Visual memory of objects in natural scenes: From fixations to object files

BW Tatler, ID Gilchrist, MF Land

Research output: Contribution to journalArticle (Academic Journal)peer-review

76 Citations (Scopus)

Abstract

Object descriptions are extracted and retained across saccades when observers view natural scenes. We investigated whether particular object properties are encoded and the stability of the resulting memories. We tested immediate recall of multiple types of information from real-world scenes and from computer-presented images of the same scenes. The relationship between fixations and properties of object memory was investigated. Position information was encoded and accumulated from multiple fixations. In contrast, identity and colour were encoded but did not require direct fixation and did not accumulate. In the current experiments, participants were unable to recall any information about shape or relative distances between objects. In addition, where information was encoded we found differential patterns of stability. Data from viewing real scenes and images were highly consistent, with stronger effects in the real-world conditions. Our findings imply that object files are not dependent upon the encoding of any particular object property and so are robust to dynamic visual environments.
Translated title of the contributionVisual memory of objects in natural scenes: From fixations to object files
Original languageEnglish
Pages (from-to)931 - 960
Number of pages30
JournalQuarterly Journal of Experimental Psychology Series A Human Experimental Psychology
Volume58A
DOIs
Publication statusPublished - 2005

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