Pub. date: 2010 | Online Pub. Date: December 16, 2009 | DOI: 10.4135/9781412972000 | Print ISBN: 9781412940818 | Online ISBN: 9781412972000| Publisher:SAGE Publications, Inc.About this encyclopedia
In a broad sense, the term recognition refers to the explicit feeling of familiarity that occurs when, for example, we view an object or hear a voice that we have experienced previously. It has been widely investigated in the visual domain, and this entry is thus based mainly on this field of research. By definition, accurate recognition can only occur for objects or sets of objects that we have experienced (seen) in the past. Recognition is fundamental to interpreting perceptual experiences, as it gives explicit meaning to our visual input. Recognition presupposes two processing steps: (1) Previously seen objects have been stored in memory; (2) When an object is seen again, its image is compared to the stored representation. A match is successful when there is sufficient similarity between the image of the object and a stored representation. There are also different levels of recognition, and our visual system can ...