Jason Armfield

The Flinders University of South Australia (now Australian Institute of Health, University of Adelaide)

Heiko Hecht

University of Bielefeld

Bem Allen

Western Illinois University

Kath Straub

Johns Hopkins University

Michael Birnbaum

Cal State Fullerton

Teenie Matlock

University of California, Santa Cruz

Valerie Descombes

McGill University

Wilma Choi

University of New South Wales

Look at a set of images, each contains 2 faces and point out the pair that has the same orientation.

Max-Planck Institute for Biological Cybernetics Ulrike Siebeck

Tübingen (Germany)

Joseph Forgas

University of New South Wales