FIDMAG Germanes Hospitalàries Freeware Yes Translational Neuroimaging Group NITRC Seed-based d Mapping (SDM, formerly Signed Differential Mapping) Yes Seed-based d Mapping (formerly "Signed Differential Mapping") is a statistical technique for meta-analyzing studies on differences in brain activity or structure that used neuroimaging techniques such as fMRI, VBM, DTI or PET. The methods have been fully validated in several studies, and meta-analyses using this method have been already published at the highest quality journals, such as Molecular Psychiatry, JAMA Psychiatry or the American Journal of Psychiatry. 2012-4-16 sdm v2.31 Seed-based d Mapping (SDM, formerly Signed Differential Mapping) Freeware, MR, PET/SPECT, Agnosia, Alzheimer Disease, Aphasia, Apraxias, Ataxia, Attention Deficit Disorder with Hyperactivity, Autistic Disorder, Diabetes Mellitus, Dyslexia, Epilepsy, Hypertension, Huntington Disease, Hydrocephalus, Amyotrophic Lateral Sclerosis, Multiple Sclerosis, Muscular Dystrophies, Obsessive-Compulsive Disorder, Parkinson Disease, Child Development Disorders, Pervasive, Stroke, Tourette Syndrome, Brain Injuries, Bipolar Disorder, Schizophrenia, Migraine Disorders, http://