Infants Perceive Three-Dimensional Illusory Contours as Occluding Surfaces

• Autores: Michael Kavšek, Elmira Marks
• Localización: Child development, ISSN 0009-3920, Vol. 86, Nº. 6, 2015, págs. 1865-1876
• Idioma: inglés
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• Resumen

  • The study assessed the contribution of stereoscopic depth cues to infants' perception of a Kanizsa rectangle as a surface that temporarily occludes a moving object. In Experiment 1, the Kanizsa figure was shifted into the foreground by enriching it with stereoscopic depth information. According to the results, perception of a three-dimensional Kanizsa figure as an occluding surface emerges between 5 (n = 16) and 7 (n = 16) months of age. Experiment 2 demonstrated that 7-month-old (n = 16) infants performed similarly to the 7-month-olds who participated in Experiment 1 if the moving object was shifted into the background. These findings suggest that 7-month-old infants respond to stereoscopic depth cues and that they exploit it to perceive subjective contours as occluders.