Sudden moves spark brain battle

Working with barn owls, neuroscientists at Stanford University in California found that neurons in the midbrain, which acts as a relay for sensory information, engage in a 'winner takes all' battle with one another. To the victors go the owl's gaze and attention. The findings, presented at the annual meeting of the Society for Neuroscience in Chicago, Illinois, could explain how the brain decides where to look in an emergency

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http://www.nature.com/news/2009/091023/full/news.2009.1038.html?s=news