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Science 24 October 1980:
Vol. 210. no. 4468, pp. 443 - 445
DOI: 10.1126/science.210.4468.443
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Articles

Flight Activity Initiated via Giant Interneurons of the Cockroach: Evidence for Bifunctional Trigger Interneurons

ROY E. RITZMANN 1, MARTHA L. TOBIAS 1, and CHARLES R. FOURTNER 2

1 Department of Biology, Case Western Reserve University, Cleveland, Ohio 44106
2 Department of Biology, State University of New York, Buffalo 14214

Activity in dorsal giant interneurons of the cockroach initiates flight movements if leg contact with a substrate is prevented. The same interneurons initiate activity associated with running when leg contact is maintained. Thus, which one of two completely different behaviors the giant interneurons evoke depends on the presence or absence of leg contact.

Submitted on April 29, 1980
Revised on June 19, 1980


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Science. ISSN 0036-8075 (print), 1095-9203 (online)