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1 April 2002 Rearing Conditions Required for Behavioral Compensation after Unilateral Cercal Ablation in the Cricket Gryllus bimaculatus
Masamichi Kanou, Noriaki Teshima, Takashi Nagami
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Abstract

The rearing condition necessary for behavioral compensation after sensory deprivation was investigated in the cricket Gryllus bimaculatus. The right-cercus-ablated cricket was reared in a glass vial with a slightly larger diameter than the body length of the cricket. After two weeks of rearing in the vial, the air-puff-evoked escape behavior of the cricket was investigated. The response rate (relative occurrence of the escape behavior after a standard air puff) obtained was identical with that of crickets reared in a large cage. On the other hand, unlike crickets reared in a large cage, the distorted escape directional property of the cricket reared in the vial was not compensated at all. Control experiments proved that the restraint in the vial did not affect the motor system, and the air motion from environments was not essential for the compensational recovery of the escape direction. Therefore, the ablated crickets required spontaneous walking in order to compensate the directionality of their escape. A self-generated wind caused by spontaneous walking appears necessary for the crickets to realize the defect of their sensory system and to compensate the related escape behavior. A hypothesis for the compensation mechanism based on the efference copy signal is proposed.

Masamichi Kanou, Noriaki Teshima, and Takashi Nagami "Rearing Conditions Required for Behavioral Compensation after Unilateral Cercal Ablation in the Cricket Gryllus bimaculatus," Zoological Science 19(4), 403-409, (1 April 2002). https://doi.org/10.2108/zsj.19.403
Received: 6 November 2001; Accepted: 1 January 2002; Published: 1 April 2002
KEYWORDS
Behavioral compensation
cricket
escape behavior
Plasticity
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