Effects of baclofen on feeding behaviour examined in the runway

Suzanne Higgs, David Barber

Research output: Contribution to journalArticle

32 Citations (Scopus)


The motivational mechanisms underlying the effects of systemic administration of the GABA-B agonist baclofen on feeding were examined using a runway. Food-deprived male hooded Lister rats were trained to traverse a runway for food reinforcement. Baclofen (1 mg/kg i.p.) significantly increased food intake and this was most evident on the final two blocks of testing. The 2 mg/kg dose of baclofen increased running speed without significantly altering intake. At the highest dose tested (4 mg/kg), no significant effects on either consummatory or appetitive measures were observed. These data suggest that low doses of baclofen enhance the consummatory phase of ingestion by attenuating the natural signals associated with onset of satiation. The data also suggest that baclofen has complex effects on appetitive behaviour that may interfere with its effects on consumption.
Original languageEnglish
Pages (from-to)405-408
Number of pages4
JournalProgress in Neuro-Psychopharmacology and Biological Psychiatry
Publication statusPublished - 1 Jan 2004


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