![]() ![]() During this task, the scientists then flashed images of other monkeys' faces onto the periphery of the screen. In the new study, Platt and his team trained monkeys to shift their gaze to a visual target in order to get a juice reward. "Where the eyes go and how much visual information gets in seems to be telling us a lot about what's going on inside the brain," said Michael Platt, director of the Duke Institute for Brain Sciences and the Center for Cognitive Neuroscience. ![]() And in the clinic, pupils may help diagnose or identify people at risk for mental illnesses, such as anxiety, or the effectiveness of potential therapies. In recent years, researchers have gained a greater appreciation of the importance of eye movements and pupil size for focusing the mind, and how the brain might regulate these behaviors.īuilding on these studies, a new generation of cars may read our eyes for signs of distraction or sleepiness, for example. The results could also inspire new ways to improve performance in school or on the job. 4 in the journal Neuron, may inform our understanding of attention deficit hyperactivity disorder or other disorders in which mechanisms for maintaining attention go awry. ![]() Duke University researchers have looked into monkeys' eyes for insight into how the brain processes distractions and they've found that changes to pupil size in response to distractors might predict how well the brain focuses on a goal. ![]()
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