Sharp Brains: Brain Fitness and Cognitive Health News

Neuroplasticity, Brain Fitness and Cognitive Health News

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The Hermann grid optical illusion, explained

In this image, do you see some­thing oth­er than black and white? Does it mat­ter if you look direct­ly at one of the black blocks, vs. at one of the inter­sec­tions?

Hermann Grid

While there are real­ly only black blocks and white spaces in the grid, the high con­trast black and white areas fool the eyes into per­ceiv­ing a gray cir­cle at each inter­sec­tion. The illu­sion results from Read the rest of this entry »

Quick, interactive brain teaser to test your concentration and cognitive flexibility

Here is a fun and inter­ac­tive ver­sion of the famous Stroop test, often used in neu­ropsy­cho­log­i­cal eval­u­a­tions to mea­sure response inhi­bi­tion and cog­ni­tive flex­i­bil­ity. Per­form­ing well on the test requires strong con­cen­tra­tion and self-reg­u­la­tion. Read the rest of this entry »

Test your concentration and mental self-rotation skills with this quick brainteaser

map-reading

What is men­tal self-rota­tion?

It is the cog­ni­tive skill to imag­ine your­self in dif­fer­ent loca­tions in space and to imag­ine your­self mov­ing accord­ing­ly. We need that skill in every­day activ­i­ties such as read­ing a map or find­ing our car in the park­ing lot. Read the rest of this entry »

Quick brain teaser for kids and adults: Your answer, please?

In which direc­tion is the bus pic­tured below trav­el­ing?

school bus attention game

Do you know the answer?

The only pos­si­ble answers are “left” or “right.”

Still don’t know?

Keep read­ing for the answer and expla­na­tion… Read the rest of this entry »

Brain teaser to test your cognitive abilities…and biases

brainteaser_considerlinda

Please con­sider Lin­da, a 31-year-old woman, sin­gle and bright. When she was a stu­dent, in high school and in col­lege too, she was deeply involved in social jus­tice issues, and also par­tic­i­pated in envi­ron­men­tal protests. Which is more prob­a­ble about Linda’s occu­pa­tion today? Read the rest of this entry »

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As seen in The New York Times, The Wall Street Journal, BBC News, CNN, Reuters and more, SharpBrains is an independent market research firm tracking health and performance applications of brain science.

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