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Meta-Analysis
. 2012 Jan;33(1):130-42.
doi: 10.1002/hbm.21199. Epub 2011 Mar 9.

Domain General and Domain Preferential Brain Regions Associated With Different Types of Task Switching: A Meta-Analysis

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Free PMC article
Meta-Analysis

Domain General and Domain Preferential Brain Regions Associated With Different Types of Task Switching: A Meta-Analysis

Chobok Kim et al. Hum Brain Mapp. .
Free PMC article

Abstract

One of our highest evolved functions as human beings is our capacity to switch between multiple tasks effectively. A body of research has identified a distributed frontoparietal network of brain regions which contribute to task switching. However, relatively less is known about whether some brain regions may contribute to switching in a domain-general manner while others may be more preferential for different kinds of switching. To explore this issue, we conducted three meta-analyses focusing on different types of task switching frequently used in the literature (perceptual, response, and context switching), and created a conjunction map of these distinct switch types. A total of 36 switching studies with 562 activation coordinates were analyzed using the activation likelihood estimation method. Common areas associated with switching across switch type included the inferior frontal junction and posterior parietal cortex. In contrast, domain-preferential activation was observed for perceptual switching in the dorsal portion of the premotor cortex and for context switching in frontopolar cortex. Our results suggest that some regions within the frontoparietal network contribute to domain-general switching processes while others contribute to more domain-preferential processes, according to the type of task switch performed.

Figures

Figure 1
Figure 1
Activations associated with task switching contrasts collapsed across switch type. The ALE activation map thresholded at p<.05 (corrected) is overlaid onto the “colinbrain” template. Numbers indicate z-coordinates of axial planes.
Figure 2
Figure 2
Activations associated with each switch type and their conjunction. The ALE activation maps of separate context, response, and perceptual switching contrasts compared to non-switching overlaid on a common “colinbrain” template (A). The conjunction of context, response, and perceptual switching contrasts is presented in axial slices with z-coordinates (B). Numbers indicate z-coordinates of axial planes.
Figure 3
Figure 3
Domain-preferential activations according to switch type. The ALE activation maps of three direct comparisons: 1) context switching vs. response and perceptual switching; 2) response switching vs. context and perceptual switching; 3) perceptual switching vs. context and response switching. The activation maps thresholded at p<.05 (corrected) are overlaid onto the “colinbrain” template. Numbers indicate z-coordinates of axial planes.

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