When Animals Have Experienced Inescapable Exposure to an Aversive Event

Multiple Choice

When animals have experienced inescapable exposure to an aversive event in the first training phase of a study, the negative effect of this treatment is reduced the most when

A) a backward CS is presented immediately after the aversive event is terminated.
B) a cessation CS is presented immediately before the aversive stimulus is terminated.
C) cessation and backward CS cues are presented with termination of the aversive stimulus.
D) backward CS cues are presented during exposure to the aversive stimulus.