Abstract:
:In this study, we determined whether the visuospatial attention network of frontal, parietal, and occipital cortex can be parsed into two different subsets of active regions associated with transient and sustained processes within the same cue-to-target delay period of an endogenously cued visuospatial attention task. We identified regions with early transient activity and regions with later sustained activity during the same trials using a general linear model analysis of event-related BOLD functional MRI data with two timecourse covariates for the same cue-to-target delay period. During the delay between the cue and target, we observed significant transient activity in right frontal eye field and right occipital-parietal junction, and significant sustained activity in right ventral intraparietal sulcus and right dorsolateral and anterior prefrontal cortex.
journal_name
Neuroreportjournal_title
Neuroreportauthors
Luks TL,Sun FT,Dale CL,Miller WL,Simpson GVdoi
10.1097/WNR.0b013e3282f4a14fsubject
Has Abstractpub_date
2008-01-22 00:00:00pages
155-9issue
2eissn
0959-4965issn
1473-558Xpii
00001756-200801220-00005journal_volume
19pub_type
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