# In an op-ed, Prof. Hal Hershfield explains the effects of nostalgic thinking

1 Faculty News November 10, 2012 ![Psychology Today logo](/sites/default/files/styles/246w/public/assets/images/con_031090.jpg?itok=H_RURAAM)>

Excerpt from [Psychology Today](http://www.psychologytoday.com/blog/the-edge-choice/201211/sweet-past) -- "When experiencing nostalgia, you may feel happiness thinking about what once was, but also a slight twinge of sadness when you recognize that certain aspects of your life, or life in general, are no longer present."

[Read more  ](http://www.psychologytoday.com/blog/the-edge-choice/201211/sweet-past)