Abstract:
:In the present study, we sought to investigate which brain structures are recruited in planning tasks of increasing complexity. For this purpose, a parametric self-paced pseudo-randomized event-related functional MRI version of the Tower of London task was designed. We tested 22 healthy subjects, enabling assessment of imaging results at a second (random effects) level of analysis. Compared with baseline, planning activity was correlated with increased blood oxygenation level-dependent (BOLD) signal in the dorsolateral prefrontal cortex, striatum, premotor cortex, supplementary motor area, and visuospatial system (precuneus and inferior parietal cortex). Task load was associated with increased activity in these same regions. In addition, increasing task complexity was correlated with activity in the left anterior prefrontal cortex, a region supposed to be specifically involved in third-order higher cognitive functioning.
journal_name
Neuroimagejournal_title
NeuroImageauthors
van den Heuvel OA,Groenewegen HJ,Barkhof F,Lazeron RH,van Dyck R,Veltman DJdoi
10.1016/s1053-8119(02)00010-1keywords:
subject
Has Abstractpub_date
2003-02-01 00:00:00pages
367-74issue
2eissn
1053-8119issn
1095-9572pii
S1053811902000101journal_volume
18pub_type
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