I am... surprised at lucounu's challenge (that I have seen in other threads as well) to learning styles because this philosophy is all the rage in education circles right now.
I found this
Wikipedia article on the subject.
I think DeeDee's lumping comment hits the nail on the head. It might be harmless fun to re-label already described disorders with a new aggregate label, if it didn't run the risk of being widely adopted by laypeople, muddying the waters and increasing the chance of some children remaining with problems unidentified. I don't doubt that some of the mentioned VSL coping strategies have helped some children to some degree, but I'm sure that correct treatment of the underlying issues would work as well or better.