Cover Image: November 2012 Scientific American Magazine See Inside

Memory in Old Age Can Be Bolstered

Researchers have found ways to lessen age-related forgetfulness














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Although Glisky and Glisky found support for these visual and semantic techniques, among others, they cautioned that memory improvements in the laboratory do not necessarily translate to enhancements in daily life, because these benefits depend on people practicing and using the tactics regularly. This gap in efficacy may be widest for strategies that take considerable time and effort to learn. Also, improvements in one area of memory often do not generalize to others.

Studies have found some support for the validity of the saying “Use it or lose it.” The more we use our memory—for example, reading, doing crossword puzzles and playing board games—the better it may be, probably because such activities involve considerable use of memory. Of course, those with better memories may also be more likely to exercise their minds in the first place, accounting for some (but probably not all) of the association between good memory and amount of cognitive stimulation.

Fit Body, Fit Mind

If Jagger is as physically fit as he looks, his mind may be following suit. Some studies have found that higher levels of aerobic exercise are associated with better memory in older adults. Although many of these studies do not prove that aerobic exercise causes the memory improvements, some do suggest a causal connection. When psychologist Stanley Colcombe of the University of Illinois at Urbana-Champaign and his colleagues reviewed 18 controlled studies addressing this association in 2003, they found evidence that aerobic exercise did indeed lead to enhancements in memory.

Sustained aerobic activity may not be the only way to keep your mind agile and your memory sharp. In a study published in 2011 neurologist Ruth Ruscheweyh of the University of Münster in Germany and her colleagues assessed total physical activity in 62 older adults over six months. Their questionnaire included both formal exercise and daily routines such as walking to work, climbing stairs and gardening. The researchers linked reported increases in overall activity, no matter its type, with improvements in episodic memory at the end of six months. The greater the rise in activity levels, the bigger the memory boost. Thus, keeping physically active through regular workouts along with everyday errands and tasks may be the best recipe for reinvigorating your powers of recollection. [For more on the connection between physical and mental fitness in old age, see “Fit Body, Fit Mind?” by Christopher Hertzog, Arthur F. Kramer, Robert S. Wilson and Ulman Lindenberger; Scientific American Mind, July/August 2009.]

The research suggests that many memory techniques as well as a physically and mentally energetic lifestyle can improve memory in older adults. We still have a long way to go before we have highly effective methods, but given the vigor of this field, we can expect great progress in the near future.


This article was originally published with the title Memory in Old Age: Not a Lost Cause.



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ABOUT THE AUTHOR(S)

HAL ARKOWITZ and SCOTT O. LILIENFELD serve on the board of advisers for Scientific American Mind. Arkowitz is an associate professor of psychology at the University of Arizona, and Lilienfeld is a psychology professor at Emory University.
Send suggestions for column topics to editors@SciAmMind.com
HAL ARKOWITZ and SCOTT O. LILIENFELD serve on the board of advisers for Scientific American Mind. Arkowitz is an associate professor of psychology at the University of Arizona, and Lilienfeld is a psychology professor at Emory University.
Send suggestions for column topics to editors@SciAmMind.com


(Further Reading)

Memory Rehabilitation in Older Adults. Elizabeth L. Glisky and Martha L. Glisky in Cognitive Neurorehabilitation: Evidence and Applications. Second edition. Edited by Donald Tuss, Gordon Winocur and Ian Robertson. Cambridge University Press, 2008.

Train Your Brain: How to Maximize Memory Ability in Older Adults. Robert Winningham. Baywood Publishing Company, 2009.


5 Comments

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  1. 1. tolson 09:19 PM 11/13/12

    Afterall, the brain is plastic. Age is just a number.

    Reply | Report Abuse | Link to this
  2. 2. ewedlock 11:20 PM 11/13/12

    Thanks for this. I'm 70 and am having problems. I should try this stuff, at least. Peace.

    Reply | Report Abuse | Link to this
  3. 3. S. N. Tiwary 11:37 PM 11/13/12

    Linkages between memory and age are very interesting and important in life. Some people lose memory and some people do not. Memory can be retained through Yoga and keeping physically fit and well. I think that memory is directly connected to health (physical, mental and spiritual) and fruitful use of brain.
    S. N. Tiwary
    Director
    Ex-Vice-Chancellor (acting)
    Dean, Head

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  4. 4. quizkid in reply to ewedlock 07:07 PM 11/14/12

    Reply to ewedlock

    I think of this as exercising my mind.

    I have computer board game software. I learn a new game to challenge my mind. When I have mastered it, I learn another new game.

    I play neighborhood games on Facebook. I rearrange my town, farm etc. periodically to resemble a real place.

    Without checking a map, I list all 50 states.

    Challenge your mind. Try something new. Try doing something a new way. It will keep your mind in tiptop shape and make life a lot more interesting. Have fun!

    Reply | Report Abuse | Link to this
  5. 5. Y V Chawla 11:33 PM 11/14/12

    Memory and other functions of the brain slow down as one explains away any discomforting situation by comforting ideas, explanations.Mind escapes absorbing the disliked (unpleasant) situation, explains away by complaining, blaming others, feeling guilty, blaming fate, I will be successful in future and so on.This is like 'sleep' for the mind. Absorbing the psychological discomfort 'as it is' attunes the brain to supreme relaxation with alertness.
    https://sites.google.com/site/yvchawla/fusion-2

    Reply | Report Abuse | Link to this
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