title: A tilt after-effect for images of buildings: evidence of selectivity for the orientation of everyday scenes.
abstract: The tilt after-effect (TAE) is thought to be a manifestation of gain control in mechanisms selective for spatial orientation in visual stimuli. It has been demonstrated with luminance-defined stripes, contrast-defined stripes, orientation-defined stripes and even with natural images. Of course, all images can be decomposed into a sum of stripes, so it should not be surprising to find a TAE when adapting and test images contain stripes that differ by 15° or so. We show this latter condition is not necessary for the TAE with natural images: adaptation to slightly tilted and vertically filtered houses produced a 'repulsive' bias in the perceived orientation of horizontally filtered houses. These results suggest gain control in mechanisms selective for spatial orientation in natural images.
authors.affiliation: Department of Experimental Psychology, School of Biological and Chemical Sciences , Queen Mary University of London , London , UK.
authors.forename: Ahamed Miflah
authors.identifier: 0000-0001-8974-2366
authors.initials: AM
authors.lastname: Hussain Ismail
authors.affiliation: Centre for Applied Vision Research City , University of London , London , UK.
authors.forename: Joshua A
authors.initials: JA
authors.lastname: Solomon
authors.affiliation: School of Electronic Engineering and Computer Science , Queen Mary University of London , London , UK.
authors.forename: Miles
authors.initials: M
authors.lastname: Hansard
authors.affiliation: Department of Experimental Psychology, School of Biological and Chemical Sciences , Queen Mary University of London , London , UK.
authors.forename: Isabelle
authors.initials: I
authors.lastname: Mareschal
keywords: global orientation; natural images; spatially non-specific; tilt after-effect