Nobel Prize winner Daniel Kahneman is an Israeli-American psychologist who is renowned for his work in behavioral economics and hedonic psychology.

Intuition: Marvels and Flaws

In this one hour lecture he gave at UC Berkeley in August 2007, he explores the idea of intuition. He distinguishes two modes of thinking, what he calls System 1 and System 2.

System 1: Intuition
eg. reading a facial expression
• Fast
• Automatic
• Slow-learning
• Effortless
• Associative

System 2: Reasoning
eg. calculating 17 x 24 is 408
• Slow
• Controlled
• Flexible
• Effortful
• Rule-governed

From the same series, Daniel Kahneman on

Well-Being: Living and Thinking About It