Assertion: perturbation's effect | /r/HasProperty | canceled by each other
Facets:
value: approximately
type: TEMPORAL
Source sentences:
text: Now that the direction of changes in and is the same (i.e., both decrease for positive volume perturbation but increase for negative volume perturbation) but their impact on PP is opposite (as indicated by opposite signs in sensitivity, see Figure 4(b)), it was observed that their effects were approximately canceled by each other.