Dopamine drives interest.

Positive expectations or desire increases it while fear decreases it. Visualizations and changes/novelty can both increase it. Facilitates brain connections; need a good level to hang onto ideas. Humor also increases. Main driver of motivation.rR1 Maintaining high levels can be done with care.

  1. David Rock, Your Brain at Work: Strategies for Overcoming Distraction, Regaining Focus, and Working Smarter All Day Long, 1st ed (New York: Harper Business, 2009). (See notes.)