Of course, I've always known that a pattern can create atmosphere or evoke an emotion .
And that in hand with color, can be an amazingly persuasive design force. But I've mostly practiced using the combination intuitively. This is a conscious exercise in application.
At colourlovers.com, you can combine palettes and patterns and name them based solely on 1st inclination. It happens completely intuitively. Its wonderful! Give it a try and let me know what you come up with.