Dr. Patricia Costello Vision Sciences Society

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17 Νοε 2013 (πριν από 3 χρόνια και 10 μήνες)

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Dr. Patricia Costello

Vision Sciences Society

Sarasota, Fl

May 2007


The title and abstract: *Perception of Age in Human Faces: Upright
and Inverted Results *


*Abstract: *Faces convey a substantial amount of information about
their owners including em
otional state, gender, and age. Perception of
age plays an important role in how we interact socially with others.
Although face processing continues to be intensely researched, the
factors involved in the perception of age have been largely ignored. Any
t
heory of face recognition is incomplete without an understanding of age
perception since age is an important facial characteristic. This study
seeks to understand how people’s age and gender influence their age
judgment of an unknown face. Age estimation a
ccuracy was also
assessed for two different exposure times in order to determine how
much viewing time is needed to best estimate age. College age
participants viewed male and female faces ranging from 20 to 80 years
old for either 100ms or 1000ms and esti
mated how old each face was.
All participants also categorized the faces as “young” or “old” based on
their individual criteria. A second inverted condition was added for the
100ms exposure time in order to investigate a possible face inversion
effect in a
ge perception. In general, participants were more accurate for
their own age group and less accurate for older faces. Both males and
females were more accurate for male faces, but accuracy was high even
at 100ms exposures. Participants were more likely to
underestimate
older faces in the inverted compared to the upright condition. Male
participants considered females “old” after the age of 35, while females
considered both males and females “old” after about age 50. These
findings could be interpreted using

an evolutionary psychology
framework.