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  Measuring workload during steering: A novelty-P3 study

Scheer, M., Bülthoff, H., & Chuang, L. (2015). Measuring workload during steering: A novelty-P3 study. Poster presented at 57th Conference of Experimental Psychologists (TeaP 2015), Hildesheim, Germany.

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 Creators:
Scheer, M1, 2, Author           
Bülthoff, HH1, 2, Author           
Chuang, LL1, 2, Author           
Affiliations:
1Department Human Perception, Cognition and Action, Max Planck Institute for Biological Cybernetics, Max Planck Society, ou_1497797              
2Max Planck Institute for Biological Cybernetics, Max Planck Society, Spemannstrasse 38, 72076 Tübingen, DE, ou_1497794              

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 Abstract: The workload of a given task, such as steering, can be defined as the demand that it places on the limited attentional and cognitive resources of a driver. Given this, an increase in workload should reduce the amount of resources that are available for other tasks. For example, increasing workload in a primary steering task can decrease attention to oddball targets in a secondary auditory detection task. This can diminish the amplitude of its event-related potential (i.e., P3; Wickens et al., 1984). Here, we present a novel approach that does not require the participant to perform a secondary task. During steering, participants experienced a three-stimuli oddball paradigm, where pure tones were intermixed with infrequently presented, unexpected environmental sounds (e.g., cat meowing). Such sounds are known to elicit a sub-component of the P3, namely novelty-P3. Novelty-P3 reflects a passive shift of attention, which also applies to task-irrelevant events, thus removing the need for a secondary task (Ullsperger et al., 2001). We found that performing a manual steering task attenuated the amplitude of the novelty-P3, elicited by task-irrelevant novel sounds. The presented paradigm could be a viable approach to estimate workload in real-world scenarios.

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 Dates: 2015-03
 Publication Status: Published in print
 Pages: -
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 Table of Contents: -
 Rev. Type: -
 Identifiers: BibTex Citekey: ScheerBC2015
DOI: 10.23668/psycharchives.876
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Title: 57th Conference of Experimental Psychologists (TeaP 2015)
Place of Event: Hildesheim, Germany
Start-/End Date: 2015-03-08 - 2015-03-11

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Title: TeaP 2015: Abstracts of the 57th Conference of Experimental Psychologists
Source Genre: Proceedings
 Creator(s):
Bermeitinger, C, Editor
Moijzisch, A, Editor
Greve, W, Editor
Affiliations:
-
Publ. Info: Lengerich, Germany : Pabst
Pages: - Volume / Issue: - Sequence Number: - Start / End Page: 220 Identifier: ISBN: 978-3-95853-045-4