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Brief Communication

Nature Neuroscience 6, 113–114 (1 February 2003) | doi:10.1038/nn1004

Capricious expression of cortical columns in the primate brain

Daniel L. Adams & Jonathan C. Horton

Columns are widely thought be the elementary functional module of the cerebral cortex, but their exact purpose remains unknown. In a group of 12 normal squirrel monkeys, we have found enormous variability in the expression of ocular dominance columns.