nakajima@kwan$ei.ac.jp
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Sadahiko NAKAJIMA, Ph.D
Education
B.A., Department of Psychology, Sophia University, Japan, 1988
M.A., Department of Psychology, Keio University, Japan, 1990
(A.B.D., Department of Psychology, Keio University, Japan, 1993)
Ph.D., Department of Psychology, Keio University, Japan, 1995
Professor
Department of Integrated Psychological Science
Kwansei Gakuin University
Nishinomiya, 662-8501, JAPAN
Academic Position



Academic Membership
Research Interest
<1993-1995>
Postdoctral Fellow sponsored by the Japan Society for the Promotion of Science (JSPS)
Department of Psychology, Kwansei Gakuin University, Japan 

<1995-1997>
Visiting Scholar, Department of Psychology, University of Pennsylvania (JSPS Research Abroad Program)

<1997-2001>
Assistant Professor, Department of Psychology, Kwansei Gakuin University, Japan

<2001-2003>
Associate Professor, Department of Psychology, Kwansei Gakuin University, Japan

<2003-2009>
Associate Professor, Department of Integrated Psychological Science, Kwansei Gakuin University, Japan

<2007-2008> Visiting Scholar, School of Psychology, University of Sydney, Australia

<2009-Present>
Professor,  Department of Integrated Psychological Science, Kwansei Gakuin University, Japan

My major interest lies in psychological processes of learning and memory.
With typical laboratory animals such as rats and pigeons, I am doing experimental
research on how and what they learn and on the mechanism of behavioral expression.
Birth: 1965, Kochi City, Japan
Nakajima, S. (2003).The ¡ÆMiracle Poet¡Ç case: Japanese media fooled by the Doman method and
Facilitated Communication. Skeptical Inquirer, 27(3), 12-13.
Nakajima, S., Arimitsu, K., & Lattal, K. M. (2002). Estimation of animal intelligence by university
students in Japan and the United States. Anthrozoös, 15, 194-205.



Japanese Psychological Association
Japanese Psychonomic Society
Japanese Society for Animal Psychology
 (editorial board member)
Japanese Association for Behavior Analysis
 (executive board member; editorial board member)
Society for the Studies of Human Animal Relations, Japan
 (executive board member; editorial board member) 
Japan Ethological Society
Japanese Society for Applied Animal Behaviour

American Psychological Association
 (international affiliate)
Association for Psychological Science
Psychonomic Society
Pavlovian Society
Association for Behavior Analysis
International Society for Comparative Psychology
 (editorial board member)
My representative publication in this field is ...
Another area of my research is "human-animal relations."
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Nakajima, S., & Sato, M. (1993). Removal of an obstacle: Problem-solving behavior in pigeons.
Journal of the Experimental Analysis of Behavior, 59, 131-145.
Nakajima, S. (1994). Contextual control of Pavlovian feature-positive and feature-negative
discriminations. Animal Learning & Behavior, 22, 34-46.
Nakajima, S., & Kitaguchi, K. (1996). Signaled reinforcement effects on fixed-interval
performance of the rat. Animal Learning & Behavior, 24, 183-192.
Nakajima, S. (1997). Transfer testing after serial feature-ambiguous discrimination in Pavlovian
keypeck conditioning. Animal Learning & Behavior, 25, 413-426.
Nakajima, S. (1997). A way to install conditioned modulation in the Rescorla-Wagner axiom:
The amplifier model of Pavlovian conditioning (AMP). Integrative Physiological and Behavioral
Science, 32
, 305-321.
Nakajima, S. (1998). Further investigation of responding elicited by BC and C after
A+, AB-, ABC+ training. Quarterly Journal of Experimental Psychology, 51B, 289-300.
Nakajima, S., Ka, H., & Imada, H. (1999). Summation of overshadowing and latent inhibition
in rats¡Ç conditioned taste aversion: Scapegoat technique works for familiar meals.
Appetite, 33, 299-307.
Nakajima, S. (2001). Failure of hierarchical conditional rule learning in the pigeon
(Columba livia). Animal Cognition, 4, 221-226.
Nakajima, S., Urushihara, K., & Masaki, T. (2002). Renewal of operant performance formerly
eliminated by omission or noncontingency training upon return to the acquisition context.
Learning and Motivation, 33, 510-525.
Nakajima, S., & Masaki, T. (2004). Taste aversion learning induced by forced swimming in rats.
Physiology & Behavior, 80, 623-628.
Nakajima, S. (2004). Associative learning in animals: A selective review of recent topics
and contribution of Japanese researchers. Japanese Psychological Research, 46, 141-153.
Nakajima, S., & Onimaru, S. (2005). Salt discrimination in domestic pigeons (Columba livia domestica):
Poisonous LiCl solution versus equimolar safe NaCl solution. Journal of Ethology, 24, 59-65.
Nakajima, S., Urata, T., & Ogawa, Y. (2006). Familiarization and cross-familiarization of wheel running
and LiCl in conditioned taste aversion. Physiology & Behavior, 88, 1-11.
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I also served as chair of the psychology committee of the Japan Skeptics.
Some of my articles in this field are ...
My representative publication in this field is ...
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