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Important Note: The abstracts presented here have not yet been updated with author corrections and publisher revisions. Revised abstracts will be available soon.

ECVP2005 Abstract




How age judgements increase by adding wrinkles to human faces
      J A Aznar-Casanova    
Departament de Psicologia Basica, Facultat de Psicologia, Universitat de Barcelona, Passeig de la Vall d’Hebron, 171, 08035-Barcelona, Spain
  jaznar2@ub.edu
 
      J Gabarre    
Student of the Universitat de Barcelona, Dept Psicologia Basica, Facultat de Psicologia, Spain
  
 
      A Maydeu    
Dept Evaluacion Personalidad y Tratamientos Psicologicos, Facultat de Psicologia,Universitat de Barcelona, Passeig de la Vall d'Hebron, 171, 08035 Barcelona, Spain
  amaydeu@ub.edu
 

Due to aging the human skin loses elasticity, appearing wrinkles on it. In an experiment we presented images of human faces and we asked respondents for an estimate of the faces’ age. Four types of wrinkles were manipulated on those faces: on the forehead (brow), ocular (crow’s feet), nasal (rictus), and under the mouth. The analysis of the psychophysical judgements about the age reveals that our age perception depends on the type of wrinkle, their number, and also on the depth of the furrows. Thus, wrinkles on the forehead and on the mouth produce a greater increase in the age judgements that those produced by ocular or nasal winkles. The depth of the furrows promotes also a significant increase of the estimate age. On the other hand, the effects induced by the wrinkles on the age judgements are not independent of the participants’ age. As the age of the participant decrease (from middle age to adolescence) the age assigned to the faces increases. Adolescents (12 years old) believe wrinkles appear roughly seven years before young adults (21 years old) do, and about nine before middle age adults (45 years old) do.

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Keywords:
face perception
psychophysics
age’s judgements
visual perception

Presentation:
Face perception 1
Poster: Thursday, 25 August 2005; 09:00-13:30  /  Attended: 10:30-11:30

 

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