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The behavioral responses of adult Drosophila fruit flies to a variety of sensory stimuli--light, volatile and non-volatile chemicals, temperature, humidity, gravity, and sound--have been measured by others previously. Some of those assays are rather complex; a review of them is presented in the Discussion. Our objective here has been to find out how to(More)
These may have a defect in interaction with stimuli or in executive function. ABSTRACT Adult Drosophila melanogaster fruit flies were placed into one end of a tube near to repellents (benzaldehyde and heat) and away from the other end containing attractants (light and a favored temperature). They escaped from the repellents and went to the attractants.(More)
When presented with attractant (light) together with an amount of repellent (methyl eugenol) that exceeds attractant, Drosophila melanogaster fruit flies are of course repelled, but nine mutants have now been isolated that were not repelled. Although able to respond to attractant alone and to repellent alone, these mutants fail to make a decision when the(More)
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