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Issue:ISSN 1000-7083
          CN 51-1193/Q
Director:Sichuan Association for Science and Technology
Sponsored by:Sichuan Society of Zoologists; Chengdu Giant Panda Breeding Research Foundation; Sichuan Association of Wildlife Conservation; Sichuan University
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Your Position :Home->Past Journals Catalog->2011 Vol.30 No.4

Study on Eliciting Inversus Spinal Bending Movements of Gekko gecko by Electrical Mesencephalon Stimulation
Author of the article:WANG Wen-bo1#, FAN Jia1,2#, CAI Lei1,2, DAI Zhen-dong1*
Author's Workplace:(1. Institute of Bio-inspired Structure and Surface Engineering, Nanjing University of Aeronautics and Astronautics, Nanjing 210016, China; 2. College of Mechanical and Electrical Engineering, Nanjing University of Aeronautics and Astronautics, Nanjing 210016, China)
Key Words:Gekko gecko; mesencephalon; ipsilateral spinal bending; contralateral spinal bending
Abstract:To thoroughly study the locomotion control function of Gekko gecko’s midbrain, 10 fixed head of G. gecko were used in electrical mesencephalon stimulation experiments. During the experiments, the animal’s mesencephalic areas were electrically stimulated via micro stainless steel electrodes and its responses during stimulation were observed. The results implied that locomotion responses such as spinal bending, limbs’ movements could be elicited in different depths of mesencephalon. As the change of stimulus depth at the same tract, locomotion response elicited may change. Some stimulation tracts elicited ipsilateral spinal bending in periaqueductal gray area while elicited contralateral spinal bending at ventral tegmentum. The approximate distribution areas of two kinds of nucleus that modulate inversus spinal bending movements were confirmed by histological analysis of stimulated mesencephalic region.
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