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Brain Teaser to Stimulate your Concentration Skills

Learn­ing can be inci­den­tal. We all mem­o­rize facts with­out pay­ing much atten­tion to these facts or with­out will­ing to mem­o­rize them. How­ev­er, when one real­ly wants to mem­o­rize a fact, it is cru­cial to pay atten­tion. Many stud­ies have shown that com­pared to full atten­tion con­di­tions, divid­ing atten­tion dur­ing study time leads to poor mem­o­ry per­for­mance.

This exer­cise will help you prac­tice focus­ing your atten­tion.

It may seem easy but make sure you count twice!

Count the num­ber of “Y” in this text:

Yes­ter­day, Lucy went all the way to Boston. She want­ed to buy new shoes. She had to go in many shops before she found the shoes she want­ed. She was hap­py to stop at a restau­rant to have some tea and cook­ies before she took the train back home.

Count the num­ber of “F” in this text:

Fin­ished files are the result of years of sci­en­tif­ic study com­bined with the expe­ri­ence of years.

Count the num­ber of “E” in this text:

Last sum­mer, Jean and Har­ri­et spent their vaca­tion in Michi­gan. They rent­ed a cab­in on the lake. The cab­in had two bed­rooms and a nice deck. They used to spend a lot of time on the deck, just look­ing at how the light would change on the water. Sev­er­al times, they bor­rowed bikes from their neigh­bors and spent a few hours explor­ing the vil­lages not far from their cab­in.


There are 7 “Y” in the first text.

There are 6 “F” in the sec­ond text (got them?)

There are 38 “E” in the third text.

For many oth­er Brain Teasers, click Here.
For many oth­er teasers and arti­cles by Dr. Mich­e­lon, click Here.

Pascale MichelonPas­cale Mich­e­lon, Ph. D., is Sharp­Brains’ Research Man­ag­er for Edu­ca­tion­al Projects. Dr. Mich­e­lon has a Ph.D. in Cog­ni­tive Psy­chol­o­gy and has worked as a Research Sci­en­tist at Wash­ing­ton Uni­ver­si­ty in Saint Louis, in the Psy­chol­o­gy Depart­ment. She con­duct­ed sev­er­al research projects to under­stand how the brain makes use of visu­al infor­ma­tion and mem­o­rizes facts. She is now an Adjunct Fac­ul­ty at Wash­ing­ton Uni­ver­si­ty.

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8 Responses

  1. SGM says:

    There are 8 “y” in the first text 🙂

  2. SGM says:


  3. phyllis says:

    Are there real­ly 38 “e“s? (I can find only 33)

  4. nina says:

    i found 38 e’s.…on my third count — each count dif­fer­ent.
    Count of the y’s: 6, 7, 6
    F’s: 5, 4, 5

  5. Jan says:

    I count­ed this at least 10 times…I only found 37.

  6. Jan says:

    Okay…I spoke too soon, I found the oth­er “e”

  7. david says:

    This puz­zle is a bit trick­i­er for me than most…I’m using IE6, and can’t see much of the para­graphs, because they are coverd up by google ads!

  8. ghita says:

    Did­n’t get any­one right, sob.….….sob.…What does that make me?

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As seen in The New York Times, The Wall Street Journal, BBC News, CNN, Reuters,  SharpBrains is an independent market research firm tracking how brain science can improve our health and our lives.

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