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(A) Neither in CantonS nor in rsh1 (N = 21 and N = 35) a correlation is found between chain length on one side and subsequent number of responses to the other side (and no responses). (B) After a chain of responses to one side, the number of displacements it takes the fly to return with its response polarity to that side, does not depend upon duration of ITIs. Error bars are SEMs (*P < 0.05, **P < 0.01, ***P < 0.001).
