. 2015 Apr;10(4):569-76.

doi: 10.1093/scan/nsu087. Epub 2014 Jun 18.

Neural patterns underlying social comparisons of personal performance

Michael Lindner¹, Sarah Rudorf², Robert Birg³, Armin Falk³, Bernd Weber⁴, Klaus Fliessbach⁵

Affiliations

¹ Center for Economics and Neuroscience, University of Bonn, Nachtigallenweg 86, 53127 Bonn, Germany, School of Psychology and Clinical Language Sciences, University of Reading, Reading RG6 7BE, United Kingdom, Department of Epileptology, University Hospital Bonn, Sigmund-Freud-Str. 25, 53105 Bonn, Germany, Life&Brain Center, Department of NeuroCognition, University of Bonn, Sigmund-Freud-Str. 25, 53105 Bonn, Germany, Department of Psychiatry, University Hospital Bonn, Sigmund-Freud-Str. 25, 53105 Bonn, Germany and German Center for Neurodegenerative Diseases (DZNE), Sigmund-Freud-Str. 25, 53105 Bonn, Germany Center for Economics and Neuroscience, University of Bonn, Nachtigallenweg 86, 53127 Bonn, Germany, School of Psychology and Clinical Language Sciences, University of Reading, Reading RG6 7BE, United Kingdom, Department of Epileptology, University Hospital Bonn, Sigmund-Freud-Str. 25, 53105 Bonn, Germany, Life&Brain Center, Department of NeuroCognition, University of Bonn, Sigmund-Freud-Str. 25, 53105 Bonn, Germany, Department of Psychiatry, University Hospital Bonn, Sigmund-Freud-Str. 25, 53105 Bonn, Germany and German Center for Neurodegenerative Diseases (DZNE), Sigmund-Freud-Str. 25, 53105 Bonn, Germany klaus.fliessbach@ukb.uni-bonn.de.
² Center for Economics and Neuroscience, University of Bonn, Nachtigallenweg 86, 53127 Bonn, Germany, School of Psychology and Clinical Language Sciences, University of Reading, Reading RG6 7BE, United Kingdom, Department of Epileptology, University Hospital Bonn, Sigmund-Freud-Str. 25, 53105 Bonn, Germany, Life&Brain Center, Department of NeuroCognition, University of Bonn, Sigmund-Freud-Str. 25, 53105 Bonn, Germany, Department of Psychiatry, University Hospital Bonn, Sigmund-Freud-Str. 25, 53105 Bonn, Germany and German Center for Neurodegenerative Diseases (DZNE), Sigmund-Freud-Str. 25, 53105 Bonn, Germany klaus.fliessbach@ukb.uni-bonn.de.
³ Center for Economics and Neuroscience, University of Bonn, Nachtigallenweg 86, 53127 Bonn, Germany, School of Psychology and Clinical Language Sciences, University of Reading, Reading RG6 7BE, United Kingdom, Department of Epileptology, University Hospital Bonn, Sigmund-Freud-Str. 25, 53105 Bonn, Germany, Life&Brain Center, Department of NeuroCognition, University of Bonn, Sigmund-Freud-Str. 25, 53105 Bonn, Germany, Department of Psychiatry, University Hospital Bonn, Sigmund-Freud-Str. 25, 53105 Bonn, Germany and German Center for Neurodegenerative Diseases (DZNE), Sigmund-Freud-Str. 25, 53105 Bonn, Germany.
⁴ Center for Economics and Neuroscience, University of Bonn, Nachtigallenweg 86, 53127 Bonn, Germany, School of Psychology and Clinical Language Sciences, University of Reading, Reading RG6 7BE, United Kingdom, Department of Epileptology, University Hospital Bonn, Sigmund-Freud-Str. 25, 53105 Bonn, Germany, Life&Brain Center, Department of NeuroCognition, University of Bonn, Sigmund-Freud-Str. 25, 53105 Bonn, Germany, Department of Psychiatry, University Hospital Bonn, Sigmund-Freud-Str. 25, 53105 Bonn, Germany and German Center for Neurodegenerative Diseases (DZNE), Sigmund-Freud-Str. 25, 53105 Bonn, Germany Center for Economics and Neuroscience, University of Bonn, Nachtigallenweg 86, 53127 Bonn, Germany, School of Psychology and Clinical Language Sciences, University of Reading, Reading RG6 7BE, United Kingdom, Department of Epileptology, University Hospital Bonn, Sigmund-Freud-Str. 25, 53105 Bonn, Germany, Life&Brain Center, Department of NeuroCognition, University of Bonn, Sigmund-Freud-Str. 25, 53105 Bonn, Germany, Department of Psychiatry, University Hospital Bonn, Sigmund-Freud-Str. 25, 53105 Bonn, Germany and German Center for Neurodegenerative Diseases (DZNE), Sigmund-Freud-Str. 25, 53105 Bonn, Germany Center for Economics and Neuroscience, University of Bonn, Nachtigallenweg 86, 53127 Bonn, Germany, School of Psychology and Clinical Language Sciences, University of Reading, Reading RG6 7BE, United Kingdom, Department of Epileptology, University Hospital Bonn, Sigmund-Freud-Str. 25, 53105 Bonn, Germany, Life&Brain Center, Department of NeuroCognition, University of Bonn, Sigmund-Freud-Str. 25, 53105 Bonn, Germany, Department of Psychiatry, University Hospital Bonn, Sigmund-Freud-Str. 25, 53105 Bonn, Germany and German Center for Neurodegenerative Diseases (DZNE), Sigmund-Freud-Str. 25, 53105 Bonn, Germany.
⁵ Center for Economics and Neuroscience, University of Bonn, Nachtigallenweg 86, 53127 Bonn, Germany, School of Psychology and Clinical Language Sciences, University of Reading, Reading RG6 7BE, United Kingdom, Department of Epileptology, University Hospital Bonn, Sigmund-Freud-Str. 25, 53105 Bonn, Germany, Life&Brain Center, Department of NeuroCognition, University of Bonn, Sigmund-Freud-Str. 25, 53105 Bonn, Germany, Department of Psychiatry, University Hospital Bonn, Sigmund-Freud-Str. 25, 53105 Bonn, Germany and German Center for Neurodegenerative Diseases (DZNE), Sigmund-Freud-Str. 25, 53105 Bonn, Germany Center for Economics and Neuroscience, University of Bonn, Nachtigallenweg 86, 53127 Bonn, Germany, School of Psychology and Clinical Language Sciences, University of Reading, Reading RG6 7BE, United Kingdom, Department of Epileptology, University Hospital Bonn, Sigmund-Freud-Str. 25, 53105 Bonn, Germany, Life&Brain Center, Department of NeuroCognition, University of Bonn, Sigmund-Freud-Str. 25, 53105 Bonn, Germany, Department of Psychiatry, University Hospital Bonn, Sigmund-Freud-Str. 25, 53105 Bonn, Germany and German Center for Neurodegenerative Diseases (DZNE), Sigmund-Freud-Str. 25, 53105 Bonn, Germany Center for Economics and Neuroscience, University of Bonn, Nachtigallenweg 86, 53127 Bonn, Germany, School of Psychology and Clinical Language Sciences, University of Reading, Reading RG6 7BE, United Kingdom, Department of Epileptology, University Hospital Bonn, Sigmund-Freud-Str. 25, 53105 Bonn, Germany, Life&Brain Center, Department of NeuroCognition, University of Bonn, Sigmund-Freud-Str. 25, 53105 Bonn, Germany, Department of Psychiatry, University Hospital Bonn, Sigmund-Freud-Str. 25, 53105 Bonn, Germany and German Center for Neurodegenerative Diseases (DZNE), Sigmund-Freud-Str. 25, 53105 Bonn, Germany klaus.fliessbach@ukb.uni-bonn.de.

