Dual-task redundant-target processing: The case of the limited capacity parallel model

Stephanie A. Morey, Nicole A. Thomas, Jason S. McCarley

Research output: Chapter in Book/Report/Conference proceedingConference PaperResearch


We examined the effect of a central tracking task on visual target processing efficiency in a combined target detection/manual tracking paradigm. Participants performed a redundant-target task by itself, and concurrently with the tracking task. A measure of workload capacity gauged target processing efficiency. Processing was less efficient than predicted by a standard parallel race model under both levels of task load. However, data suggested no difference in processing efficiency between the single- and dual-task conditions. Our findings provide further evidence that processing capacity for peripheral visual targets is consistently limited but robust against changes to concurrent task load.

Original languageEnglish
Title of host publicationProceedings of the Human Factors and Ergonomics Society 2018 Annual Meeting (HFES 2018)
Place of PublicationRed Hook, NY
PublisherSAGE Publications Ltd
Number of pages5
ISBN (Print)9781510889538
Publication statusPublished - 2018
Externally publishedYes
EventInternational Annual Meeting of the Human Factors and Ergonomics Society 2018 - Philadelphia Marriott Downtown, Philadelphia, United States of America
Duration: 1 Oct 20185 Oct 2018
Conference number: 62nd

Publication series

NameProceedings of the Human Factors and Ergonomics Society
ISSN (Print)1071-1813


ConferenceInternational Annual Meeting of the Human Factors and Ergonomics Society 2018
Abbreviated titleHFES 2018
Country/TerritoryUnited States of America

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