Does Thinking Positive Really Help?

Scientists may have found a physiological explanation for the power of positive thinking. When optimists and pessimists attempt the same task, their different attitudes are reflected in different neural activities in their brains. Researchers at the California Institute of Technology found that participants in brain-scanning experiments who thought they were doing well on a complex task had greater neural activity in a high-level area of the brain called the posterior parietal cortex (PPT)....Full Story
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