Sources of secondary task interference with driving: Executive processes or verbal and visuo-spatial rehearsal processes?

Nichole Morris, Cooper Phillips, Kathleen Thibault, Alex Chaparro

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

1 Scopus citations

Abstract

We investigated the effects of secondary working memory tasks that loaded either visuo-spatial working memory or verbal working memory (phonological loop) and which required either rehearsal or executive processes involving stimulus manipulation. The effects of the secondary tasks on driver look-out behavior and driving performance were assessed. Preliminary studies were conducted to select tasks that resulted in similar levels of accuracy and perceived difficulty across modalities (visuo-spatial, verbal, rehearse, and manipulate). Piloting and the preliminary studies were also used to evaluate different visual tasks and to select a visual task that could not be encoded verbally. Results of the study reveal that driving performance is significantly impaired while performing a secondary manipulation task than performing a rehearsal task of equivalent difficulty. The study finds that visuo-spatial and verbal secondary tasks produce the same level of interference with overall driving performance.

Original languageEnglish (US)
Title of host publication52nd Human Factors and Ergonomics Society Annual Meeting, HFES 2008
PublisherHuman Factors an Ergonomics Society Inc.
Pages1556-1559
Number of pages4
ISBN (Print)9781605606859
DOIs
StatePublished - 2008
Event52nd Human Factors and Ergonomics Society Annual Meeting, HFES 2008 - New York, NY, United States
Duration: Sep 22 2008Sep 26 2008

Publication series

NameProceedings of the Human Factors and Ergonomics Society
Volume3
ISSN (Print)1071-1813

Other

Other52nd Human Factors and Ergonomics Society Annual Meeting, HFES 2008
CountryUnited States
CityNew York, NY
Period9/22/089/26/08

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