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(ə-vûr′sĭv, -zĭv)
Causing avoidance of a thing, situation, or behavior by using an unpleasant or punishing stimulus, as in techniques of behavior modification.

a·ver′sive·ly adv.
a·ver′sive·ness n.
The American Heritage® Medical Dictionary Copyright © 2007, 2004 by Houghton Mifflin Company. Published by Houghton Mifflin Company. All rights reserved.


Denotes type of therapy using unpleasant stimuli that seeks to cause a patient to avoid one or more transgressive behaviors.
Medical Dictionary for the Health Professions and Nursing © Farlex 2012
References in periodicals archive ?
This controversy led me to further investigate the use of aversives for individuals with disabilities.
Second, I wanted to hear more about preservice teacher candidates' experiences and perspectives related to the use of aversives. I conducted a formal focus-group study with six preservice special-education teachers and six of their professors.
One Educator's Perspective on the Use of Punishment or Aversives: Advocating for Supportive and Protective Systems.
Anyone who has watched the police drama NCIS: Navel Criminal Investigative Service on the CBS network has witnessed aversive intervention (Bellisario, 2010).
Maybe there are environmental aversives; is it too warm or too cold in his crate?
What can behavior analysis learn from the aversives controversy?
Trumbull County Board of Education, 1995), an Ohio appeals court reversed the dismissal of a teacher who employed aversives on limited occasions, including applying hot sauce to curb the "pica" behavior of a child with multiple disabilities.
3 Consider fear issues: A temporary environmental aversive can create a negative association with the location where it occurs.
Are punishment based procedures aversive? Certainly the use of electric shock (Carr & Lovaas, 1983) or extraneous aversives, such as water mists or noxious smells (Bailey, 1983), might clearly be termed aversive, in the sense of causing discomfort to the individual.
Most positive trainers (including myself) are opposed to the use of aversives, which by definition inflict pain, discomfort, fear, and anxiety on the dog.
I'm not willing to risk the loss of relationship, the loss of trust, and the potential for aggressive behavior that can come with the use of strong aversives. Nor do I want to damage the willingness to offer behavior that can occur when strong aversives are used to suppress behavior.
Even a small amount of aversive things mixed into an otherwise very positive training program can poison a dog's willingness and interest in training.