Psychologist Says: Facebook Makes You Smarter, Twitter Makes You Dumber

Or to be more precise, Dr. Tracy Alloway of the University of Stirling in Scotland says that in a study, Facebook users showed increased working memory, whereas Twitter users showed decreased working memory. She concluded that Facebook has more mentally intensive activities, but Twitter's communications are too brief to require substantial brain activity:

Dr. Alloway has developed a working memory training programme for slow-learning children aged 11 to 14 at a school in Durham, and she found out that Facebook did wonders for working memory, improving the kids’ IQ scores, while YouTube and Twitter’s steady stream of information was not healthy for working memory. Also, playing video games, especially those that involve planning and strategy, can also be beneficial.

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Image: U.S. Department of Energy