Exploring the relationship between anthropomorphism and theory-of-mind in brain and behaviour

Ruud Hortensius*, Michaela Kent*, Kohinoor Darda, Laura Jastrzab, Kami Koldewyn, Richard Ramsey, Emily S. Cross*

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

Abstract


The process of understanding the minds of other people, such as their emotions and intentions, is mimicked when individuals try to understand an artificial mind. The assumption is that anthropomorphism, attributing human-like characteristics to non-human agents and objects, is an analogue to theory-of-mind, the ability to infer mental states of other people. Here, we test to what extent these two constructs formally overlap. Specifically, using a multi-method approach, we test if and how anthropomorphism is related to theory-of-mind using brain (Experiment 1) and behavioural (Experiment 2) measures. In a first exploratory experiment, we examine the relationship between dispositional anthropomorphism and activity within the theory-of-mind brain network (n = 108). Results from a Bayesian regression analysis showed no consistent relationship between dispositional anthropomorphism and activity in regions of the theory-of-mind network. In a follow-up, pre-registered experiment, we explored the relationship between theory-of-mind and situational and dispositional anthropomorphism in more depth. Participants (n = 311) watched a short movie while simultaneously completing situational anthropomorphism and theory-of-mind ratings, as well as measures of dispositional anthropomorphism and general theory-of-mind. Only situational anthropomorphism predicted the ability to understand and predict the behaviour of the film's characters. No relationship between situational or dispositional anthropomorphism and general theory-of-mind was observed. Together, these results suggest that while the constructs of anthropomorphism and theory-of-mind might overlap in certain situations, they remain separate and possibly unrelated at the personality level. These findings point to a possible dissociation between brain and behavioural measures when considering the relationship between theory-of-mind and anthropomorphism.
Original languageEnglish
Pages (from-to)1-18
Number of pages18
JournalHuman Brain Mapping
DOIs
Publication statusE-pub ahead of print - 1 Jul 2021

Keywords

  • anthropomorphism
  • mind perception
  • social cognition
  • theory-of-mind

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