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1. 2. In the past few decades, computers have improved greatly. They are now smaller, faster, and cheaper.

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1. 3. Science has revealed a great deal about how the brain works.

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1. 4. People believed that our left brain and left brain worked independently, but later researchers found otherwise.

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1. 5. Art can improve the lives of young people by helping them to become more creative.

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1. 6. By increasing your mental flexibility, you become a more skilled thinker and problem solver.

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1. 7. Many teenagers display physical problems like headaches or stomachaches when they get angry with their parents.

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1. 8. Doing mathematical problems require logical thought. You must think about the problems before you can solve them.

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1. 9. Studies indicate that several parts of the brain work together to help us remember things.

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1. 10. In psychology, information processing refers to the way we handle information.