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Updated: May 8, 2026
11:09
RBDT: A Computerized Task System based in Transposition for the Continuous Analysis of Relational Behavior Dynamics in Humans
Published on: July 17, 2021
What are task-sets: a single, integrated representation or a collection of multiple control representations?
Dragan Rangelov1, Thomas Töllner, Hermann J Müller
1Department Psychologie, Allgemeine und Experimentelle Psychologie I, Ludwig-Maximilians-Universität München München, Germany.
Frontiers in Human Neuroscience
|September 13, 2013
Summary
Task sets are not a single unit but rather a collection of independent components. This finding supports the "agglomerated-task-set" hypothesis, suggesting flexibility in cognitive control.
Area of Science:
- Cognitive Psychology
- Neuroscience
- Human-Computer Interaction
Background:
- Task switching incurs costs (task switch costs, TSC), reflecting cognitive control reconfiguration.
- Previous research debated whether task sets are integrated or agglomerated.
Purpose of the Study:
- To investigate if task sets function as a single integrated representation or as independent components.
- To examine dimension repetition effects (DREs) across task switches.
Main Methods:
- Used a cued task switch paradigm with alternating target detection and discrimination tasks.
- Analyzed reaction times (RTs) and event-related potentials (ERPs): Posterior-Contralateral-Negativity (PCN) and Sustained-Posterior-Contralateral-Negativity (SPCN).
Main Results:
- Significant DREs were found across both task switches and repetitions in RTs.
- Significant DREs were also observed for PCN and SPCN components during task switches.
- These findings indicate that control settings can be partially reused across different tasks.
Conclusions:
- Results support the
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