Open Access. The accepted version of this work has been reproduced here according to the publisher's polices.
This is an Author's Accepted Manuscript of an article published in the Journal of Clinical and Experimental Neuropsychology. This is an author version of a work that was accepted for publication in the Journal of Clinical and Experimental Neuropsychology. Changes resulting from the publishing process, such as peer review, editing, corrections, structural formatting, and other quality control mechanisms may not be reflected in this document. Changes may have been made to this work since it was submitted for publication. The final version of the article as published is available online at: http://www.tandfonline.com/10.1080/13803395.2011.633498 (Please note: access via this link may only be available with a subscription)
Copyright (2012) Psychology Press, an imprint of the Taylor & Francis Group, an Informa business.
Journal of Clinical and Experimental Neuropsychology, 34(3): 269 - 278