Archive for the ‘Exercise-Why is it that I seem to think better when I walk or exercise’ Category

Exercise-Why is it that I seem to think better when I walk or exercise?

July 10, 2013

Posted by:  Kevin G. Parker, D.C.

Written by:  —Emily Lenneville, Baltimore-scientificamerican.com

Why Do I Think Better after I Exercise?
Justin Rhodes, an associate professor of psychology at the University of Illinois at Urbana-Champaign, responds:

After being cooped up inside all day, your afternoon stroll may leave you feeling clearheaded.

This sensation is not just in your mind. A growing body of evidence suggests we think and learn better when we walk or do another form of exercise. The reason for this phenomenon, however, is not completely understood.

Part of the reason exercise enhances cognition has to do with blood flow.

Research shows that when we exercise, blood pressure and blood flow increase everywhere in the body, including the brain.

More blood means more energy and oxygen, which makes our brain perform better.

Another explanation for why working up a sweat enhances our mental capacity is that the hippocampus, a part of the brain critical for learning and memory, is highly active during exercise.

When the neurons in this structure rev up, research shows that our cognitive function improves.

For instance, studies in mice have revealed that running enhances spatial learning.

Other recent work indicates that aerobic exercise can actually reverse hippocampal shrinkage, which occurs naturally with age, and consequently boost memory in older adults.

Yet another study found that students who exercise perform better on tests than their less athletic peers.

The big question of why we evolved to get a mental boost from a trip to the gym, however, remains unanswered.

When our ancestors worked up a sweat, they were probably fleeing a predator or chasing their next meal.

During such emergencies, extra blood flow to the brain could have helped them react quickly and cleverly to an impending threat or kill prey that was critical to their survival.

So if you are having a mental block, go for a jog or hike.

The exercise might help pull you out of your funk.

Related articles:

1. Exercise and the brain: something to chew on-Henriette van Praag
Trends in Neurosciences Vol.32 No.5-Neuroplasticity and Behavior Unit, Laboratory of Neurosciences, Intramural Research Program, National Institute on Aging, National Institutes of Health, Baltimore, MD 21224, USA

2.  Exercise Makes Us Feel Good-NY Times 2011

3. Getting Fit Fast: Inactive People Can change Health-Fitness Gains-Jr.of Physiology 2013

4. Aerobic or Anaerobic Training Best For Getting Rid of Belly Fat

5. Blood Sugar Control Improved by Weight Training

6. Exercise May Slow Some Effects Of Aging-Journal of Sports Medicine and Physical Fitness 2000;40:1-10

7. Exercise and Chiropractic-Part of the Anti-aging Puzzle

8. Fitness and Fat myth: “All I need to do for exercise and fat loss is Aerobics”

9. Functional Movement Screen-Gray Cook 

10. Mechanobiology and diseases of mechanotransduction-Annals of Medicine 2003;35(8):564-77. 2003:
Donald E. Ingber, M.D., Ph.D

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