Document Detail


Nomographic correspondence between specialist cell responses, electroantennograms and the probability of behavioral response: the importance of comparable stimuli and a benchmark.
MedLine Citation:
PMID:  11033164     Owner:  NLM     Status:  Publisher    
Abstract/OtherAbstract:
Responses from single receptor cells, electroantennograms (EAGs) and the proportion of upwind flight in a wind tunnel elicited by graded stimulus strengths of (Z)-7-dodecenyl acetate (Z7-12:Ac) were measured from male cabbage loopers, Trichoplusia ni (Hübner). The approach that was taken to illustrate the relationship between these three measures on the same scale was to express the airborne stimulus strength for all three measures in molar units. A collateral discovery was finding a linear relationship between spiking activity in the receptor cells and the proportion of the first two stages of upwind flight behavior.Two validations corroborate the approach. The first of these demonstrates that, with only three exceptions, there is agreement between behavioral and electrophysiological measures from several laboratories. At the same time, there is a demonstration highlighting the importance of the use of a stimulus benchmark in establishing the relevancy of an experimental stimulus strength to a natural context. The second validation shows that both electrophysiological and behavioral data can be used to estimate the same emission rate of Z7-12:Ac at low dosages from filter paper.
Authors:
Mayer
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Publication Detail:
Type:  JOURNAL ARTICLE    
Journal Detail:
Title:  Journal of insect physiology     Volume:  47     ISSN:  1879-1611     ISO Abbreviation:  J. Insect Physiol.     Publication Date:  2001 Jan 
Date Detail:
Created Date:  2000-10-16     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  2985080R     Medline TA:  J Insect Physiol     Country:  -    
Other Details:
Languages:  ENG     Pagination:  19-29     Citation Subset:  -    
Affiliation:
Center for Medical, Agricultural and Veterinary Entomology, Agricultural Research Service, US Department of Agriculture, PO Box 14565, 32604, Gainesville, FL, USA
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