Within-Person Variability Contributes to More Durable Learning of Faces

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dc.contributor.authorCorpuz, Rebekah L.
dc.contributor.authorOriet, Chris
dc.date.accessioned2023-06-28T20:32:11Z
dc.date.available2023-06-28T20:32:11Z
dc.date.issued2022-05-19
dc.description© Copyright 2022 Canadian Psychological Association. https://doi.org/10.1037/cep0000282. This article may not exactly replicate the final version published in the CPA journal. It is not the copy of record.en_US
dc.description.abstractExposure to the natural, unsystematic within-person variability present across different encounters with a face (e.g., differences in emotion, make-up, and hairstyle) increases the likelihood the face will be recognized despite changes in appearance. In most studies, participants’ memories are tested with a matching task administered shortly after exposure to a set of training images. In the real world, however, the time between when a face is first encountered and when it needs to be identified can be much longer. We hypothesized that in addition to facilitating acquisition of a representation of a face, unsystematic variability might also lead to better retention. To test this, in two experiments participants were randomly assigned to one of three training conditions: a) no variability (still image), b) systematic variability (changes in camera angle and pose in an otherwise constant setting), and c) unsystematic variability (changes in hairstyle, makeup, clothing, and setting). Participants completed a sorting task 15 minutes and 5 days after viewing the target identity. Unsystematic variability led to better recognition than systematic variability, and this benefit was not reduced after a 5 day delay. Although participants expected their memory to be worse with a 5 day delay than with a 15 minute delay, both overall accuracy and the advantage for training with unsystematic variability were virtually unaffected. The results suggest that exposure to unsystematic variability influences not only the initial acquisition of faces, but also contributes to establishing a durable, flexible representation of faces in memory.en_US
dc.description.authorstatusFacultyen_US
dc.description.peerreviewyesen_US
dc.description.sponsorshipThis research was supported by an NSERC Discovery Grant RGPIN-2017-06005 to C.O.en_US
dc.identifier.citationCorpuz, R. L., & Oriet, C. (2022). Within-person variability contributes to more durable learning of faces.Canadian Journal of Experimental Psychology / Revue canadienne de psychologie expérimentale, 76(4), 270–282. https://doi.org/10.1037/cep0000282en_US
dc.identifier.doihttps://doi.org/10.1037/cep0000282
dc.identifier.urihttps://hdl.handle.net/10294/15976
dc.language.isoenen_US
dc.publisherCanadian Psychological Associationen_US
dc.subjectface recognitionen_US
dc.subjectface familiarizationen_US
dc.subjectwithin-person variabilityen_US
dc.titleWithin-Person Variability Contributes to More Durable Learning of Facesen_US
dc.typeArticleen_US
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