@article {4668,
	title = {Task relevancy and demand modulate double-training enabled transfer of perceptual learning},
	journal = {Vision Research},
	year = {2012},
	pages = {33-38},
	doi = {10.1016/j.visres.2011.07.019},
	url = {http://www.ncbi.nlm.nih.gov/pubmed/21820004},
	author = {Rui Wang and Jun-Yun Zhang and Stanley A. Klein and Dennis M. Levi and Cong Yu}
}
