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Component processes underlying voluntary task selection: Separable contributions of task-set inertia and
Michael J Imburgio1, Joseph M Orr2
1Department of Psychological and Brain Sciences, 4235 TAMU, College Station, TX 77843, USA.
Cognition
|March 29, 2021
Summary
Cognitive task switching theories struggle with voluntary switching. Drift diffusion models revealed that response-to-stimulus interval length impacts preparation, while cue-timing effects depend on the required response.
Area of Science:
- Cognitive psychology
- Neuroscience
- Computational modeling
Background:
- Task switching involves cognitive reconfiguration and inertia.
- Cue-to-Stimulus Interval (CSI) and Response-to-Cue (RCI) influence these processes.
- Existing theories inadequately explain voluntary task switching.
Purpose of the Study:
- To investigate cognitive processes in voluntary task switching using drift diffusion models.
- To examine the roles of task-set reconfiguration and inertia.
- To analyze performance in single- and double-registrant voluntary task switching paradigms.
Main Methods:
- Utilized drift diffusion models for analysis.
- Examined single- and double-registrant voluntary task switching.
- Manipulated Response-to-Stimulus (RSI) and Cue-to-Stimulus Interval (CSI) lengths.
Main Results:
- RSI length moderated nondecision time in both paradigms, indicating preparation.
- In double-registrant tasks, RSI also moderated task set inertia.
- CSI length affected general preparation, but not switch-specific preparation, in double-registrant tasks.
Conclusions:
- Voluntary task switching involves both general and switch-specific preparation.
- The timing of cues and responses significantly influences cognitive preparation.
- Future research should use EEG to validate these findings on preparation effects.
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