Although, as with anything I believe, new information could change my mind, I don't currently think "learning styles" exist in any meaningful sense. Some information or concepts are better learned through, e.g., visual aids, but that's the nature of the information not the learner.

This video by Harvard-educated cognitive psychologist and professor Daniel Willingham is relevant:

http://www.youtube.com/watch?v=sIv9rz2NTUk&feature=playe...