Visuospatial referents facilitate the learning and transfer of mathematical operations: extending the role of the angular gyrus
Cognitive Affective & Behavioral Neuroscience (2015) - Comment
pubmed: 25239150  doi: 10.3758/s13415-014-0317-4  issn: 1530-7026  issn: 1531-135x 

Aryn Pyke, Shawn Betts, Jon M. Fincham, John R. Anderson