OPAM 2011 - Object Perception, Attention, and Memory 2011: Conference Abstracts

Haladjian (a,b) & Mathy (a). Snapshot encoding of spatial information: Location memory for visual-short-term- and short-term-memory exposures. Poster presented at the 19th Annual Object Perception, Attention, and Memory (OPAM) Meeting of the Psychonomic Society, Seattle, WA (11/11).

(a) Département de Psychologie, Université de Franche-Comté
(b) Rutgers Center for Cognitive Science

This study investigates the accuracy of spatial memory for sets of objects. Observers viewed masked displays containing 1-10 randomly-placed discs for durations of 1-second per disc, and then reported their locations. Compared to a previous study that presented the same stimuli briefly (50 to 350-ms), observers were better at reporting the correct number of discs but localization accuracy did not improve significantly. Additionally, responses were spread among different clusters and not focused on individual clusters. These results indicate that spatial information for a set of objects is extracted globally (not sequentially) and quickly, with little benefit from extended encoding durations.