Prins N, Mussap A J, 2001, "Adaptation reveals a neural code for the visual location of orientation change" Perception 30(6) 669 – 680
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Adaptation reveals a neural code for the visual location of orientation change
Nicolaas Prins, Alexander J Mussap
Received 31 July 2000, in revised form 3 January 2001
Abstract. We apply an adaptation technique to explore the neural code for the visual location of textures defined by modulation of orientation over space. In showing that adaptation to textures modulated around one orientation shifts the perceived location of textures modulated around a different orientation, we demonstrate the existence of a neural code for the location of orientation change that generalises across orientation content. Using competitive adaptation, we characterise the neural processes underlying this code as single-opponent for orientation, that is with concentric excitatory/inhibitory receptive areas tuned to a single orientation.
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