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FaceRS1 - neural expressions of outgroup homogeneity
- Niv Reggev
- Jason Mitchell
- Mina Cikara
- Kirstan Brodie
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Description: People often fail to individuate members of social outgroups, a phenomenon known as the outgroup homogeneity effect. Here we used fMRI repetition suppression to demonstrate that perceivers’ neural activity distinguishes different faces only when targets belong to the perceivers’ racial ingroup. In contrast, face-selective cortex did not discriminate between other-race individuals. These results suggest that the outgroup homogeneity effect arises from an erroneous overlap of representations in early-to-mid-level visual processing.
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Components
fMRI pre-registration
Pre-registration of data collection and analysis plans
Behavioral data
Behavioral and demographic data logs for Experiments 1 (lab) and 2 (fMRI)
Neural results data
Results from the group-constrained-subject-specific ROI procedure (all analyses)
Analyses scripts
Analyses scripts (R) for behavioral and neural data. To reproduce, simply save the scripts in the same folder with the data files.
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