Journal article
Electrophysiological, behavioral, and subjective indexes of workload when performing multiple tasks: manipulations of task difficulty and training
International journal of psychophysiology, Vol.31(2), pp.129-145
1999
Handle:
https://hdl.handle.net/2376/114829
PMID: 9987059
Abstract
This study examined whether alpha event-related desynchronization (ERD) and theta event-related synchronization (ERS) could successfully measure changes in cognitive workload and training while an operator was engaged in a continuous, interactive, control task(s). Alpha 1 (8–10 Hz) ERD, alpha 2 (10–12 Hz) ERD, and theta (3–7 Hz) ERS were determined for a communications event that occurred during multiple task workload conditions or as a single task. Other measures (alpha and theta EEG power, heart rate, respiration, eye blinks, behavioral performance, and subjective workload ratings) were also evaluated. Results showed that alpha 2 EEG, heart rate, behavioral, and subjective measures were sensitive to changes in workload in the multiple tasks. In addition, eye blink rate and behavioral measures were sensitive to training. Alpha ERD and theta ERS were not sensitive to workload and training in our interactive, multiple task environment. However, they were effective indexes of cognitive/behavioral demands within an interactive single task.
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Details
- Title
- Electrophysiological, behavioral, and subjective indexes of workload when performing multiple tasks: manipulations of task difficulty and training
- Creators
- Lisa R Fournier - Psychology Department, Washington State University, Pullman, WA 99164-4820, USAGlenn F Wilson - Air Force Research Laboratory Dayton, Ohio USACarolyne R Swain - Logicon Technical Services, Inc., Dayton, Ohio USA
- Publication Details
- International journal of psychophysiology, Vol.31(2), pp.129-145
- Academic Unit
- Psychology, Department of
- Publisher
- Elsevier B.V
- Identifiers
- 99900547307401842
- Language
- English
- Resource Type
- Journal article