Sharp Brains: Brain Fitness and Cognitive Health News

Neuroplasticity, Brain Fitness and Cognitive Health News


What do you see: Quick brain teaser to share this weekend

What do you see?

Ambiguous Illusion

Take a good look…you should be able to perceive two different images (but probably not at the same time). Read the rest of this entry »

Tough brain teasers, with answers, courtesy of NSA employees


According to NSA’s Puzzle Periodical, “Intelligence. It’s the ability to think abstractly. Challenge the unknown. Solve the impossible. NSA employees work on some of the world’s most demanding and exhilarating high-tech engineering challenges. Applying complex algorithms and expressing difficult cryptographic problems in terms of mathematics is part of the work NSA employees do every day.”

You can try a couple of their recent, and quite tough, brain teasers here:

More brain teasers, games and illusions here.

Tease your mind this weekend with these brainy haikus…and please add yours


Thank you to everyone who has written so many fun haikus over the last several years (following the post Top 25 Brain and Mind Haikus. Yours?). These are the ones we have enjoyed the most.


My release technique,
Forgive, forget, love all,
Meditate on that!

Read the rest of this entry »

3 fun brain teasers for adults to challenge your cognitive skills

Brain_cognitiveskillsFirst of all, what is cognition? Cognition has to do with how we understand the world and act in it. Cognitive skills are the brain-based functions that we need to carry out any task from the simplest to the most complex. For example, answering the telephone involves perception (hearing the ring tone), decision taking (answering or not), motor skill (lifting the receiver), language skills (talking and understanding language), social skills (interpreting tone of voice and interacting properly with another human being).

Here are three fun brain teasers to help you challenge your cognitive skills over the weekend, coming from our collection of brain teasers & games for adults of all ages. Enjoy!

Hard brain teaser to challenge your pattern recognition

Here’s a quick but hard brain teaser to challenge your ability to find a pattern. In the table below, each row across follows the same pattern. See if you can discern the pattern and fill in the missing number in the bottom row.

For added challenge, time how long it takes you to complete the puzzle. Then, pass it along to someone else and see who can solve it faster…

7 4 8
3 9 7
6 5 10
? 8 4

Have you solved it yet? If not, here’s a hint:

If you read your figures like words in the West,
then multiply your efforts and subtract the rest.

WARNING:  Answer and solution follows. Try to solve the puzzle before you read further. Read the rest of this entry »

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