Researchers highlighted how a grid of light bulbs, where one differs in color, was used to test visual acuity. Participants were challenged to find the odd grey bulb among turquoise ones in just 3 seconds. Such optical illusions help improve concentration and cognitive function while providing an engaging mental exercise.from LifeStyle - Latest Lifestyle News, Hot Trends, Celebrity Styles & Events https://ift.tt/TE6ZbAR
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