31. In other words, this aversive reaction to realism can be said to be evolutionary in origin. 32. An aversive is anything that the dog does not like, such as a tight choke chain. 33. In an fMRI study of DPD patients, emotionally aversive scenes activated the right ventral prefrontal cortex. 34. Nevertheless, not all behavioral therapies involved the use of aversives prior to the mid-1980s. 35. A wide variety of empirical research supports the effects of nonconscious prejudice on aversive racists'behavior. 36. However, humans can still have involuntary, physiological responses to odors, both attractive and aversive . 37. We think people with a reduced ability to remove nicotine are tipped toward finding it even more aversive . 38. In Whitefish, they're trying aversive -conditioning modification to teach grizzly bears to fear humans. 39. Fear conditioning, which is when a neutral stimulus acquires aversive properties, occurs within the right hemisphere. 40. This causes interference, which in turn causes abnormal reactions to aversive stimuli in those with panic disorders.