Leyre Castro received her Ph.D. from the University of Deusto (Bilbao, Spain). She began her research in experimental psychology studying the associative basis of causal learning in humans. She has published studies on causal learning, categorization, attention, same-different discrimination, memory, metacognition, unsupervised learning, figure-ground perception, task switching and cognitive flexibility, with both humans and pigeons. She is interested in the similarities and differences among species at behavioral, neural, and computational levels.