Preface　　i
　　Shigeru Watanabe

Part I：　Biological Basis

　1　 Logic and Sensibility in Empathy: A Comparative View of Emotional 　　
　　　Responses to Emotional Expression in Conspecifics
　　　Shigeru Watanabe

　2　 Kea Logic ……

Shigeru Watanabe
Centre for Advanced Research on Logic and Sensibility, Keio University.
Department of Psychology, Keio University.

Mark O’Hara
Department of Cognitive Biology, University of Vienna, Austria.

Gyula K. Gajdon
Messerli Research Institute, University of Veterinary Medicine Vienna, Medical University of Vienna, University of Vienna, Austria.

Ludwig Huber
Department of Cognitive Biology, University of Vienna, Austria.
Messerli Research Institute, University of Veterinary Medicine Vienna, Medical University of Vienna, University of Vienna, Austria.

Tim Ruploh
Department of Behavioural Biology, University of Bielefeld, Germany.
Equal contributors.

Birte Schiffhauer
Department of Behavioural Biology, University of Bielefeld, Germany.
Equal contributors.

Hans-Joachim Bischof
Department of Behavioural Biology, University of Bielefeld, Germany.
Corresponding author.

Shozo Kojima
Centre for Advanced Research on Logic and Sensibility.
The Global Centers of Excellence Program, Keio University.

Zang-Hee Cho
Neuroscience Research Institute, Gachon University of Medicine and Science, Incheon, Republic of Korea.

Young-Don Son
Neuroscience Research Institute, Gachon University of Medicine and Science, Incheon, Republic of Korea.

Hang-Keun Kim
Neuroscience Research Institute, Gachon University of Medicine and Science, Incheon, Republic of Korea.

Eun-Jung Choi
Neuroscience Research Institute, Gachon University of Medicine and Science, Incheon, Republic of Korea.

Jeong-Hee Kim
Neuroscience Research Institute, Gachon University of Medicine and Science, Incheon, Republic of Korea.

Young-Bo Kim
Neuroscience Research Institute, Gachon University of Medicine and Science, Incheon, Republic of Korea.

Toru Shimizu
Department of Psychology, University of South Florida.

Allan Young
Departments of Social Studies of Medicine, Anthropology, and Psychiatry, McGill University.

Jun-ichi Yamamoto
Faculty of Letters, Keio University.

Mikimasa Omori
Graduate School of Human Relations, Keio University.
Japan Society for the Promotion of Science.

Yuji Itoh
Department of Psychology, Keio University.

Sacha Bourgeois-Gironde
Aix-Marseille University (Ceperc).
Institut Jean-Nicod (Ecole Normale Supérieure).

Juko Ando
Department of Letters, Keio University.

Junko Kitanaka
Department of Human Sciences, Keio University.

Dominique Lestel
Archives Husserl, Ecole normale supérieure, Paris.
Laboratoire d’Eco-anthropologie & Ethnobiologie, Muséum National d’Histoire Naturelle, Paris.

Hideaki Kawabata
Department of Psychology, Keio University.

Koichi Toyama
Department of Aesthetics and Science of Arts, Keio University.

Noburu Notomi
Faculty of Letters, Keio University.

Lajos L. Brons
Institute for Humanities and Social Sciences, Nihon University.
Center for Advanced Research on Logic and Sensibility (CARLS), Keio University.

Takashi Iida
Department of Philosophy, College of Humanities and Sciences, Nihon University.

Yael Sharvit
Department of Linguistics, UCLA.

Shai Cohen
Department of Computer Science, University of Haifa.