title: A model for identifying the perceptual centre of polygons.
abstract: An attempt is made to develop a general model of perceptual-centre determination. The model describes the possible 'perceptual operations' involved in determining the perceptual centre of flat figures. The specific steps in the model are: (i) determining the orientation and size of the figure; (ii) determining the 'base' of the figure and its 'top-bottom axis'. It is suggested that anisotropy along the main axes of the figures determines a displacement of the perceptual centre toward the phenomenal top of the shape. A quantitative measure for the displacement of the perceptual centre from the area barycentre of the figure is introduced.
authors.affiliation: Dipartimento di Psicologia Generale, Università degli Studi di Padova, Italy.
authors.forename: M
authors.initials: M
authors.lastname: Davi
mesh_terms: D005556:Form Perception / Q000502:physiology*; D006801:Humans; D008954:Models, Biological; D009949:Orientation; D010469:Perceptual Distortion / Q000502:physiology; D012016:Reference Values; D012160:Retina / Q000502:physiology; D013028:Space Perception / Q000502:physiology*