Document Detail


Active tactile sensing for localization of objects by the cockroach antenna.
MedLine Citation:
PMID:  16450116     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
Antennal movement during tactile orientation behavior was examined three-dimensionally in American cockroaches during tethered walking. When a wooden rod was presented to the tip of one antenna in an upright orientation at one of the three different horizontal positions (30 degrees , 60 degrees , or 90 degrees from the center of the head), the animal touched it repeatedly with the antenna, and tried to approach it (positive thigmotaxis). Positional shifts were also observed for the contralateral unstimulated antenna. The ipsilateral antenna tended to touch the object during inward movement (adduction) at all three test angles. The cumulative turn angle made during a continuous test period of 24 s clearly depended on the object's position; however, the contact frequencies were almost the same regardless of the position. The relationships between contact frequency and some locomotion parameters were also investigated on a shorter time scale of 3 s. The contact frequency positively correlated with the turn angle, with the accuracy of orientation at all three test angles, and with the translation velocity at test angles of 30 degrees and 60 degrees . It is concluded that the performance during tactile orientation can be represented effectively by the frequency with which the antennae touch the attractive objects.
Authors:
Jiro Okada; Yoshihiro Toh
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Publication Detail:
Type:  Comparative Study; Journal Article; Research Support, Non-U.S. Gov't     Date:  2006-02-01
Journal Detail:
Title:  Journal of comparative physiology. A, Neuroethology, sensory, neural, and behavioral physiology     Volume:  192     ISSN:  0340-7594     ISO Abbreviation:  J. Comp. Physiol. A Neuroethol. Sens. Neural. Behav. Physiol.     Publication Date:  2006 Jul 
Date Detail:
Created Date:  2006-07-05     Completed Date:  2006-09-08     Revised Date:  2006-11-15    
Medline Journal Info:
Nlm Unique ID:  101141792     Medline TA:  J Comp Physiol A Neuroethol Sens Neural Behav Physiol     Country:  Germany    
Other Details:
Languages:  eng     Pagination:  715-26     Citation Subset:  IM    
Affiliation:
Department of Biology, Graduate School of Sciences, Kyushu University, 812-8581 Fukuoka, Japan. jokadscb@mbox.nc.kyushu-u.ac.jp
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MeSH Terms
Descriptor/Qualifier:
Animals
Behavior, Animal
Functional Laterality / physiology
Head Movements / physiology
Locomotion / physiology
Male
Models, Biological
Orientation / physiology
Periplaneta / physiology*
Sense Organs / innervation*,  physiology*
Space Perception / physiology*
Time Factors
Touch / physiology*

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine


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