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J Comp Physiol A Neuroethol Sens Neural Behav Physiol

Title:		Antennal and locomotor responses to attractive and aversive odors in the searching cockroach
Author(s):		Nishiyama K; Okada J; Toh Y;
Address:		"Department of Biology, Graduate School of Sciences, Kyushu University, Fukuoka, 812-8581, Japan"
Journal Title:		J Comp Physiol A Neuroethol Sens Neural Behav Physiol
Year:		2007
Volume:		20070703
Issue:		9
Page Number:		963 - 971
DOI:		10.1007/s00359-007-0249-3
ISSN/ISBN:		0340-7594 (Print) 0340-7594 (Linking)
Abstract:		"The behavioral responses to attractive and aversive odors were examined in blinded adult male cockroaches under tethered-walking conditions. A sex pheromone-like stimulant derived from adult virgin females and artificially synthesized limonene were used as attractive and aversive odor sources, respectively. When a searching animal was stimulated with the attractive female-derived odor, the horizontal deflections of both the antennae were increased, and in most cases the vertical antennal positions were shifted downward. The stimulation also significantly decreased the walking speed of the animal. These behavioral changes imply a careful search in the immediate surroundings. The aftereffect of the sex pheromone was more pronounced on locomotion than on antennal movement. On the other hand, stimulation with the aversive odor (limonene) tended to suppress active antennal movement, and also increased the walking speed. Immediately after the withdrawal of the aversive odor, the active movement of the antennae was resumed, and the walking speed rapidly decreased to a level approximately the same as that of the control period. These results indicate that the responses to the qualitatively opposite types of odor are reciprocal to each other with regard to both antennal movement and locomotion"
Keywords:		"Animals Cockroaches/*physiology Cyclohexenes Exploratory Behavior/physiology Female Limonene Locomotion/*physiology Male *Odorants Receptors, Odorant/physiology Sense Organs/physiology Sex Attractants/pharmacology Terpenes;"
Notes:		"MedlineNishiyama, Katsuhiro Okada, Jiro Toh, Yoshihiro eng Research Support, Non-U.S. Gov't Germany 2007/07/05 J Comp Physiol A Neuroethol Sens Neural Behav Physiol. 2007 Sep; 193(9):963-71. doi: 10.1007/s00359-007-0249-3. Epub 2007 Jul 3"