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Chemical Senses Advance Access published online on December 6, 2006
Chemical Senses, doi:10.1093/chemse/bjl046
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© The Author 2006. Published by Oxford University Press. All rights reserved. For permissions, please e-mail: journals.permissions@oxfordjournals.org

Olfactory Performance of Rats after Selective Deafferentation of the Olfactory Bulb by 3-Methyl Indole

Burton Slotnick

Department of Psychology, University of South Florida, Tampa, FL, USA

Correspondence to be sent to: Burton Slotnick, Department of Psychology, University of South Florida, Tampa, FL 33620, USA. e-mail: slotnic{at}american.edu


  Abstract

Rats trained to detect propyl acetate and valeric acid and to discriminate between propyl acetate and amyl acetate and between valeric acid and butyric acid were injected with a low dose of 3-methyl indole, a treatment that produces well-defined and selective deafferentation of the olfactory bulbs. Treatment completely deafferented most but not all bulbar loci for aliphatic acids and at least disrupted those for propyl and amyl acetate. In posttreatment tests, experimental rats performed somewhat but not significantly more poorly than controls and about as well on the acid detection and discrimination tasks as on the corresponding acetate tests.

Key words: axonal transport, glomerular deafferentation, 3-methyl indole, odor detection, olfactory bulb, odor discrimination


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