Impact of Facial Regions on Perceived Age: A 3D Modeling Study

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ID: 318059
2026
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Abstract
Abstract Background Perception studies in aesthetic plastic surgery help define ideals of attractiveness and youth that guide treatment planning. While comprehensive facial rejuvenation yields superior and longer-lasting results, real-world constraints often require prioritizing interventions. The relative contribution of different facial regions to perceived age remains unclear. Objectives This study aimed to determine the relative contributions of the perioral, periocular, midface-lower face, and neck-jawline regions to perceived youth. Methods An aged female 3D head-and-neck model was digitally sculpted to create one baseline young model and four variants, each featuring isolated rejuvenation of a single region: eyes, lips, midface-lower face, or neck-jawline. Region-specific changes simulated outcomes of common aesthetic surgical procedures while preserving overall identity. Each variant was rendered as a standardized animated sequence. Participants viewed all animations and ranked them from youngest to oldest. Associations between regions and perceived age were statistically analyzed. Results A total of 101 participants completed the survey. The neck-jawline was most frequently ranked as youngest (n = 54), while the perioral was most often ranked as oldest (n = 71). Mean ranks differed significantly among regions (neck-jawline 1.8, midface-lower face 2.2, periocular 2.6, perioral 3.6; P < .001). Pairwise comparisons were significant, except between periocular and midface-lower face (P = 0.4). Conclusions The neck-jawline exerted the greatest influence on perceived youth, followed by midface-lower face, periocular regions, and perioral region. These findings suggest that structural cues defining facial contour play a dominant role in age perception and may help guide prioritization of facial rejuvenation strategies.
Reference Key
openalex_W7165467736 Use this key to autocite in the manuscript while using SciMatic Manuscript Manager or Thesis Manager
Authors Francisco G. Bravo, Sydney Ch’ng
Journal Aesthetic surgery journal
Year 2026
DOI
10.1093/asj/sjag119
URL
https://doi.org/10.1093/asj/sjag119
Keywords Keywords not found

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