Matches in SemOpenAlex for { <https://semopenalex.org/work/W2103073562> ?p ?o ?g. }
- W2103073562 endingPage "4112" @default.
- W2103073562 startingPage "4105" @default.
- W2103073562 abstract "Previous studies have demonstrated the ability of the [ 11 C]raclopride positron emission tomography (PET) technique to measure behaviorally induced changes in endogenous dopamine transmission in humans. However, these studies have lacked well matched sensorimotor control conditions, making it difficult to know what sensory, cognitive, or motor features contributed to changes in dopaminergic activity. Here we report on [ 11 C]raclopride PET studies in which healthy humans performed card selection tasks for monetary rewards. During separate scans, subjects completed a variable ratio (VR) reward schedule with a 25% reward rate in which they did not know the outcome of their responses in advance, a fixed ratio (FR) 25% reward schedule in which outcomes were fully predictable, and a sensorimotor control (SC) condition involving similar sensory and motor demands but no rewards. Relative to the SC condition, the FR schedule produced only modest increases in dopamine transmission and no decreases relative to the SC condition. In contrast, the VR schedule produced significant increases in dopamine transmission in the left medial caudate nucleus while simultaneously producing significant decreases in other areas of the caudate and putamen. These data indicate: (1) the feasibility of measuring alterations in dopamine transmission even after controlling for sensorimotor features and (2) the complex and regionally specific influence of VR schedules on dopamine transmission. The implications of these results are discussed in relation to conflicting models of dopaminergic functioning arising from studies using electrophysiological and microdialysis techniques in animals." @default.
- W2103073562 created "2016-06-24" @default.
- W2103073562 creator A5001045897 @default.
- W2103073562 creator A5017827035 @default.
- W2103073562 creator A5034724220 @default.
- W2103073562 creator A5039656333 @default.
- W2103073562 creator A5054295358 @default.
- W2103073562 creator A5063108898 @default.
- W2103073562 creator A5065874626 @default.
- W2103073562 date "2004-04-28" @default.
- W2103073562 modified "2023-10-18" @default.
- W2103073562 title "Dopamine Transmission in the Human Striatum during Monetary Reward Tasks" @default.
- W2103073562 cites W1488877099 @default.
- W2103073562 cites W1497648884 @default.
- W2103073562 cites W1642699591 @default.
- W2103073562 cites W1682243858 @default.
- W2103073562 cites W1771503649 @default.
- W2103073562 cites W1786747796 @default.
- W2103073562 cites W1797218635 @default.
- W2103073562 cites W1810663112 @default.
- W2103073562 cites W1898893772 @default.
- W2103073562 cites W1952680005 @default.
- W2103073562 cites W1963623154 @default.
- W2103073562 cites W1968490092 @default.
- W2103073562 cites W1971331723 @default.
- W2103073562 cites W1977582341 @default.
- W2103073562 cites W1979457008 @default.
- W2103073562 cites W1985184047 @default.
- W2103073562 cites W1987599891 @default.
- W2103073562 cites W1993146392 @default.
- W2103073562 cites W2004137994 @default.
- W2103073562 cites W2025782867 @default.
- W2103073562 cites W2028839831 @default.
- W2103073562 cites W2038018468 @default.
- W2103073562 cites W2038359785 @default.
- W2103073562 cites W2042331277 @default.
- W2103073562 cites W2051809205 @default.
- W2103073562 cites W2054230322 @default.
- W2103073562 cites W2059329147 @default.
- W2103073562 cites W2060180098 @default.
- W2103073562 cites W2060967710 @default.
- W2103073562 cites W2062446797 @default.
- W2103073562 cites W2064166397 @default.
- W2103073562 cites W2064745647 @default.
- W2103073562 cites W2071825212 @default.
- W2103073562 cites W2076506821 @default.
- W2103073562 cites W2083270036 @default.
- W2103073562 cites W2083755503 @default.
- W2103073562 cites W2085285717 @default.
- W2103073562 cites W2087276569 @default.
- W2103073562 cites W2088798421 @default.
- W2103073562 cites W2095927624 @default.
- W2103073562 cites W2099678317 @default.
- W2103073562 cites W2102590502 @default.
- W2103073562 cites W2105389170 @default.
- W2103073562 cites W2106261260 @default.
- W2103073562 cites W2109059823 @default.
- W2103073562 cites W2110771878 @default.
- W2103073562 cites W2114581688 @default.
- W2103073562 cites W2117649346 @default.
- W2103073562 cites W2117671988 @default.
- W2103073562 cites W2118266586 @default.
- W2103073562 cites W2119128116 @default.
- W2103073562 cites W2122694895 @default.
- W2103073562 cites W2123371569 @default.
- W2103073562 cites W2127384831 @default.
- W2103073562 cites W2128577709 @default.
- W2103073562 cites W2131045394 @default.
- W2103073562 cites W2136148445 @default.
- W2103073562 cites W2138718114 @default.
- W2103073562 cites W2148905283 @default.
- W2103073562 cites W2150760506 @default.
- W2103073562 cites W2150857753 @default.
- W2103073562 cites W2157385519 @default.
- W2103073562 cites W2162651400 @default.
- W2103073562 cites W2163854332 @default.
- W2103073562 cites W2167264579 @default.
- W2103073562 cites W2402721223 @default.
- W2103073562 cites W2765179018 @default.
- W2103073562 cites W4292994367 @default.
- W2103073562 doi "https://doi.org/10.1523/jneurosci.4643-03.2004" @default.
- W2103073562 hasPubMedCentralId "https://www.ncbi.nlm.nih.gov/pmc/articles/6729274" @default.
- W2103073562 hasPubMedId "https://pubmed.ncbi.nlm.nih.gov/15115805" @default.
- W2103073562 hasPublicationYear "2004" @default.
- W2103073562 type Work @default.
- W2103073562 sameAs 2103073562 @default.
- W2103073562 citedByCount "223" @default.
- W2103073562 countsByYear W21030735622012 @default.
- W2103073562 countsByYear W21030735622013 @default.
- W2103073562 countsByYear W21030735622014 @default.
- W2103073562 countsByYear W21030735622015 @default.
- W2103073562 countsByYear W21030735622016 @default.
- W2103073562 countsByYear W21030735622017 @default.
- W2103073562 countsByYear W21030735622018 @default.
- W2103073562 countsByYear W21030735622019 @default.
- W2103073562 countsByYear W21030735622020 @default.
- W2103073562 countsByYear W21030735622021 @default.
- W2103073562 countsByYear W21030735622022 @default.