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Home::Technology & Science
Enhancing Your Brain As You Age
Author : Susan Dunn, MA, Emotional Intelligence Coach
The juvenile sea squirt wanders through the sea searching for a suitable rock or hunk of coral to cling to and make its home for life. For this task, it has a rudimentary nervous system. When it finds its spot and takes root, it doesnt need its brain any more so it eats it! Its rather like getting tenure.
~David Dennett, Consciousness Explained
And true to form, I have a client whos a tenured college professor, head of the department, who is going out of his mind. He came to me for coaching because hes deeply dissatisfied with his life, and wants to change careers.
Without violating confidentiality, I can say this client is desperate for new experiences, for meaning and purpose, and for something new in his life. He is hamstrung by a high salary and a less-than-30-hour week with long vacations, but is beginning to see the price is not worth it.
Though this gentleman happens to actually be a tenured professor, he is representative of many clients I have who are 50 or older.
As more Baby Boomers come of age, the studies about aging continue to pump in lots of new information to counteract former stereotypes. Science is discovering that old rats given new toys and new playmates start growing new brain cells, and better brain cells. Imagine!
And, poignantly, this is what the professor laments the most the fact that he isnt encouraged, or allowed, to innovate within the department; and that theres no camaraderie.
Lets take a look at some myths about aging and the brain, to encourage you to keep learning, and to keep acquiring new toys, and new playmates. And, oh yes, get toys that give you a good workout, both physically and mentally. Thats one of the keys to resilience as you age!
MYTH No. 1: Once youre born, all you can look forward to is a long and steady loss of brain cells (aka neurons).
REALITY: Stem cells in the human brain can create new neurons indefinitely, and relatively idle neurons will extend their branches to carry signals to and from other neurons indefinitely, under the proper circumstances.
MYTH No. 2: We cant get smarter as we age.
REALITY: Mice (are we like mice you be the judge) in an enriched environment, with interesting toys and playmates, showed an increase in 4000 new neurons in the hippocampus (crucial to memory and learning) compared to 2400 in the control group with no toys or playmates. And older mices brains also got bigger and better! And quickly! (Diamond and Rosenzweig, Elizabeth Gould, Princeton)
MYTH No. 3: Creativity diminishes with age.
REALITY: According to Ralph Warner, author of Get a Life: You Dont Need a million to Retire Well, older artists often do well, commonly experiencing a sustained burst of exciting creativity after 65.
MYTH No. 4: There isnt much you can do to avoid Alzheimers.
REALITY: According to David Snowden, Ph.D., Aging with Grace, hardworking brains (the ones that get used in learning new things all during life) do well because their stimulated cells branch frequently, resulting in millions of new connections (synapses) so the brain actually becomes larger andevidence continues to accumulate that a larger brain can cope with the effects of brain diseases, like Alzheimers and strokes. Theoretically because a larger brain has more active tissue, and therefore a greater number of ways to work around diseased or damaged areas.
MYTH No. 5: What youve got, is all youll ever get.
REALITY: According to Paul Tallal, Rutgers University neuroscientist, You create your brain from the input you get. By this, she means intellectual stimulation strengths the brain because in the normal course of living, our brains constantly reorganize themselves, which is called neuroplasticity. And neuroplasticity speeds up with the amount and complexity of the new information our brains receive.
MYTH No. 6: As you age, its too hard to learn new things, so stick with what you already know.
REALITY: According to Arnold Scheibel, head of UCLAs Brain Research Institute, the brains axons and dendrites (which send and receive messages) grow fastest with new material. The important thing is to be actively involved in areas unfamiliar to you, say Golden and Tsiaras, in Building a Better Brain. Anything that is intellectually challenging can probably serve as a kind of stimulus for dendritic growth, which means it adds to the computational reserves in your brain. Sounds to me like building new hard drive, yes?
MYTH No. 7: Watching the Discovery Channel suffices for stimulation.
REALITY: Dr. Robert Friedland reports that adults over age 70 with brain-stimulating hobbies were two and a half times less likely to suffer from the effects of Alzheimers later in life than were those whose main leisure activity was watching TV.
MYTH No. 8: In order to stimulate and grow the brain, you must engage in formal schooling.
REALITY: According to Warner, traditional academic subjects arent the only answer. The key is to find something both new and challenging to you. Thus a Latin professor, writes Warner, might do better to learn how to prune fruit trees, line her cars brakes or even solve difficult jigsaw puzzles than to write a scholarly essay parsing Ciceros rhetoric.
MYTH No. 9: I can ignore it for a while and it will still be there when I get back.
REALITY: Not! According to neurologist Oliver Sacks, the brain uses a lot of energy and blood, something we cant afford to no purpose. If neurons dedicated to perform a given skill are not being used, theyll either atrophy or be co-opted to some other function.
Myth No. 10: Intellectual stimulation is enough.
REALITY: According to Marion Diamond, aerobic exercise, such as swimming and jogging, may be especially beneficial to brain function in aging people, because it tends to keep blood vessels in better shape. And according to the Salk Institute study, mice that exercised regularly on a running wheel grew twice as many new brain cells (again, in the hippocampus) as other mice.
So there you have it! Jog on out for those new toys and new playmates and get a better brain and a better life! And its never too late unless you dont start now.
About the Author
Susan Dunn, MA, Emotional Intelligence Coach, http://www.susandunn.cc . Coaching, internet courses, teleclasses and ebooks on Emotional Intelligence. Mailto:sdunn@susandunn.cc for free ezine (put ezine for subject line). I train and certify EQ coaches. Email me for info on this fast, affordable, no-residency program. Spam emails More free articles Related articles
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