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double dissociation
double dissociation A double dissociation is a pattern in which two related abilities can be disrupted separately, so that one manipulation mainly impairs the first ability while a different manipulation mainly impairs the second.
A double dissociation is a pattern in which two related abilities can be disrupted separately, so that one manipulation mainly impairs the first ability while a different manipulation mainly impairs the second. In psychology, this kind of finding is used to show that the two functions depend on partly independent processes rather than a single shared one.