Abstract
The effects of task-induced cognitive fatigue on performance, strategy, and P300 event-related potentials (ERPs) were examined. Fatigue was induced by task load with participants completing either 700 mental rotation trials with (high fatigue) or without (low fatigue) a secondary task to increase fatigue. No differences were found between groups when examining mental rotation task decision accuracy or strategy; however, the number of trials in which the participant's total trial time was greater than twice their average was influenced by experimental manipulations designed to increase task difficulty. These 'minibreaks', referred to as blocking, may have served to regulate effort expenditure in order to preserve task performance. P300 peak amplitude differed between groups, with high blocking participants showing a reduced amplitude and more dispersed P300 topology compared to low blockers. These results provide compelling evidence that performance outcome may not be affected by task demands if a compensatory effort strategy is utilized.
| Original language | English (US) |
|---|---|
| Pages (from-to) | 680-684 |
| Number of pages | 5 |
| Journal | Proceedings of the Human Factors and Ergonomics Society |
| DOIs | |
| State | Published - Jan 1 2016 |
| Event | Human Factors and Ergonomics Society 2016 International Annual Meeting, HFES 2016 - Washington, United States Duration: Sep 19 2016 → Sep 23 2016 |
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ASJC Scopus subject areas
- Human Factors and Ergonomics
Cite this
A rested development : Effort regulation strategy maintains task performance but alters ERPs in task-induced cognitive fatigue. / Fercho, Kelene A.; Peterson, Doug; Baugh, Lee A.
In: Proceedings of the Human Factors and Ergonomics Society, 01.01.2016, p. 680-684.Research output: Contribution to journal › Conference article
}
TY - JOUR
T1 - A rested development
T2 - Effort regulation strategy maintains task performance but alters ERPs in task-induced cognitive fatigue
AU - Fercho, Kelene A.
AU - Peterson, Doug
AU - Baugh, Lee A.
PY - 2016/1/1
Y1 - 2016/1/1
N2 - The effects of task-induced cognitive fatigue on performance, strategy, and P300 event-related potentials (ERPs) were examined. Fatigue was induced by task load with participants completing either 700 mental rotation trials with (high fatigue) or without (low fatigue) a secondary task to increase fatigue. No differences were found between groups when examining mental rotation task decision accuracy or strategy; however, the number of trials in which the participant's total trial time was greater than twice their average was influenced by experimental manipulations designed to increase task difficulty. These 'minibreaks', referred to as blocking, may have served to regulate effort expenditure in order to preserve task performance. P300 peak amplitude differed between groups, with high blocking participants showing a reduced amplitude and more dispersed P300 topology compared to low blockers. These results provide compelling evidence that performance outcome may not be affected by task demands if a compensatory effort strategy is utilized.
AB - The effects of task-induced cognitive fatigue on performance, strategy, and P300 event-related potentials (ERPs) were examined. Fatigue was induced by task load with participants completing either 700 mental rotation trials with (high fatigue) or without (low fatigue) a secondary task to increase fatigue. No differences were found between groups when examining mental rotation task decision accuracy or strategy; however, the number of trials in which the participant's total trial time was greater than twice their average was influenced by experimental manipulations designed to increase task difficulty. These 'minibreaks', referred to as blocking, may have served to regulate effort expenditure in order to preserve task performance. P300 peak amplitude differed between groups, with high blocking participants showing a reduced amplitude and more dispersed P300 topology compared to low blockers. These results provide compelling evidence that performance outcome may not be affected by task demands if a compensatory effort strategy is utilized.
UR - http://www.scopus.com/inward/record.url?scp=85021781229&partnerID=8YFLogxK
UR - http://www.scopus.com/inward/citedby.url?scp=85021781229&partnerID=8YFLogxK
U2 - 10.1177/1541931213601156
DO - 10.1177/1541931213601156
M3 - Conference article
AN - SCOPUS:85021781229
SP - 680
EP - 684
JO - Proceedings of the Human Factors and Ergonomics Society
JF - Proceedings of the Human Factors and Ergonomics Society
SN - 1071-1813
ER -