Real Simple explains how to get your brain to operate more efficiently.
Jonah Lehrer lists 10 ways to improve your thinking (excerpt):
1. Tap your emotions.
2. Don’t think under pressure.
3. Consider alternative points of view.
4. Challenge your preferences.
5. Take long showers.
6. Be skeptical of your memories.
7. Don’t expect to diet and finish the crossword.
8. Study your mistakes.
9. Go ahead and daydream.
10. Think about thinking.