PMID: 24948156
PMCID: PMC4381240
DOI: 10.1093/scan/nsu087

Neural patterns underlying social comparisons of personal performance

Michael Lindner et al. Soc Cogn Affect Neurosci. 2015 Apr.

. 2015 Apr;10(4):569-76.

doi: 10.1093/scan/nsu087. Epub 2014 Jun 18.

Authors

Michael Lindner¹, Sarah Rudorf², Robert Birg³, Armin Falk³, Bernd Weber⁴, Klaus Fliessbach⁵

Affiliations

¹ Center for Economics and Neuroscience, University of Bonn, Nachtigallenweg 86, 53127 Bonn, Germany, School of Psychology and Clinical Language Sciences, University of Reading, Reading RG6 7BE, United Kingdom, Department of Epileptology, University Hospital Bonn, Sigmund-Freud-Str. 25, 53105 Bonn, Germany, Life&Brain Center, Department of NeuroCognition, University of Bonn, Sigmund-Freud-Str. 25, 53105 Bonn, Germany, Department of Psychiatry, University Hospital Bonn, Sigmund-Freud-Str. 25, 53105 Bonn, Germany and German Center for Neurodegenerative Diseases (DZNE), Sigmund-Freud-Str. 25, 53105 Bonn, Germany Center for Economics and Neuroscience, University of Bonn, Nachtigallenweg 86, 53127 Bonn, Germany, School of Psychology and Clinical Language Sciences, University of Reading, Reading RG6 7BE, United Kingdom, Department of Epileptology, University Hospital Bonn, Sigmund-Freud-Str. 25, 53105 Bonn, Germany, Life&Brain Center, Department of NeuroCognition, University of Bonn, Sigmund-Freud-Str. 25, 53105 Bonn, Germany, Department of Psychiatry, University Hospital Bonn, Sigmund-Freud-Str. 25, 53105 Bonn, Germany and German Center for Neurodegenerative Diseases (DZNE), Sigmund-Freud-Str. 25, 53105 Bonn, Germany klaus.fliessbach@ukb.uni-bonn.de.
² Center for Economics and Neuroscience, University of Bonn, Nachtigallenweg 86, 53127 Bonn, Germany, School of Psychology and Clinical Language Sciences, University of Reading, Reading RG6 7BE, United Kingdom, Department of Epileptology, University Hospital Bonn, Sigmund-Freud-Str. 25, 53105 Bonn, Germany, Life&Brain Center, Department of NeuroCognition, University of Bonn, Sigmund-Freud-Str. 25, 53105 Bonn, Germany, Department of Psychiatry, University Hospital Bonn, Sigmund-Freud-Str. 25, 53105 Bonn, Germany and German Center for Neurodegenerative Diseases (DZNE), Sigmund-Freud-Str. 25, 53105 Bonn, Germany klaus.fliessbach@ukb.uni-bonn.de.
³ Center for Economics and Neuroscience, University of Bonn, Nachtigallenweg 86, 53127 Bonn, Germany, School of Psychology and Clinical Language Sciences, University of Reading, Reading RG6 7BE, United Kingdom, Department of Epileptology, University Hospital Bonn, Sigmund-Freud-Str. 25, 53105 Bonn, Germany, Life&Brain Center, Department of NeuroCognition, University of Bonn, Sigmund-Freud-Str. 25, 53105 Bonn, Germany, Department of Psychiatry, University Hospital Bonn, Sigmund-Freud-Str. 25, 53105 Bonn, Germany and German Center for Neurodegenerative Diseases (DZNE), Sigmund-Freud-Str. 25, 53105 Bonn, Germany.
