Journal
ROBOTICS AND AUTONOMOUS SYSTEMS
Volume 60, Issue 5, Pages 722-728Publisher
ELSEVIER
DOI: 10.1016/j.robot.2011.06.010
Keywords
Animal behavior; Synthetic neuroethology; Long-term memory; Neuromodulator; Serotonin hypothesis
Funding
- Japanese Ministry of Education, Culture, Sports, Science and Technology
- Japan Society for the Promotion of Science
- Grants-in-Aid for Scientific Research [23300113, 10J07938] Funding Source: KAKEN
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It is thought that the adjustment of intraspecific aggression is an essential factor in the development of a social structure. To understand the natural laws for organizing the social structure, we focus on the fighting behavior of crickets, Gryllus bimaculatus, and investigate the neuronal mechanisms to adjust aggressiveness associated with a neuromodulatory biological amine: serotonin (5-HT). In this paper, we present a working theory of a neurophysiological mechanism based on the past biological studies on the 5-HT hypothesis, and a mathematical model of the mechanism. We analyzed this model and concluded that this neurophysiological mechanism makes the forgetting process slower. Next, we fitted our theoretical forgetting curve to an experimental curve and estimated the parameters of our model. These estimated values were in agreement with common belief in biological science. (C) 2011 Elsevier B.V. All rights reserved.
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