[1] UCL, Res Dept Linguist, London, England
[2] Natl & Kapodistrian Univ Athens, Dept Neurol 1, Neuropsychol & Language Disorders Unit, Athens, Greece
[3] Univ Crete, Sch Med, Div Psychiat & Behav Sci, Voutes Campus, Iraklion, Crete, Greece
[4] Univ Paris 05, Hop St Anne, Serv Imagerie Morphol & Fonct, Paris, France
[5] UCL, Res Dept Clin Educ & Hlth Psychol, London, England
[6] Birkbeck Univ London, Dept Psychosocial Studies, London, England
[7] Harvard Med Sch, Massachusetts Gen Hosp, Neuropsychol Lab, 100 Cambridge St 2000, Boston, MA 02114 USA