sensitization

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sensitization (sen-si-ty-zay-shŏn) n.
1. alteration of the responsiveness of the body to the presence of foreign substances. In the development of an allergy, an individual becomes sensitized to a particular allergen. The phenomena of sensitization are due to the production of antibodies.

2. (in behaviour therapy) a form of aversion therapy in which anxiety-producing stimuli are associated with the unwanted behaviour.

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