http://medicalxpress.com/ en-us Medical Xpress internet news portal provides the latest news on Health and Medicine. Caffeine perks up most coffee-lovers, but a new study shows a small dose of caffeine also increases their speed and accuracy for recognizing words with positive connotation. The research published November 7 in the open access journal PLOS ONE by Lars Kuchinke and colleagues from Ruhr University, Germany, shows that caffeine enhances the neural processing of positive words, but not those with neutral or negative associations. http://medicalxpress.com/news/2012-11-caffeine-recognition-positive-words.html Neuroscience Wed, 07 Nov 2012 17:00:04 EST news271519669