Archive for May, 2007

Brain Teaser: The Really, Really, Really Big Number

Here is new brain teaser written by puzzle master Wes Carroll.

The Really, Really, Really Big Number

Difficulty: HARDER
Type: MATH (Numerical/Abstract)
Intimidation Factor: HIGH — but don’t be scared!

Question:
When you divide 12 by 5, the remainder is 2; it’s what’s left over after you have removed all the 5s from the 12.  When you raise 4 to the fifth power (that is, 45), you multiply four by itself five times: 4×4×4×4×4, which equals 1,024.

What is the remainder when you divide 100100 by 11?

Click to read the Solution and Explanation.

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Feeling good to be good may be only natural

Feeling good to be good may be only natural
MSNBC
“The results were showing that when the volunteers placed the interests of others before their own, the generosity activated a primitive part of the brain…”

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Magnets to make your Brain grow stronger

Magnets to make your Brain grow stronger
I4U
“Stimulating the brain in mice with a magnetic coil appears to promote the growth of new neurons in areas associated with learning and memory. …”

If you want safer interventions…you better read Easy Steps to Improve Your Brain Health Now.

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Surprising Memory intervention

This Week in Health
Intelihealth.com, PA 

“A drink a day could slow the progress of dementia in older people with memory problems. That’s the finding of an Italian study published in the journal …”

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Cognitive Training

We get the question often: what is cognitive training? why are computer-based programs useful? to answer it, here you have some interviews with leading neuroscientists:

- Cognitive Training and ADD/ADHD: Interview with Prof. David Rabiner

- Dr. Elkhonon Goldberg on Cognitive Training and Brain Fitness Programs

- Cognitive Training for Basketball Game-Intelligence: Interview with Prof. Daniel Gopher

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Doctors: Certain Foods, Exercise May Help Prevent Memory Loss

Doctors: Certain Foods, Exercise May Help Prevent Memory Loss
NBC 4.com, DC -May 21, 2007
“People don’t have to run a marathon to get the brain benefits from exercise, either. Studies of sedentary adults have found that as little as 30 minutes of walking three times a week can stimulate growth in certain areas of the brain.”

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Meditation may fine-tune control over attention

Meditation may fine-tune control over attention

  • “Everyday experience and psychology research both indicate that paying close attention to one thing can keep you from noticing something else… a new study from the University of Wisconsin-Madison suggests that attention does not have a fixed capacity – and that it can be improved by directed mental training, such as meditation.”

  • “Led by postdoctoral fellow Heleen Slagter, Davidson’s research group in the Waisman Laboratory for Brain Imaging and Behavior recruited subjects interested in meditation to study whether conscious mental training can affect attention. “Meditation is a family of methods designed to facilitate regulation of emotion and attention,” says Davidson.”

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