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Scanning Parameters Whole brain gradient-echo echo-planar images (30 3,5 mm

Summary: Scanning Parameters
Whole brain gradient-echo echo-planar images (30 3,5 mm
axial slices, TR = 2210 msec, FOV = 224 mm; TE: 40 msec,
flip angle = 70) were collected on a 3.0 T Siemens TRIO
Data Analysis
Data were preprocessed and analyzed using 2nd level random
effects analyses in SPM2.
Neural correlates of endogenous and exogenous control in task switching
Esther Aarts a,b, Ardi Roelofs a,b, & Miranda van Turennout a,c
a F.C. Donders Centre for Cognitive Neuroimaging, b Nijmegen Institute for Cognition and Information, c Behavioral Science Institute
Radboud University Nijmegen, The Netherlands
Control processes in task switching include endogenous
and exogenous components(1,2)
. Endogenous processes
can be evoked by an instruction cue allowing for
preparation for an upcoming imperative stimulus.
Stimuli themselves may evoke exogenous adjustments
in control. MacDonald et al.(3)


Source: Aarts, Esther - Helen Wills Neuroscience Institute, University of California at Berkeley


Collections: Biology and Medicine