⁴ Center for Economics and Neuroscience, University of Bonn, Nachtigallenweg 86, 53127 Bonn, Germany, School of Psychology and Clinical Language Sciences, University of Reading, Reading RG6 7BE, United Kingdom, Department of Epileptology, University Hospital Bonn, Sigmund-Freud-Str. 25, 53105 Bonn, Germany, Life&Brain Center, Department of NeuroCognition, University of Bonn, Sigmund-Freud-Str. 25, 53105 Bonn, Germany, Department of Psychiatry, University Hospital Bonn, Sigmund-Freud-Str. 25, 53105 Bonn, Germany and German Center for Neurodegenerative Diseases (DZNE), Sigmund-Freud-Str. 25, 53105 Bonn, Germany Center for Economics and Neuroscience, University of Bonn, Nachtigallenweg 86, 53127 Bonn, Germany, School of Psychology and Clinical Language Sciences, University of Reading, Reading RG6 7BE, United Kingdom, Department of Epileptology, University Hospital Bonn, Sigmund-Freud-Str. 25, 53105 Bonn, Germany, Life&Brain Center, Department of NeuroCognition, University of Bonn, Sigmund-Freud-Str. 25, 53105 Bonn, Germany, Department of Psychiatry, University Hospital Bonn, Sigmund-Freud-Str. 25, 53105 Bonn, Germany and German Center for Neurodegenerative Diseases (DZNE), Sigmund-Freud-Str. 25, 53105 Bonn, Germany Center for Economics and Neuroscience, University of Bonn, Nachtigallenweg 86, 53127 Bonn, Germany, School of Psychology and Clinical Language Sciences, University of Reading, Reading RG6 7BE, United Kingdom, Department of Epileptology, University Hospital Bonn, Sigmund-Freud-Str. 25, 53105 Bonn, Germany, Life&Brain Center, Department of NeuroCognition, University of Bonn, Sigmund-Freud-Str. 25, 53105 Bonn, Germany, Department of Psychiatry, University Hospital Bonn, Sigmund-Freud-Str. 25, 53105 Bonn, Germany and German Center for Neurodegenerative Diseases (DZNE), Sigmund-Freud-Str. 25, 53105 Bonn, Germany.
⁵ Center for Economics and Neuroscience, University of Bonn, Nachtigallenweg 86, 53127 Bonn, Germany, School of Psychology and Clinical Language Sciences, University of Reading, Reading RG6 7BE, United Kingdom, Department of Epileptology, University Hospital Bonn, Sigmund-Freud-Str. 25, 53105 Bonn, Germany, Life&Brain Center, Department of NeuroCognition, University of Bonn, Sigmund-Freud-Str. 25, 53105 Bonn, Germany, Department of Psychiatry, University Hospital Bonn, Sigmund-Freud-Str. 25, 53105 Bonn, Germany and German Center for Neurodegenerative Diseases (DZNE), Sigmund-Freud-Str. 25, 53105 Bonn, Germany Center for Economics and Neuroscience, University of Bonn, Nachtigallenweg 86, 53127 Bonn, Germany, School of Psychology and Clinical Language Sciences, University of Reading, Reading RG6 7BE, United Kingdom, Department of Epileptology, University Hospital Bonn, Sigmund-Freud-Str. 25, 53105 Bonn, Germany, Life&Brain Center, Department of NeuroCognition, University of Bonn, Sigmund-Freud-Str. 25, 53105 Bonn, Germany, Department of Psychiatry, University Hospital Bonn, Sigmund-Freud-Str. 25, 53105 Bonn, Germany and German Center for Neurodegenerative Diseases (DZNE), Sigmund-Freud-Str. 25, 53105 Bonn, Germany Center for Economics and Neuroscience, University of Bonn, Nachtigallenweg 86, 53127 Bonn, Germany, School of Psychology and Clinical Language Sciences, University of Reading, Reading RG6 7BE, United Kingdom, Department of Epileptology, University Hospital Bonn, Sigmund-Freud-Str. 25, 53105 Bonn, Germany, Life&Brain Center, Department of NeuroCognition, University of Bonn, Sigmund-Freud-Str. 25, 53105 Bonn, Germany, Department of Psychiatry, University Hospital Bonn, Sigmund-Freud-Str. 25, 53105 Bonn, Germany and German Center for Neurodegenerative Diseases (DZNE), Sigmund-Freud-Str. 25, 53105 Bonn, Germany klaus.fliessbach@ukb.uni-bonn.de.

