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Curtis CE, D'Esposito M.
Success and Failure Suppressing Reflexive Behavior
fMRIDC Accession Number: 2-2003-113E7
Journal of Cognitive Neuroscience 2003 Apr ;15(3): p.409-418
PubMed ID:
12729492
(off-site link)
Study Meta-Data
The dynamic interplay between reflexive and controlled determinants of behavior is one of the most general organizing principles of brain function. A powerful analogue of this interplay is seen in the antisaccade task, which pits reflexive and willed saccadic mechanisms against one another. Event-related functional magnetic resonance imaging of the human brain showed greater prestimulus preparatory activity in the pre-supplementary motor area before voluntary antisaccades (saccades away from a target) compared with reflexive prosaccades (saccades to a target). Moreover, this preparatory activity was critically associated with reflex suppression; it predicted whether the reflex was later successfully inhibited in the trial. These data illustrate a mechanism for top-down control over reflexive behavior.
Supplemental Information
Has anatomical data
Has raw image data
Comments on Success and Failure Suppressing Reflexive Behavior
by
interch
on June 14, 2004 @01:50
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