Compensation of Escape Direction in Unilaterally Cercus-ablated Crickets, Gryllus bimaculatus, is Associated with the Distance Walked during Recovery Period(Behavior Biology)
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概要
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In response to an air puff stimulus, intact crickets, Gryllus bimaculatus, make an escape almost 180° opposite to the stimulus source. In order to verify our previous hypothesis that a self-stimulation of the wind-sensory system is necessary for a compensational recovery of the escape direction (behavioral compensation) in unilaterally cercus-ablated crickets, we investigated the relationship between the conditions of rearing after a unilateral cercal ablation and the degree of behavioral compensation. A unilaterally cercus-ablated cricket reared in a large cage to permit free locomotion showed a significantly higher degree of recovery of escape direction compared with those reared under restrained conditions in a small glass vial. However, the degree of behavioral compensation in a cricket reared alone in a large cage was smaller than that of crickets reared in a cage of the same size with 5-6 other cercus-ablated crickets. Mutual stimulation possibly increased the extent of locomotion of crickets reared in a group and improved the degree of compensational recovery of the escape direction. To ascertain this, the distance a cricket moved during the recovery period was associated with the degree of compensational change of the escape direction. The result suggests that the degree of compensation of the escape direction clearly depended on the distance walked by the crickets. The compensation seemed not to be caused by other factors such as chemical ones in the case of group rearing because forced locomotion induced by touch stimulation on the body surface was solely effective in improving the escape direction.
- 社団法人日本動物学会の論文
- 2004-09-25
著者
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Kanou Masamichi
Department Of Biology And Earth Sciences Faculty Of Science Ehime University
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Kondoh Yusuke
Department Of Biology And Earth Sciences Faculty Of Science Ehime University
関連論文
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- COMPENSATIONAL RECOVERY OF THE ESCAPE DIRECTION AND THE FUNCTIONAL CHANGE OF CRICKET GIANT INTERNEURON(Physiology,Abstracts of papers presented at the 76^ Annual Meeting of the Zoological Society of Japan)
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- The Air-puff Evoked Escape Behavior of the Cricket Gryllus bimaculatus and its Compensational Recovery after Cercal Ablations(Behavior Biology)
- COMPENSATIONAL RECOVERY OF AN ESCAPE DIRECTION IN A UNILATERALLY CERCAL ABLATED CRICKETS AND THE AMOUNT OF LOCOMOTION DURING THE RECOVERY PERIOD(Physiology,Abstracts of papers presented at the 74^ Annual Meeting of the Zoological Society of Japan)
- Compensation of Escape Direction in Unilaterally Cercus-ablated Crickets, Gryllus bimaculatus, is Associated with the Distance Walked during Recovery Period(Behavior Biology)
- Rearing Conditions Required for Behavioral Compensation after Unilateral Cercal Ablation in the Cricket Gryllus bimaculatus(Behavior Biology)