An Assessment of Fixed-capacity Models of Visual Working Memory

Overview

Journal Proc Natl Acad Sci U S A

Specialty Science

Date 2008 Apr 19

PMID 18420818

Citations 149

Authors

Jeffrey N Rouder

Richard D Morey

Nelson Cowan

Christopher E Zwilling

Candice C Morey

Michael S Pratte

Affiliations

Soon will be listed here.

Abstract

Visual working memory is often modeled as having a fixed number of slots. We test this model by assessing the receiver operating characteristics (ROC) of participants in a visual-working-memory change-detection task. ROC plots yielded straight lines with a slope of 1.0, a tell-tale characteristic of all-or-none mnemonic representations. Formal model assessment yielded evidence highly consistent with a discrete fixed-capacity model of working memory for this task.

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