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Rotation of a cue card attached to the wall of an otherwise featureless cylindrical environment. Left: activity of two cell recordings [Reprinted by permission from Society of Neuroscience: Journal of Neuroscience (Knierim et al., 1995)]. Right: activity of two cells as produced by our computer simulation. In both experiments and simulations the cue card was rotated by 90° after familiarization and the spatial representation shown to be bound to the single available visual cue.
