ArticleScientific reports2023
A neural marker of the human face identity familiarity effect.
Article in Scientific reports, 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 6 papers.
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Who cites it
6 citing papers in PubMed.
- Objective Neural Markers of Identity Familiarization via Passive Exposure and Fast Periodic Visual Stimulation EEG.eNeuro · 2026Article
- Using Instagram for public education in trauma prevention: experience of an academic Trauma League.Trauma surgery & acute care open · 2026Article
- A simple behavioral evaluation test of human face identity recognition with natural images validated with the case of prosopagnosia PS.Scientific reports · 2025Article
- Face perception: a window into the social mind.Scientific reports · 2025Article
- Representations of personally familiar voices are better resolved in the brain.Current biology : CB · 2025Article
- Increased sensitivity to social hierarchy during social competition versus cooperation.Social cognitive and affective neuroscience · 2024Article
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Authors and funding
3 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Human adults associate different views of an identity much better for familiar than for unfamiliar faces. However, a robust and consistent neural index of this behavioral face identity familiarity effect (FIFE)-not found in non-human primate species-is lacking. Here we provide such a neural FIFE index, measured implicitly and with one fixation per face. Fourteen participants viewed 70 s stimulation sequences of a large set (n = 40) of widely variable natural images of a face identity at a rate of 6 images/second (6 Hz). Different face identities appeared every 5th image (1.2 Hz). In a sequence, face images were either familiar (i.e., famous) or unfamiliar, participants performing a non-periodic task unrelated to face recognition. The face identity recognition response identified at 1.2 Hz over occipital-temporal regions in the frequency-domain electroencephalogram was 3.4 times larger for familiar than unfamiliar faces. The neural response to familiar faces-which emerged at about 180 ms following face onset-was significant in each individual but a case of prosopdysgnosia. Besides potential clinical and forensic applications to implicitly measure one's knowledge of a face identity, these findings open new perspectives to clarify the neurofunctional source of the FIFE and understand the nature of human face identity recognition.
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