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Electrophysiological correlates of anticipatory task-switching processes
Citation
Nicholson, R and Karayanidis, F and Poboka, D and Heathcote, A and Michie, PT, Electrophysiological correlates of anticipatory task-switching processes, Psychophysiology: An International Journal, 42 pp. 540-554. ISSN 0048-5772 (2005) [Refereed Article]
DOI: doi:10.1111/j.1469-8986.2005.00350.x
Abstract
Recent studies show a differential switch-related positivity emerging before a switch trial and reflecting anticipatory task-set reconfiguration processes. In this study, the switch-related positivity was examined in a cued task-switching paradigm. Cue-stimulus and response-stimulus intervals were independently manipulated to dissociate between the
effects of anticipatory preparation and passive dissipation of task-set interference. Reaction time switch cost declined with increasing cue-stimulus and response-stimulus intervals, suggesting a contribution from both active preparation and passive interference processes. In cue-related difference waveforms, a switch positivity peaked around 350–400 ms and is interpreted as reflecting differential activation of task-set reconfiguration. In stimulus related difference waveforms, a switch-related negativity is believed to indicate the role of S-R priming and response interference in taskswitching.
Item Details
Item Type: | Refereed Article |
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Research Division: | Psychology |
Research Group: | Cognitive and computational psychology |
Research Field: | Decision making |
Objective Division: | Expanding Knowledge |
Objective Group: | Expanding knowledge |
Objective Field: | Expanding knowledge in psychology |
UTAS Author: | Heathcote, A (Professor Andrew Heathcote) |
ID Code: | 99784 |
Year Published: | 2005 |
Web of Science® Times Cited: | 136 |
Deposited By: | Medicine |
Deposited On: | 2015-04-09 |
Last Modified: | 2015-05-11 |
Downloads: | 0 |
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