every four people affected by cancer still will die from it.

    As a scientist dedicated to cancer care, I work directly with patients to reimagine a system that was never designed for them in the first place – a system in which your quality of care depends on social drivers like your appearance, your bank statements and your postal code.

    We know that poverty, poor nutrition, housing instability and limited access to education and employment can contribute to both the development and progression of cancer. Quality nutrition and regular exercise reduce cancer risk but are contingent on affordable food options and the ability to stay active in safe, walkable neighbourhoods. Environmental hazards like air pollution and toxic waste elevate the risk of specific cancers, but are contingent on the built environment, laws safeguarding workers and the availability of affordable housing.

    On a health-system level, we face implicit biases among care providers, a lack of health workforce competence in addressing the social determinants of health, and services that do not cater to the needs of marginalized individuals.

    Indigenous peoples, racialized communities, those with low income and gender diverse individuals face the most discrimination in health care, resulting in inadequate experiences, missed diagnosis and avoidance of care. One patient living in subsidized housing told me, “You get treated like a piece of garbage – you come out and feel twice as bad.”

    As Canadians, we benefit from a taxpayer funded health-care system that encompasses cancer care services. The average Canadian enjoys a life expectancy of more than 80 years and Canada boasts high cancer survival rates. While we have made incredible strides in cancer care, we must work together to ensure these benefits are equally shared amongst all people in Canada. We need to redesign systems of care so that they are:

    1. Anti-oppressive. We must begin by understanding and responding to historical and systemic racism that shapes cancer risk, access to care and quality of life for individuals facing marginalizing conditions. Without tackling the root causes, we will never be able to fully close the cancer care gap. This commitment involves undoing intergenerational trauma and harm through public policies that elevate the living and working conditions of all people.
    2. Patient-centric. We need to prioritize patient needs, preferences and values in all aspects of their health-care experience. This means tailoring treatments and services to individual patient needs. In policymaking, it involves creating policies that are informed by and responsive to the real-life experiences of patients. In research, it involves engaging patients in the research process and ensuring studies are relevant to and respectful of their unique perspectives and needs. This holistic approach ensures that patients’ perspectives are central to all aspects of health care.
    3. Socially just. We must strive for a society in which everyone has equal access to resources, opportunities and rights, and systemic inequalities and injustices are actively challenged and addressed. When redesigning the cancer care system, this involves proactive practices that create opportunities for all people, particularly those experiencing the most marginalization, to become involved in systemic health-care decision-making. A system that is responsive to the needs of the most marginalized will ultimately work better for all people.

    Who you are, how you look, where you live and how much money you make should never be the difference between life and death. Let us commit to a future in which all people have the resources and support to prevent and treat cancer so that no one is left behind.

    This article is republished from HealthyDebate under a Creative Commons license. Read the original article.

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  • Almonds vs Macadamias – Which is Healthier?

    10almonds is reader-supported. We may, at no cost to you, receive a portion of sales if you purchase a product through a link in this article.

    Our Verdict

    When comparing almonds to macadamias, we picked the almonds.

    Why?

    It’s not just our pro-almonds bias:

    In terms of macros, almonds have 3x the protein and as well as more fiber and carbs, the ratio of which latter two give almonds the lower glycemic index, while macadamias have more total fat, and 4x the saturated fat percentage. All in all, we say this is a win for almonds in this category.

    In the category of vitamins, almonds have more of vitamins B2, B3, B9, E, and choline, while macadamias have more of vitamins B1, B5, B6, and C. A modest 5:4 win for almonds, unless we consider that almonds have more than 47x as much vitamin E (almonds are an exceptionally good source of vitamin E), in which case, a stronger win for almonds.

    When it comes to minerals, almonds have more calcium, copper, iron, magnesium, phosphorus, potassium, selenium, and zinc, while macadamias have more manganese. A very clear win for almonds.

    Adding up the sections makes for a convincing overall win for almonds, but by all means enjoy either or both; diversity is good!

    Want to learn more?

    You might like:

    Why You Should Diversify Your Nuts!

    Enjoy!

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  • Do Probiotics Work For Weight Loss?

    10almonds is reader-supported. We may, at no cost to you, receive a portion of sales if you purchase a product through a link in this article.

    It’s Q&A Day at 10almonds!

    Have a question or a request? We love to hear from you!

    In cases where we’ve already covered something, we might link to what we wrote before, but will always be happy to revisit any of our topics again in the future too—there’s always more to say!

    As ever: if the question/request can be answered briefly, we’ll do it here in our Q&A Thursday edition. If not, we’ll make a main feature of it shortly afterwards!

    So, no question/request too big or small

    ❝Can you talk about using probiotics for weight loss? Thanks❞

    Great question! First, a quick catch-up:

    How Much Difference Do Probiotic Supplements Make, Really?

    Our above-linked article covers a number of important benefits of probiotic supplements, but we didn’t talk about weight loss at all. So let’s examine whether probiotics are useful for weight loss.

    Up-front summary: the science is unclear

    This 2021 systematic review found that they are indeed very effective:

    ❝The intake of probiotics or synbiotics could lead to significant weight reductions, either maintaining habitual lifestyle habits or in combination with energy restriction and/or increased physical activity for an average of 12 weeks.

    Specific strains belonging to the genus Lactobacillus and Bifidobacterium were the most used and those that showed the best results in reducing body weight.

