A few short weeks ago I ran a day’s workshop on Psychology for Designers at the wonderful Smashing Conference in Oxford. I spoke about how psychology can make your designs better and you a better designer.
Psychology for Designers Workshop Slides and Notes PDF, 30Mb.
Links to all the theories, ideas and things we talked about. To search for specific stuff use the tag uxcogpsy + the keyword you are looking for.
And of course my book, only £2.75/$5.