Brain imaging evidence for why we are numbed by numbers

Zheng Ye*, Marcus Heldmann, Paul Slovic, Thomas F. Münte

*Corresponding author for this work

Abstract

We as humans do not value lives consistently. While we are willing to act for one victim, we often become numb as the number of victims increases. The empathic ability to adopt others’ perspectives is essential for motivating help. However, the perspective-taking ability in our brains seems limited. Using functional MRI, we demonstrated that the core empathy network including the medial prefrontal cortex (mPFC) was more engaged for events happening to a single person than those happening to many people, no matter whether the events were emotionally neutral or negative. In particular, the perspective-taking-related mPFC showed greater and more extended activations for events about one person than those about many people. The mPFC may be the neural marker of why we feel indifferent to the suffering of large numbers of people in humanitarian disasters.

Original languageEnglish
Article number9270
JournalScientific Reports
Volume10
Issue number1
Pages (from-to)9270
ISSN2045-2322
DOIs
Publication statusPublished - 01.12.2020

Funding

We thank Prof. Simon B. Eickhoff for his help in preparing images from meta-analyses. This work was primarily funded by the German Research Foundation (SFB TR134 C1) and the Alexander von Humboldt Foundation, with additional support from the National Natural Science Foundation of China (31771216). Paul Slovic's participation was supported by the Alfred P. Sloan Foundation (G-2018-11100).

UN SDGs

This output contributes to the following UN Sustainable Development Goals (SDGs)

  1. SDG 3 - Good Health and Well-being
    SDG 3 Good Health and Well-being
  2. SDG 10 - Reduced Inequalities
    SDG 10 Reduced Inequalities

Research Areas and Centers

  • Academic Focus: Center for Brain, Behavior and Metabolism (CBBM)

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