    Both probiotics and synbiotics have the potential to help in weight loss in overweight and obese populations.❞

    Source: Effects of Probiotics and Synbiotics on Weight Loss in Subjects with Overweight or Obesity: A Systematic Review

    This slightly older (2015) systematic review and meta-analysis found the opposite:

    ❝Collectively, the RCTs examined in this meta-analysis indicated that probiotics have limited efficacy in terms of decreasing body weight and BMI and were not effective for weight loss.❞

    Source: Probiotics for weight loss: a systematic review and meta-analysis

    And in case that’s not balanced enough, this 2020 randomized controlled trial got mixed results:

    ❝Regression analysis performed to correlate abundance of species following supplementation with body composition parameters and biomarkers of obesity found an association between a decrease over time in blood glucose and an increase in Lactobacillus abundance, particularly in the synbiotic group.

    However, the decrease over time in body mass, BMI, waist circumstance, and body fat mass was associated with a decrease in Bifidobacterium abundance.❞

    Source: Effects of Synbiotic Supplement on Human Gut Microbiota, Body Composition and Weight Loss in Obesity

    Summary

    Probiotics may or may not work for weight loss.

    In all likelihood, it depends on the blend of cultures contained in the supplement. It’s possible that Lactobacillus is more beneficial for weight loss than Bifidobacterium, which latter may actually reduce weight loss.

    Or it might not, because that was just one study and correlation ≠ causation!

    We’d love to give you a hard-and-fast answer, but if the data doesn’t support a hard-and-fast answer, we’re not going to lie to you.

    What we can say for sure though is that probiotics come with very many health benefits, so whether or not weight loss is one of them, they’re a good thing to have for most people.

    Some further articles that may interest you:

    Take care!

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  • 7 Minutes, 30 Days, Honest Review: How Does The 7-Minute Workout Stack Up?

    10almonds is reader-supported. We may, at no cost to you, receive a portion of sales if you purchase a product through a link in this article.

    For those who don’t like exercising, “the 7-minute workout” (developed by exercise scientists Chris Jordan and Bret Klika) has a lot of allure. After all, it’s just 7 minutes and then you’re done! But how well does it stand up, outside of the lab?

    Down-to-Earth

    Business Insider’s Kelly Reilly is not a health guru, and here he reviews the workout for us, so that we can get a real view of what it’s really like in the real world. What does he want us to know?

    • It’s basically an optimized kind of circuit training, and can be done with no equipment aside from a floor, a wall, and a chair
    • It’s one exercise for 30 seconds, then 10 seconds rest, then onto the next exercise
    • He found it a lot easier to find the motivation to do this, than go to the gym. After all “it’s just 7 minutes” is less offputting than getting in the car, driving someplace, using public facilities, driving back, etc. Instead, it’s just him in the comfort of his home
    • The exercise did make him sweat and felt like a “real” workout in that regard
    • He didn’t like missing out on training his biceps, though, since there are no pulling movements
    • He lost a little weight over the course of the month, though that wasn’t his main goal (and indeed, he was not eating healthily)
    • He did feel better each day after working out, and at the end of the month, he enjoyed feeling self-confident in a tux that now fitted him better than it did before

    For more details, his own words, and down-to-earth visuals of what this looked like for him, enjoy:

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    Further reading

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  • How Not to Age – by Dr. Michael Greger

    10almonds is reader-supported. We may, at no cost to you, receive a portion of sales if you purchase a product through a link in this article.

    First things first: it’s a great book, and it’s this reviewer’s favorite of Dr. Greger’s so far (for posterity: it’s just been published and this reviewer has just finished reading the copy she got on pre-order)

    Unlike many popular physician authors, Dr. Greger doesn’t rehash a lot of old material, and instead favours prioritizing new material in each work. Where appropriate, he’ll send the reader to other books for more specific information (e.g: you want to know how to avoid premature death? Go read How Not To Die. You want to know how to lose weight? How Not To Diet. Etc).

    In the category of new information, he has a lot to offer here. And with over 8,000 references, it’s information, not conjecture. On which note, we recommend the e-book version if that’s possible for you, for three reasons:

    1. It’s possible to just click the references and be taken straight to the cited paper itself online
    2. To try to keep the book’s size down, Dr. Greger has linked to other external resources too
    3. The only negative reviews on Amazon, so far, are people complaining that the print copy’s text is smaller than they’d like

    For all its information-density (those 8,000+ references are packed into 600ish pages), the book is very readable even to a lay reader; the author is a very skilled writer.

    As for the content, we can’t fit more than a few sentences here so forgive the brevity, but we’ll mention that he covers:

    • Slowing 11 pathways of aging
    • The optimal anti-aging regimen according to current best science
    • Preserving function (specific individual aspects of aging, e.g. hearing, sight, cognitive function, sexual function, hair, bones, etc)
    • “Dr. Greger’s Anti-Aging Eight”

    In terms of “flavor” of anti-aging science, his approach can be summed up as: diet and lifestyle as foundation; specific supplements and interventions as cornerstones.

    Bottom line: this is now the anti-aging book.

    Click here to check out How Not To Age, and look after yourself with the best modern science!

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  • Calm For Surgery – by Dr Chris Bonney

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    Think of it like “frequent flyer traveller tips” but for surgeries, whereupon knowing a given tip can mean the difference between deeply traumatic suffering and merely not being at your usual best. We think that’s worth it.

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