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Basolateral Amygdala And Morphine-Induced Taste Avoidance In The Rat, Jamie Lovaglio, Jian-You Lin, Christopher T. Roman, Steve Reilly
Basolateral Amygdala And Morphine-Induced Taste Avoidance In The Rat, Jamie Lovaglio, Jian-You Lin, Christopher T. Roman, Steve Reilly
Christopher Roman
The present experiment examined the influence of excitotoxic lesions of the basolateral amygdala (BLA) on morphine-induced saccharin avoidance. Neurologically intact subjects rapidly learned to avoid drinking the taste conditioned stimulus (CS), an effect that was sustained throughout the experiment. Although the BLA-lesioned (BLAX) rats showed CS avoidance over the first few trials, the effect was not sustained. That is, by the end of the experiment, the BLAX rats were drinking the same amount of saccharin after seven saccharin-morphine trials as they did on the first trial (i.e., prior to the morphine injections). Potential interpretations of the results are discussed including …