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Reward anticipation in the adolescent and aging brain

Overview of attention for article published in Human Brain Mapping, May 2014
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Title
Reward anticipation in the adolescent and aging brain
Published in
Human Brain Mapping, May 2014
DOI 10.1002/hbm.22540
Pubmed ID
Authors

Robert C. Lorenz, Tobias Gleich, Anne Beck, Lydia Pöhland, Diana Raufelder, Werner Sommer, Michael A. Rapp, Simone Kühn, Jürgen Gallinat

Abstract

Processing of reward is the basis of adaptive behavior of the human being. Neural correlates of reward processing seem to be influenced by developmental changes from adolescence to late adulthood. The aim of this study is to uncover these neural correlates during a slot machine gambling task across the lifespan. Therefore, we used functional magnetic resonance imaging to investigate 102 volunteers in three different age groups: 34 adolescents, 34 younger adults, and 34 older adults. We focused on the core reward areas ventral striatum (VS) and ventromedial prefrontal cortex (VMPFC), the valence processing associated areas, anterior cingulate cortex (ACC) and insula, as well as information integration associated areas, dorsolateral prefrontal cortex (DLPFC), and inferior parietal lobule (IPL). Results showed that VS and VMPFC were characterized by a hyperactivation in adolescents compared with younger adults. Furthermore, the ACC and insula were characterized by a U-shape pattern (hypoactivation in younger adults compared with adolescents and older adults), whereas the DLPFC and IPL were characterized by a J-shaped form (hyperactivation in older adults compared with younger groups). Furthermore, a functional connectivity analysis revealed an elevated negative functional coupling between the inhibition-related area rIFG and VS in younger adults compared with adolescents. Results indicate that lifespan-related changes during reward anticipation are characterized by different trajectories in different reward network modules and support the hypothesis of an imbalance in maturation of striatal and prefrontal cortex in adolescents. Furthermore, these results suggest compensatory age-specific effects in fronto-parietal regions.

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Mendeley readers

Mendeley readers

The data shown below were compiled from readership statistics for 122 Mendeley readers of this research output. Click here to see the associated Mendeley record.

Geographical breakdown

Country Count As %
United States 3 2%
Japan 1 <1%
United Kingdom 1 <1%
Germany 1 <1%
Unknown 116 95%

Demographic breakdown

Readers by professional status Count As %
Student > Ph. D. Student 28 23%
Researcher 18 15%
Student > Master 15 12%
Student > Bachelor 10 8%
Student > Postgraduate 6 5%
Other 16 13%
Unknown 29 24%
Readers by discipline Count As %
Psychology 47 39%
Neuroscience 14 11%
Medicine and Dentistry 9 7%
Agricultural and Biological Sciences 3 2%
Nursing and Health Professions 2 2%
Other 9 7%
Unknown 38 31%
Attention Score in Context

Attention Score in Context

This research output has an Altmetric Attention Score of 3. This is our high-level measure of the quality and quantity of online attention that it has received. This Attention Score, as well as the ranking and number of research outputs shown below, was calculated when the research output was last mentioned on 25 May 2015.
All research outputs
#13,333,922
of 22,755,127 outputs
Outputs from Human Brain Mapping
#2,434
of 4,104 outputs
Outputs of similar age
#111,112
of 227,501 outputs
Outputs of similar age from Human Brain Mapping
#32
of 59 outputs
Altmetric has tracked 22,755,127 research outputs across all sources so far. This one is in the 41st percentile – i.e., 41% of other outputs scored the same or lower than it.
So far Altmetric has tracked 4,104 research outputs from this source. They typically receive more attention than average, with a mean Attention Score of 9.7. This one is in the 40th percentile – i.e., 40% of its peers scored the same or lower than it.
Older research outputs will score higher simply because they've had more time to accumulate mentions. To account for age we can compare this Altmetric Attention Score to the 227,501 tracked outputs that were published within six weeks on either side of this one in any source. This one has gotten more attention than average, scoring higher than 50% of its contemporaries.
We're also able to compare this research output to 59 others from the same source and published within six weeks on either side of this one. This one is in the 44th percentile – i.e., 44% of its contemporaries scored the same or lower than it.