PMID: 24948156
PMCID: PMC4381240
DOI: 10.1093/scan/nsu087

Abstract

Humans often evaluate their abilities by comparing their personal performance with that of others. For this process, it is critical whether the comparison turns out in one's favor or against it. Here, we investigate how social comparisons of performance are encoded and integrated on the neural level. We collected functional magnetic resonance images while subjects answered questions in a knowledge quiz that was related to their profession. After each question, subjects received a feedback about their personal performance, followed by a feedback about the performance of a reference group who had been quizzed beforehand. Based on the subjects' personal performance, we divided trials in downward and upward comparisons. We found that upward comparisons correlated with activity in the dorsolateral prefrontal cortex and the anterior insula. Downward comparisons were associated with increased activation in the ventral striatum (VS), the medial orbitofrontal cortex and the ventral anterior cingulate cortex (ACC). The extent to which subjects outperformed the reference group modulated the activity in the VS and in the dorsal ACC. We suggest that the co-activation of the VS and the dorsal ACC contributes to the integration of downward comparisons into the evaluation of personal performance.

Keywords: downward comparison; fMRI; performance; self-evaluation; social comparison.

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Figures

**Fig. 1**
Task design of the knowledge quiz for the reference group and the fMRI experiment. Each trial begins with the presentation of the question (3 s), followed by the four-answer alternative (max 5 s, terminated by response). After the subject has made a choice, the chosen answer is displayed for 250 ms. After a jittered interstimulus interval (ISI), the subject sees an accuracy feedback about the personal performance (1.5 s), followed by another ISI. The task for the reference group ends here. In the fMRI experiment, the subject subsequently sees a feedback about the reference group performance (3 s), followed by another jittered ISI.

**Fig. 2**
Main effect of social comparison direction. Neural activations of the contrast of downward greater than upward comparisons are shown as T-maps (P < 0.001, uncorrected, k > 10, for demonstration purposes). The effect of ‘downward > upward’ is displayed as positive T-values (red); the opposite effect of ‘downward < upward’ is displayed as negative T-values (blue). T-values are color-coded as specified by the color bar.

**Fig. 3**
Deviation between personal and reference group performance in downward comparisons. Neural activations in the bilateral VS and the dACC increase with the positive deviation of the personal performance from the reference group performance during downward comparisons. Left, T-maps for downward comparisons modulated by the degree of deviation (P < 0.001, unc., k > 10, for demonstration purposes). T-values are color-coded as specified by the color bar. Right, peri-stimulus time histograms in the respective regions split into lower and upper percentiles of downward comparisons. Colored areas show standard errors of the mean. L, left; R, right; VS, ventral striatum; dACC, dorsal anterior cingulate cortex.

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Neural patterns underlying social comparisons of personal performance

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Neural patterns underlying social comparisons of personal performance

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