Context-dependent modulation of task switch cost

2006 ◽  
Author(s):  
Myeong-Ho Sohn ◽  
Bruce C. Peterson
Keyword(s):  
Switch Cost ◽  
Task Switch ◽  
Context Dependent

Partitioning task-switch cost with ERPs: Switching slows lexical access

2009 ◽  
Author(s):  
Heike Elchlepp ◽  
Stephen Monsell ◽  
Aureliu Lavric
Keyword(s):  
Lexical Access ◽  
Switch Cost ◽  
Task Switch

Cost of Mental Set Reconfiguration between Digits and their Photisms in Synaesthesia

2011 ◽  
Vol 14 (2) ◽  
pp. 548-555
Author(s):  
Emilio G. Milán ◽  
María Ángeles Rodríguez Artacho ◽  
Sergio Moreno-Ríos ◽  
Mª José de Córdoba ◽  
Alex Pereda ◽  
...  
Keyword(s):  
Cost Reduction ◽  
Time Course ◽  
Switch Cost ◽  
Task Switch ◽  
Control Group ◽  
Control Groups ◽  
Mental Set ◽  
Cost Asymmetry ◽  
The Cost ◽  
Experimental Group

In this study we present an experiment investigating the reconfiguration process elicited by the task switching paradigm in synaesthesia. We study the time course of the operations involved in the activation of photisms. In the experimental Group, four digit-color synaesthetes alternated between an odd-even task and a color task (to indicate the photism elicited by each digit). In both tasks, the target stimuli were numbers between 1 and 9 written in white. One of the control groups ran the same tasks but this time with colored numbers (Naïve Control Group). The results of these studies showed the expected pattern for the control group in the case of regular shift: a significant task switch cost with an abrupt offset and a cost reduction in long RSI. However for the experimental group, we found switch cost asymmetry in the short RSI and non-significant cost in the long RSI. A second control group performed exactly the same tasks as the experimental group (with white numbers as targets and a second imaginary color task) -Trained Control Group-. We found no cost for this second control group. This means that the cost of mental set reconfiguration between numbers (inducers) and their photisms (concurrent sensations) occurs, that there is a specific cost asymmetry (from photisms to inducers) and that this cost cannot be explained by associative learning. The results are discussed in terms of exogenous and endogenous components of mental set reconfiguration.

scholarly journals Shifting Attention Between Visual Dimensions as a Source of Switch Costs

2017 ◽  
Vol 28 (4) ◽  
pp. 470-481 ◽  
Author(s):  
Heike Elchlepp ◽  
Maisy Best ◽  
Aureliu Lavric ◽  
Stephen Monsell
Keyword(s):  
Switch Cost ◽  
Task Switch ◽  
Relevant Stimulus ◽  
Color Classification ◽  
Perceptual Dimension ◽  
Response Mapping ◽  
Stimulus Response ◽  
Switch Costs ◽  
Residual Switch Cost ◽  
Letter Task

Task-switching experiments have documented a puzzling phenomenon: Advance warning of the switch reduces but does not eliminate the switch cost. Theoretical accounts have posited that the residual switch cost arises when one selects the relevant stimulus–response mapping, leaving earlier perceptual processes unaffected. We put this assumption to the test by seeking electrophysiological markers of encoding a perceptual dimension. Participants categorized a colored letter as a vowel or consonant or its color as “warm” or “cold.” Orthogonally to the color manipulation, some colors were eight times more frequent than others, and the letters were in upper- or lowercase. Color frequency modulated the electroencephalogram amplitude at around 150 ms when participants repeated the color-classification task. When participants switched from the letter task to the color task, this effect was significantly delayed. Thus, even when prepared for, a task switch delays or prolongs encoding of the relevant perceptual dimension.

Stimulus-task associations and the task switch cost

2006 ◽  
Author(s):  
Stephen Monsell ◽  
Guy A. Mizon
Keyword(s):  
Switch Cost ◽  
Task Switch

scholarly journals Investigating the impact of dynamic and static secondary tasks on task-switch cost

2018 ◽  
Vol 47 (2) ◽  
pp. 240-256
Author(s):  
Miriam Gade ◽  
Karin Friedrich ◽  
Iring Koch
Keyword(s):  
Switch Cost ◽  
Task Switch ◽  
Secondary Tasks ◽  
The Impact

scholarly journals Reducing task switch cost with action video games

2011 ◽  
Vol 11 (11) ◽  
pp. 212-212
Author(s):  
K. Medford ◽  
M. Sugarman ◽  
C. S. Green ◽  
E. Klobusicky ◽  
D. Bavelier
Keyword(s):  
Video Games ◽  
Switch Cost ◽  
Task Switch ◽  
Action Video Games
Sign in / Sign up

Export Citation Format

Share Document