What did Blough (1957) demonstrate about bird vision?

Which of the following is an example of negative behavioral contrast?

“The ability of hooded crows to pass relational matching-to-sample (RMTS) tests suggests that they form emergent stimulus relations without explicit reinforcement.”

“Peak shift explains why individuals with body image distortions perceive their bodies as more extreme than they actually are.”

“Pigeons trained to recognize human images could also generalize the concept to new photos.”

What is adjunctive behavior?

How was stimulus fading used to teach a mute psychotic patient to speak (Sherman, 1965)?

“After errorless discrimination training, it is easy to reverse the roles of Sᴰ and SΔ.”

Which study demonstrated schedule-induced polydipsia in rats?

“In a conditional discrimination, responding to an Sᴰ depends on the presence of an additional stimulus that alters its function.”