WFRF:(Nyberg Lars)
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- Jonasson, Lars S.Umeå universitet,Umeå centrum för funktionell hjärnavbildning (UFBI),Institutionen för strålningsvetenskaper,Centrum för befolkningsstudier (CBS) (author)
Dopamine release in nucleus accumbens during rewarded task switching measured by [C-11]raclopride
- Article/chapterEnglish2014
Publisher, publication year, extent ...
- Elsevier BV,2014
- printrdacarrier
Numbers
- LIBRIS-ID:oai:DiVA.org:su-107093
- https://urn.kb.se/resolve?urn=urn:nbn:se:su:diva-107093URI
- https://doi.org/10.1016/j.neuroimage.2014.05.047DOI
- https://urn.kb.se/resolve?urn=urn:nbn:se:umu:diva-89529URI
- http://kipublications.ki.se/Default.aspx?queryparsed=id:129509282URI
Supplementary language notes
- Language:English
- Summary in:English
Part of subdatabase
- SwePubSwePub
Classification
Notes
- AuthorCount:7;
- Reward and motivation have positive influences on cognitive-control processes in numerous settings. Models of reward implicate corticostriatal loops and the dopamine (DA) system, with special emphasis on D-2 receptors in nucleus accumbens (NAcc). In this study, 11 right-handed males (35-40 years) were scanned with positron emission tomography (PET) in a single [C-11]raclopride dynamic scan during rewarded and non-rewarded task switching. Rewarded task switching (relative to baseline task switching) decreased [11C]raclopride binding in NAcc. Decreasing NAcc [C-11]raclopride binding was strongly associated with task reaction time measures that reflect individual differences in effort and control strategies. Voxelwise analyses additionally revealed reward-related DA release in anterodorsal caudate, a region previously associated with task-switching. These PET findings provide evidence for striatal DA release during motivated cognitive control, and further suggest that NAcc DA release predicts the task reaction time benefits of reward incentives.
Subject headings and genre
- MEDICIN OCH HÄLSOVETENSKAP Medicinska och farmaceutiska grundvetenskaper hsv//swe
- MEDICAL AND HEALTH SCIENCES Basic Medicine hsv//eng
- MEDICIN OCH HÄLSOVETENSKAP Medicinska och farmaceutiska grundvetenskaper Neurovetenskaper hsv//swe
- MEDICAL AND HEALTH SCIENCES Basic Medicine Neurosciences hsv//eng
- Reward
- Dopamine
- PET
- Nucleus accumbens
- Working memory
- Motivation
Added entries (persons, corporate bodies, meetings, titles ...)
- Axelsson, JanUmeå universitet,Institutionen för strålningsvetenskaper,Umeå centrum för funktionell hjärnavbildning (UFBI)(Swepub:umu)jaax0004 (author)
- Riklund, KatrineUmeå universitet,Institutionen för strålningsvetenskaper(Swepub:umu)kaah0001 (author)
- Braver, Todd S.Department of Psychology,Washington University, St Louis, MO 63130, USA (author)
- Ögren, MattiasUmeå universitet,Institutionen för strålningsvetenskaper(Swepub:umu)maog0003 (author)
- Bäckman, LarsKarolinska Institutet,Stockholms universitet,Centrum för forskning om äldre och åldrande (ARC), (tills m KI),Aging Research Center, Karolinska Institute, SE-113 30 Stockholm, Sweden (author)
- Nyberg, LarsUmeå universitet,Institutionen för strålningsvetenskaper,Umeå centrum för funktionell hjärnavbildning (UFBI),Fysiologi(Swepub:umu)lany0001 (author)
- Umeå universitetUmeå centrum för funktionell hjärnavbildning (UFBI) (creator_code:org_t)
Related titles
- In:NeuroImage: Elsevier BV99, s. 357-3641053-81191095-9572
Internet link
- https://doi.org/10.1016/j.neuroimage.2014.05.047Fulltext
- https://doi.org/10.1016/j.neuroimage.2014.05.047
- https://umu.diva-portal.org/smash/get/diva2:721348/FULLTEXT01.pdffulltext:print
- https://urn.kb.se/resolve?urn=urn:nbn:se:su:diva-107093
- https://doi.org/10.1016/j.neuroimage.2014.05.047
- https://urn.kb.se/resolve?urn=urn:nbn:se:umu:diva-89529
- http://kipublications.ki.se/Default.aspx?queryparsed=id:129509282
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