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Society for Neuroscience 2013: How sleep aids visual task learning

At the Society for Neuroscience annual meeting in San Diego Nov. 10, 2013, Brown University scientists presented research showing what happens in the brain during sleep to lock in learning of a visually oriented “Where’s Waldo”-like task.

PROVIDENCE, R.I. [Brown University] — As any indignant teacher would scold, students must be awake to learn. But what science is showing with increasing sophistication is how the brain uses sleep for learning as well. At the annual meeting of the Society for Neuroscience in San Diego Nov. 10, 2013, Brown University researchers discussed new research describing the neural mechanism by which the sleeping brain locks in learning of a visual task. (more…)

Brainwaves reflect ability to beat built-in bias

By Guest PostJune 13, 2013Scienceactivity, behavior, brain science, brainwaves, brown institute, brown university, cognitive control, eeg scalp monitors, genetic, humans, ian eisenberg, james cavanagh, marc guitart masip, michael frank, neurological roots, obsessive compulsive disorder, pavlovian bias, prefrontal cortex, psychological factors, quentin huys, situational factors, specific brain activity, symbols, university college london, university of zurich, vertebrates

Many animals, including humans, harbor ingrained biases to act when they can obtain rewards and to remain inactive to avoid punishment. Sometimes, however those biases can steer us wrong. A new study finds that theta brainwave activity in the prefrontal cortex predicts how well people can overcome these biases when a better choice are available.

PROVIDENCE, R.I. [Brown University] — Vertebrates are predisposed to act to gain rewards and to lie low to avoid punishment. Try to teach chickens to back away from food in order to obtain it, and you’ll fail, as researchers did in 1986. But humans are better thinkers than chickens. In the May 8 edition of the Journal of Neuroscience, researchers show that the level of theta brainwave activity in the prefrontal cortex predicts whether people will be able to overcome these ingrained biases when doing so is required to achieve a goal. (more…)

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Society for Neuroscience 2013: How sleep aids visual task learning

Brainwaves reflect ability to beat built-in bias