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FMRI visualization of brain activity during a monetary incentive delay task (2010)
| Venue: | NEUROIMAGE 12 |
| Citations: | 178 - 18 self |
BibTeX
@MISC{Knutson10fmrivisualization,
author = {Brian Knutson and Andrew Westdorp and Erica Kaiser and Daniel Hommer},
title = { FMRI visualization of brain activity during a monetary incentive delay task},
year = {2010}
}
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Abstract
Comparative studies have implicated striatal and mesial forebrain circuitry in the generation of autonomic, endocrine, and behavioral responses for incentives. Using blood oxygen level-dependent functional magnetic resonance imaging, we sought to visualize functional activation of these regions in 12 normal volunteers as they anticipated and responded for monetary incentives. Both individual and group analyses of time-series data revealed significant activation of striatal and mesial forebrain structures (including insula, caudate, putamen, and mesial prefrontal cortex) during trials involving both monetary rewards and punishments. In addition to these areas, during trials involving punishment, group analysis revealed activation foci in the anterior cingulate and thalamus. These
Keyphrases
fmri visualization monetary incentive delay task brain activity group analysis time-series data significant activation mesial forebrain structure mesial prefrontal cortex functional activation anterior cingulate behavioral response activation focus monetary reward normal volunteer monetary incentive comparative study mesial forebrain circuitry
