[1] Univ Deusto, Dept Metodos & Fundamentos Psicol, Avda Univ 24, E-48007 Bilbao, Spain
[2] Inst Invest Sanitaria Biocruces Bizkaia, Grp Enfermedades Neurodegenerat, Baracaldo, Bizkaia, Spain
[3] Univ Int La Rioja, Logrono, La Rioja, Spain
[4] Johns Hopkins Univ, Dept Psiquiatria & Ciencias Comportamiento, Dept Russell H Morgan Radiol & Ciencias Radiol, Fac Med, Baltimore, MD USA