Daniel Kahneman
The riddle of experience vs. memory

Using examples from vacations to colonoscopies, Nobel laureate and founder of behavioral economics Daniel Kahneman reveals how our "experiencing selves" and our "remembering selves" perceive happiness differently. This new insight has profound implications for economics, public policy -- and our own self-awareness.

http://www.youtube.com/watch?v=XgRlrBl-7Yg