Hi: Which is the difference between MNI_152_T1 and AVG152T1 standards ?... Sincerely, -- Gonzalo Rojas Costa Laboratory of Medical Image Processing Department of Neuroradiology Institute of Neurosurgery Dr. Asenjo Jose Manuel Infante 553, Providencia, Santiago, Chile. Tel/Fax: 56-2-5754653 Cel: 56-9-97771785 www.neurorradiologia.cl