Out of mind, but not out of sight: intentional control of visual memory.

Full Abstract

Does visual information enjoy automatic, obligatory entry into memory, or, after such information has been seen, can it still be actively excluded? To characterize the process by which visual information could be excluded from memory, we used Sternberg's (1966, 1975) recognition paradigm, measuring visual episodic memory for compound grating stimuli. Because recognition declines as additional study items enter memory, episodic recognition performance provides a sensitive index of memory's contents. Three experiments showed that an item occupying a fixed serial position in a series of study items could be intentionally excluded from memory. In addition, exclusion does not depend on low-level information, such as the stimulus's spatial location, orientation, or spatial frequency, and does not depend on the precise timing of irrelevant information, which suggests that the exclusionprocess is triggered by some event during a trial. The results, interpreted within the framework of a summed similarity model for visual recognition, suggest that exclusion operates after considerable visual processing of the to-be-excluded item.

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Author information

Author/s: Yotsumoto, Yuko (Y); Sekuler, Robert (R);

Affiliation: Brandeis University, Waltham, Massachusetts 02454, USA.

Grants: MH-55687 (Agency:NIMH NIH HHS)

Journal and publication information

Publication Type: Journal Article; Research Support, N.I.H., Extramural; Research Support, U.S. Gov't, Non-P.H.S.

Journal: Memory & cognition (Mem Cognit), published in United States. (Language: eng)

Reference: 2006-Jun; vol 34 (issue 4) : pp 776-86

Dates: Created 2006/10/26; Completed 2006/11/30; Revised 2007/12/03;

PMID: 17063909, status: MEDLINE (last retrieval date: 12/26/2008)

Sourced from the National Library of Medicine. Abstract text and other information may be subject to copyright.

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MeSH headings (categories)

This article was linked to the MESH Headings shown below.

Adolescent
Adult
Cognition
Humans
Intention

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