ABSTRACT

As humans grow older, their faces also undergo transformation. Early in

development, craniofacial growth results in global changes in shape (which

can be described mathematically by a so-called cardioid function; see, e.g.,

Please address all correspondence to Holger Wiese, DFG Research Unit Person Perception,

Institute of Psychology, Friedrich Schiller University of Jena,Am Steiger 3/1, 07743 Jena,

Germany. E-mail: holger.wiese@uni-jena.de

The authors’ work relating to this paper has been supported by grants of the Deutsche

Forschungsgemeinschaft (DFG; SCHW 511/8-1, WI 3219/4-1, WI 3219/5-2). We gratefully

acknowledge contributions by Carolin S. Altmann, who created the average faces in Figure 1,

and Franziska Krahmer for help with the preparation of Figure 3. We thank Dr. Romi Za¨ske for

providing the individual face stimuli in Figure 1, and two anonymous reviewers for their helpful

comments on an earlier version of the manuscript.