Article: article from journal or magazin.
A cost of long-term memory in Drosophila.
Two distinct forms of consolidated associative memory are known in Drosophila: long-term memory and so-called anesthesia-resistant memory. Long-term memory is more stable, but unlike anesthesia-resistant memory, its formation requires protein synthesis. We show that flies induced to form long-term memory become more susceptible to extreme stress (such as desiccation). In contrast, induction of anesthesia-resistant memory had no detectable effect on desiccation resistance. This finding may help to explain why evolution has maintained anesthesia-resistant memory as another form of consolidated memory, distinct from long-term memory.
Animals, Conditioning (Psychology), Drosophila Proteins/biosynthesis, Drosophila melanogaster/physiology, Evolution, Female, Male, Memory/physiology, Odors, Starvation, Water Deprivation
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