Scott, I.M.L., Pound, N., Stephen, I.D., Penton-Voak, I.S. Does masculinity matter? The contribution of sex-typical appearance to male attractiveness in humans. PLoS ONE, 5, e13585 (PDF) (html)

Stephen, I.D., McKeegan, A.M. Lip colour affects perceived sex typicality and attractiveness of     human faces. Perception 39, 1104-1110 (PDF) (Abstract)

Coetzee, V., Chen, J., Perrett, D.I., Stephen, I.D. (2010) Deciphering faces: Quantifiable visual cues to weight. Perception 39, 51-61 (PDF) (Abstract)

Coetzee, V., Perrett, D.I., Stephen, I.D. (2009) Facial adiposity: a cue to health. Perception 38, 1700-1711 (PDF) (Abstract)

Stephen, I.D., Law Smith, M.J., Stirrat, M.R., Perrett, D.I. (2009) Facial skin colouration affects perceived health of human faces. International Journal of Primatology 30, 845-857 (PDF) (html)

Stephen, I.D., Coetzee, V., Law Smith, M.J., Perrett, D.I. (2009) Skin blood perfusion and oxygenation colour affect perceived human health. PLoS ONE 4:e508 (PDF) (html)