Max Coltheart acknowledged her contribution to his own studies in learning to read and developmental dyslexia.
[2] Castles then commenced teaching and research at the University of Melbourne in the Department of Psychology.
Returning to Macquarie University in 2007, she took up a CORE research appointment at MACCS, and in 2010, she was appointed Scientific Director of the Macquarie Centre for Cognitive Science and then became Head of the Department of Cognitive Science.
[4] Castles has been critical of the Arrowsmith Program, which has been incorporated in public and private schools in Canada, the United States, Australia, and New Zealand,[5] and is claimed to help students with learning disabilities by using research in neuroplasticity theories.
[9] She has also provided extensive discussion in the media on the issue of dyslexia in school children's learning.