Programme  Titles  Presenters  Topics  Proffered papers - Cogniton & communication: Memory and perception Tuesday 5th August, 16:00-18:00 Carrick 396 AUDIO-VISUAL CROSSMODAL IDENTIFICATION IN CHIMPANZEES L Martinez*, T. Matsuzawa Primate Research Institute Kyoto University, Japan 397 THE MUELLER-LYERSCHE AND THE EBBINGHAUS ILLUSION IN CHIMPANZEES, BONOBOS AND ORANGUTANS Daniel Hanus*, Josep Call Max Planck Institute for evolutionary Anthropology, Germany 398 TRADE-OFF THEORY OF MEMORY AND SYMBOLIZATION IN HUMANS AND CHIMPANZEES T. Matsuzawa*, S. Inoue Primate Research Institute Kyoto university, Japan 399 SPATIAL MEMORY IN CHIMPANZEES: SINGLE-TRIAL LEARNING, 24-HOUR AND 3-MONTH LONG TERM MEMORY N. Mendes*, J. Call Max Planck Institute for Evolutionary Anthropology, Germany 400 KEEPING TRACK OF TIME: EVIDENCE FOR EPISODIC-LIKE MEMORY IN APES G. Martin-Ordas*1, D. Haun2, F. Colmenares3, J. Call1 1Max Planck Institute, Germany, 2Department of Psychology University of Portsmouth, United Kingdom, 33Departamento de Psicobiología, Universidad Complutense de Madrid, Spain 401 WORKING MEMORY OF NUMERALS IN HUMANS AND CHIMPANZEES S. INOUE*, T. MATSUZAWA Primate Research Institute of Kyoto University, Japan