How often do you lis­ten to the office gos­sip while fill­ing in forms? Or read a doc­u­ment while talk­ing on the phone with a client? Or think about your prob­lems at work while help­ing your child with his homework?

We are con­stantly assaulted by lots of infor­ma­tion and often required to per­form sev­eral tasks at once. It is not easy to stay focused. How­ever being able to stay focused is cru­cial to achieve suc­cess. Indeed, if you are lis­ten­ing to the office gos­sip while fill­ing in forms, you will prob­a­bly make mis­takes. If you try to read a doc­u­ment while talk­ing on the phone with a client, you will prob­a­bly sound dis­tant and unin­ter­ested to your client and may not get the con­tract you expected to get. If you think about your prob­lems at work while help­ing your child with his home­work, you will prob­a­bly miss oppor­tu­ni­ties to teach her something.

As you may notice all the sit­u­a­tions above involve doing more than one thing at a time. Multi-tasking is enemy num­ber one when it comes to accu­rate and speedy performance.

Human atten­tion is lim­ited. Think about your atten­tional focus as the beam of a light. If the light is on an object it can­not be on other objects at the same time with the same inten­sity. Only dim light will be avail­able to light up the objects in the periph­ery. The same hap­pens in your atten­tional sys­tem. Divid­ing atten­tion results in less atten­tional power devoted to all the dif­fer­ent tasks that you are try­ing to do at the same time. The more tasks, the less atten­tion can be devoted to each. The result is more errors and waste of time. Although we all have the feel­ing that mul­ti­task­ing saves us time, it is often not the case.

Try the exer­cise below to test your atten­tional focus. Three words have been com­bined to make this grid of let­ters. How many times does each of these words appear…? Can you com­pare your per­for­mance while search­ing for just one word vs. two of them at the same time?

How many times is the word SUN shown?
How many times is the word BUS shown?
How many times is the word NONE shown?

Solu­tions:
Sun is shown 12 times
Bus is shown 8 times
None is shown 4 times

– Pas­cale 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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