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Evidence for a General Neural Signature of Face Familiarity.

Dalski, A., Kovács, G. and Ambrus, G. G., 2022. Evidence for a General Neural Signature of Face Familiarity. Cerebral Cortex, 32 (12), 2590-2601.

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Dalski_Kovacs_Ambrus_CerCor2021_AuthorVersion.pdf - Accepted Version
Available under License Creative Commons Attribution Non-commercial.


DOI: 10.1093/CERCOR/BHAB366


We explored the neural signatures of face familiarity using cross-participant and cross-experiment decoding of event-related potentials, evoked by unknown and experimentally familiarized faces from a set of experiments with different participants, stimuli, and familiarization-types. Human participants of both sexes were either familiarized perceptually, via media exposure, or by personal interaction. We observed significant cross-experiment familiarity decoding involving all three experiments, predominantly over posterior and central regions of the right hemisphere in the 270–630 ms time window. This shared face familiarity effect was most prominent across the Media and the Personal, as well as between the Perceptual and Personal experiments. Cross-experiment decodability makes this signal a strong candidate for a general neural indicator of face familiarity, independent of familiarization methods, participants, and stimuli. Furthermore, the sustained pattern of temporal generalization suggests that it reflects a single automatic processing cascade that is maintained over time.

Item Type:Article
Uncontrolled Keywords:cross-experiment multivariate pattern analysis, EEG, face processing, familiarity, MVPA, person recognition
Group:Faculty of Science & Technology
ID Code:36372
Deposited By: Symplectic RT2
Deposited On:13 Dec 2021 09:18
Last Modified:09 Oct 2022 01:08


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