Michael A Huffman Editor

Jean-Baptiste Leca is a postdoctoral research fellow and lecturer in the Department of Psychology, University of Lethbridge, Canada. His research explores the determinants of behavioural innovations and traditions, and the evolution of non-conceptive sexuality, including the motivational mechanisms underlying female-to-male mounting in Arashiyama Japanese macaques. Michael A. Huffman is an Associate Professor in the Department of Social Behaviour and Ecology at the Primate Research Institute, Kyoto University, Japan. His research on free-ranging and captive Japanese macaques encompasses sexual behaviour, reproductive physiology and energetics, enrichment, social learning, cultural behaviour, self-medication and parasite ecology. Paul L. Vasey is a Professor in the Department of Psychology at the University of Lethbridge. His research focuses on the development and evolution of non-conceptive sexuality from a cross-species and cross-cultural perspective. He has conducted research on sexual behaviour in free-ranging Japanese macaques at Arashiyama and on the captive subgroup in Montreal.