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@ARTICLE{Markman:1027026,
      author       = {Markman, M. and Saruco, E. and Al-Bas, S. and Wang, B. A.
                      and Rose, J. and Ohla, K. and Xue Li Lim, S. and Schicker,
                      D. and Freiherr, J. and Weygandt, M. and Rramani, Q. and
                      Weber, B. and Schultz, J. and Pleger, Burkhard},
      title        = {{D}ifferences in {D}iscounting {B}ehavior and {B}rain
                      {R}esponses for {F}ood and {M}oney {R}eward},
      journal      = {eNeuro},
      volume       = {11},
      number       = {4},
      issn         = {2373-2822},
      address      = {Washington, DC},
      publisher    = {Soc.},
      reportid     = {FZJ-2024-03592},
      pages        = {ENEURO.0153-23.2024 -},
      year         = {2024},
      abstract     = {Most neuroeconomic research seeks to understand how value
                      influences decision-making. The influence of reward type is
                      less well understood. We used functional magnetic resonance
                      imaging (fMRI) to investigate delay discounting of primary
                      (i.e., food) and secondary rewards (i.e., money) in 28
                      healthy, normal-weighted participants (mean age = 26.77; 18
                      females). To decipher differences in discounting behavior
                      between reward types, we compared how well-different
                      option-based statistical models (exponential, hyperbolic
                      discounting) and attribute-wise heuristic choice models
                      (intertemporal choice heuristic, dual reasoning and implicit
                      framework theory, trade-off model) captured the
                      reward-specific discounting behavior. Contrary to our
                      hypothesis of different strategies for different rewards, we
                      observed comparable discounting behavior for money and food
                      (i.e., exponential discounting). Higher k values for food
                      discounting suggest that individuals decide more impulsive
                      if confronted with food. The fMRI revealed that money
                      discounting was associated with enhanced activity in the
                      right dorsolateral prefrontal cortex, involved in executive
                      control; the right dorsal striatum, associated with reward
                      processing; and the left hippocampus, involved in memory
                      encoding/retrieval. Food discounting, instead, was
                      associated with higher activity in the left temporoparietal
                      junction suggesting social reinforcement of food decisions.
                      Although our findings do not confirm our hypothesis of
                      different discounting strategies for different reward types,
                      they are in line with the notion that reward types have a
                      significant influence on impulsivity with primary rewards
                      leading to more impulsive choices.},
      cin          = {INM-3},
      ddc          = {610},
      cid          = {I:(DE-Juel1)INM-3-20090406},
      pnm          = {5251 - Multilevel Brain Organization and Variability
                      (POF4-525) / DFG project 122679504 - SFB 874: Integration
                      und Repräsentation sensorischer Prozesse (122679504)},
      pid          = {G:(DE-HGF)POF4-5251 / G:(GEPRIS)122679504},
      typ          = {PUB:(DE-HGF)16},
      pubmed       = {38569920},
      UT           = {WOS:001198230500001},
      doi          = {10.1523/ENEURO.0153-23.2024},
      url          = {https://juser.fz-juelich.de/record/1027026},
}